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ACEN Corp. has completed the divestment of an initial 10% voting interest in Tejorupa Renewables India Project Private Ltd. as part of its proposed sale of up to 49% of the Indian solar project company.
In a regulatory filing on Thursday, ACEN said Diamond India Renewables One B.V. (DIRO) acquired the initial 10% interest after all relevant conditions under the securities subscription and purchase agreement had been satisfied. The transaction closed on Sept. 23.
The transaction follows ACEN’s June 12 disclosure on the proposed divestment of up to 49% of Tejorupa.
Tejorupa is developing a 250-megawatt (MW) solar utility project in Rajasthan, India.
The transaction involves ACEN units Unlimited Renewables Holdings B.V. (URH) and Amsa Solar Holdco Pte. Ltd., which earlier signed a securities subscription and purchase agreement and a shareholders’ agreement with DIRO.
ACEN is also planning to divest stakes of up to 49% in projects with capacities of 100 MW and 20 MW in Karnataka.
As of September 2026, India accounted for 20% of ACEN’s net attributable capacity across its international operations. The company operates three solar projects in India with a combined capacity of 630 MW.
Earlier this year, ACEN assumed full ownership of Singapore-based URH, which is developing three projects across Rajasthan and Karnataka with a combined capacity of 1,059 MW.
Across its markets, ACEN has 7.5 gigawatts (GW) of attributable renewable energy capacity from projects in operation, under construction, and covered by signed agreements.
The company has operations and projects in the Philippines, Australia, Vietnam, India, Indonesia, Laos, and the United States.
For the six months ended June, ACEN’s attributable net income rose more than fivefold to P3.9 billion, while revenue increased by 47.1% to P23.13 billion from P15.72 billion a year earlier.
ACEN shares fell by 1.47% to P2.69 apiece on Thursday. — Sheldeen Joy Talavera

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We already have the ability to move through whole countries via Google Street View. Video games like Grand Theft Auto let you walk the streets of complex cities and their surroundings. Maybe a solar land analysis tool will do the same one day?
While you can’t do it on a PlayStation, Glint Solar does have a goal of giving you the ability to explore whole states at once, but in a locally precise, and responsible solar manner. Glint Solar CEO Simen Fure Jørgensen told pv magazine USA, “With interconnection queue withdrawal rates approaching 80%, developers need to move from quantity to quality.”
The company says, one reason developers must be more disciplined is that with interconnection queues growing unabated, utilities and system operators have begun to clamp down on applications requiring big down payments, or other requirements. For instance, system operator PJM, which only recently opened their grid for new power generation resources, now requires 100% site control to get into the queue. Glint Solar notes that MISO increases the fee it charges for withdrawing from its interconnection queue the longer you wait – making queue squatting increasingly expensive.
Jørgensen noted that with grid operators are now looking at projects that are “first ready” instead of “first in line.”
In practice, “first ready” means land and deposits to grid operators like PJM and MISO. Technically, zoning is not on the checklist, but the penalties for failing it later are now large enough that some developers treat it as if it were. This means, developers are going to include these variables in their funding requirements.
This is where the ultra-local land screening process becomes most valuable, because local zoning is where the hard decisions happen.
The company, so far, has made their tool available in Illinois, New York, Pennsylvania, Maryland, and Texas. Other states are coming soon.
Glint Solar’s workflow starts with choosing the state. Then you go through the list of variables to screen the state’s parcels. Some of the screening variables include proximity to grid infrastructure and hosting capacity, buildable solar area, protection zones, wetlands, zoning, distance to key infrastructure, and detailed topography. To help with consistency, you can save your screening profile.
The company jokes that you should get a coffee once you set their computers to begin your customized search.
Source: Glint Solar
As the tool finds parcels that fit your highest-level requirement, it also solves for the amount of space available. The Buildable Area tool will make sure to bring back parcels that meet your minimum sizing needs.
Jørgensen said of the Buildable Area tool:
BLOCKQUOTE INDENT: The buildable area logic is core. We start using it in the land survey process. The land survey picks out the parcels based on the buildable area inside of each. It is already marked out at the beginning of the survey process, and you can do a design right away. So you can quickly go from searching the state to maybe ten minutes then a couple of minutes are already a preliminary design.
A second complementary tool, called Area Insights, gives the developer a heads up on items that may endanger a project. Combined, these should offer the developer support in either choosing the specific, individualized parcels to go after, or going after the whole list in a broad direct mail campaign.
Another tool aimed explicitly at the zoning process is called “Beautify”. Essentially, it gives the developer an opportunity, early in the development process, to show what the finished site might look like from the perspective of neighbors. Specifically, one function is that trees can be added in between a residence and a project to manage viewshed concerns.
Source: Glint Solar
A key item regarding batteries that the tool offers is noise analysis. Glint Solar showed how its tool can nearly instantaneously come up with a noise map for a battery, and then show how the noise can be mitigated by a tactically placed wall.
The company also has additional tools in development. Glint Grid will give greater insight into the headroom at local substations, as well the connection interconnection queue that is in line at that substation.
Jørgensen notes, ““Basically, we’re giving developers the ability to do their own powerflow analysis, with their own covert information, maybe even helping their analysis that they can put into the machine.”
A second tool coming soon will be Glint Radar, which will focus on the local temperature by analyzing things such as town meeting notes. In particular, the Glint Solar says this tool will be actively following the areas you’re working in. If something negative happens after you pick the site, but before you finish construction, it will let you know.
Glint Solar noted a developer that had bought a project, but in the interim, the local town had put a moratorium in place.
Last, and possibly being launched this week, is an upgraded Beautify feature that allows for better tree placement.
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A parcel of about 54.2 acres at Falta Industrial Park now belongs to Websol Energy System, an India-based solar cell and module manufacturer. The West Bengal government allotted the land for a greenfield manufacturing facility. Plans there call for 4 GW of solar cells and 4 GW of solar modules. Construction is to run in two phases of 2 GW each. Its existing plant sits nearby in the Falta Special Economic Zone. That plant runs 1.2 GW of cells and 550 MW of modules today. Staying close gives the company skilled manpower and suppliers it already knows. As per the release, Websol is one of 14 ALMM-approved cell makers in India and the only one based in the east.
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“Although I had to sue Tesla to get anything done, at least there was a company to sue.”
Photo Credit: Getty Images
For one homeowner weighing solar panels and battery storage, the deciding factor was not flashy technology or top-rated service. 
In a Reddit discussion about Tesla‘s solar panel offerings, the homeowner said the choice came down to a long-term concern: whether the installing company would still be around if a warranty issue arose years later.
They took to r/TeslaSolar to discuss why they chose Tesla Energy over other solar panel providers.
“I’d rather have average customer service than no customer service at all,” the original poster said, noting Tesla came out ahead because 4,000 to 10,000 solar firms had disappeared over the last two decades.
The replies included both skepticism and reluctant agreement. After one commenter responded, “Thanks, Tesla employee!” the OP wrote, “I am not an employee or influencer or any associate and do not get anything for that. It is just my personal experience thus far.” 
Another commenter stated, “Although I had to sue Tesla to get anything done, at least there was a company to sue.”
Reddit users also pointed to savings. One said Tesla was “by far the least expensive non-DIY option.” Another wrote that Tesla was “$10k cheaper than the closest competitor” on the battery portion of a project. And a third person noted a different company wanted $42,000 for two Powerwalls, while Tesla quoted $32,000 for two Powerwalls plus 12 solar panels.
Hardware specifications are important, but because solar panels and batteries are investments that are often backed by warranties, buyers may care about whether an installer or manufacturer will still be in business years later.
FROM OUR PARTNER
Want to go solar but not sure who to trust? EnergySage has your back with free and transparent quotes from fully vetted providers in your area.
To get started, just answer a few questions about your home — no phone number required. Within a day or two, EnergySage will email you the best options for your needs, and their expert advisers can help you compare quotes and pick a winner.
Solar panels can save you more than $50k over their 25-year lifespan, and EnergySage can help you save as much as $10k on installation. Which begs the question — isn’t that worth an email or two?
It can still be quite difficult to understand which companies and installers are reputable and worth working with. If you’re comparing backup power options, it may be worth exploring EnergySage to get information about home battery storage options, including competitive installation estimates. EnergySage has also teamed up with the electrification brand Qmerit to guarantee you get the best price on home battery storage solutions.
Another option is Pila, which offers plug-and-play batteries priced at a fraction of what whole-home backup systems cost.
EnergySage can also help homeowners go solar with free tools that let you curate competitive bids from local installers without giving out your contact information unless you decide to move forward. Those who use the company’s tools can save up to $10,000 on a solar installation.
Get TCD’s free newsletters for easy tips, smart advice, and a chance to earn $5,000 toward home upgrades. To see more stories like this one, change your Google preferences here.
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Can you put a plug-in solar panel on a wooden garden shed? The answer is yes, but you need to know exactly what type of material your garden shed is made from before you do so because otherwise plug-in solar might not be suitable.
The most important thing is not to put your plug-in solar panel on wood, particular timer. Why shouldn’t a plug-in solar panel be put on timber wood? Because the inverters can potentially overheat, which causes a fire risk.
According to garden shed expert, Sam Jenkinson, from garden building retailer Tiger, while plug-in solar panels are a really exciting piece of technology, they shouldn’t be installed on a wooden, particularly timber, surface.
“While sheds can seem like a good location for plug-in panels, particularly if the roof gets plenty of direct sunlight, homeowners need to check the small print first,” Jenkinson told The Eco Experts.
The new rules that came on in the 27th August allowing plug-in solar panels contained specific condition that means they cannot be installed on a wooden wall, balcony or enclosure, or on a timber-clad part of the exterior of the dwellinghouse.
“As the vast majority of UK garden sheds are timber-built, this could rule out a straightforward installation for many households, even where the roof and sunlight would otherwise be perfect,” Jenkinson said.
“Unlike traditional rooftop solar, compliant plug-in systems don’t require the same level of professional installation,” Jenkinson said.
While this makes solar more accessible, households should still consult with a qualified electrician if they have older wiring or need a suitable outdoor socket installed first.
Plug-in solar panels have huge potential to cut energy bills. With each kit producing up to 800W, plug-in solar could provide up to a fifth of an average household’s electricity use, and could save households up to £110 a year, with kits priced at around £400-£500 depending on capacity.
Households in Germany, Europe’s leading market for plug-in solar panels, have had huge success installing them on balconies since the law changed to make them more accessible in 2024.
Such has been the success that by the end of 2025, more than one million households have installed plug-in solar panels and by 2045 roughly 5% of Germany’s domestic energy generation could be accounted for by plug-in solar.
However, there is a big difference between the UK and Germany and that’s mainly down to where people live. As many as 61% of the German population live in flats, whereas in the UK that figure is about 21%.
But that doesn’t diminish the UK’s potential for plug-in solar because, as has been pointed out by experts, households here usually have more space, which means more room for the panels.
That includes gardens, garages, and also sheds.
“This is a really exciting area for cleaner energy, but as with any new product, suitability comes down to the individual building, its construction, its intended use, and what the specific product actually requires,” Jenkinson explained.
“As these products are still relatively new, it’s worth speaking to the relevant supplier directly to understand what’s right for your situation.”
“Before installing anything, check the direction of the shed roof and how much shade it receives from nearby trees and buildings. You should also inspect the shed itself, ensuring the structure is in good condition and the roof is strong enough to carry the additional weight.”
“You’ll also need a suitable mains socket to safely plug the solar panel into. The cable run should be short and safe, without extension leads stretching across the garden.”
“Once installed, each system must be registered with your local Distribution Network Operator. It’s also important to check whether you need permission from your landlord, freeholder or your local council before installing.”

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Max joined The Eco Experts as content manager in February 2024 and became deputy editor in 2025. He has written about sustainability issues across numerous industries, including maritime, supply chain, finance, mining, and retail. He has also written extensively for consumer titles like City AM, The Morning Star, and The Daily Express.
He has represented The Eco Experts on national television several times, including the BBC’s Sunday Morning Live and ITV Tonight .
In 2020, he covered in detail the International Maritime Organisation’s (IMO) legislation on sulphur emissions and its effects on the global container shipping market as online editor of Port Technology International.
He also explored the initiatives major container ports and terminals have launched in order to ship vital goods across the world without polluting the environment.
Since then, he has reported heavily on the impact made by environmental, social, and governance (ESG) practices on the supply chain of minerals, with a particular focus on rare earth mining in Africa.
As part of this, in 2022 Max visited mines and ports in Angola to hone in on the challenges being faced by one of the world’s biggest producers of rare earth minerals.
His most recent sustainability-related work came much closer to home, as he investigated the eco-challenges faced by independent retailers in the UK, specifically looking at how they can cut emissions and continue to thrive.
Max lives in South London and is an avid reader of books on modern history. He has also recently learned to play the game Mahjong and takes every opportunity to do so. He is also yet to find a sport he doesn’t enjoy watching.
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A robot positions solar cells at a module production line in Hefei, Anhui province (Image: Cynthia Lee / Alamy)
Eleanor Randolph
September 24, 2026September 24, 2026
In July, China’s solar power generation capacity surpassed coal for the first time. Yet this historic milestone coincided with more than two years of widespread financial losses, layoffs, and incessant controversy surrounding cutthroat competition within the industry.
Data from 2026 interim reports reveals a widespread contraction in revenue across the solar photovoltaic (PV) industry during the first half of the year. In 2025, over 70% of leading companies had fallen into the red, and more than 50 firms declared bankruptcy.
Between 2024 and 2025, China’s top 110 listed PV firms laid off 222,800 employees; that excludes many of the small- to medium-sized firms being squeezed out of an overcrowded industry.
The workforce reductions follow two years of net losses for Chinese solar firms, spurred by an industry-wide supply glut that sent module spot prices plunging by over 50%.
But the layoffs also reveal how China’s solar industry is remaking itself: by consolidating – through mergers, bankruptcies and capacity retirements; and also by automating production, ending overexpansion and shifting workers from factory floors to sales and advanced products. 
China’s PV industry created 4.6 million jobs in 2023, according to the International Renewable Energy Agency. This expansion came to an abrupt end in 2024, when firms shed 140,000 jobs. Layoffs continued in 2025, with annual reports for China’s top 110 listed firms identifying another 68,255 job cuts. Beyond official layoffs, PV firms are embracing a variety of tactics to curb production and “optimise” labour costs.
In December 2025, a solar factory in Anhui issued a five-month holiday. Shortly afterwards, the company posted a severance offer for voluntary resignations. Forced production pauses for “holidays” were common in 2024, but have been getting longer in the past year.
Firms are also struggling to pay wages. More than half of firms cut wages at all levels in 2025, and reports of company-wide salary cuts continued this year. For factory employees, this often means pay drops below minimum wage, with ripple effects on local economies.
These tactics are designed to encourage voluntary resignations. Coraline Goron of Duke Kunshan University cautioned against interpreting such tactics as purely exploitative, as they are often used by firms that can neither afford to pay wages nor lay off staff.
The tactics obscure the true extent of unemployment in China’s solar industry. Some estimates suggest de facto layoffs may bring the total to 200,000 job cuts in 2024 alone. 
This is not the first oversupply crisis faced by China’s solar industry. As the 2008 financial crisis reduced European demand, local governments expanded subsidies for solar firms, creating a glut of exported panels. The EU and the US responded with anti-dumping duties in 2012, sharply curtailing demand for Chinese solar products as supply was ramping up.
Chinese solar firms faced another shock in 2018. Concerned about looming excess capacity, the central government abruptly ended subsidies for new solar projects in May. Demand for solar modules plummeted overnight, but the downturn proved short-lived, and new policies promoting solar over coal power revived the industry in 2019.
The industry entered another boom in 2020 after Xi Jinping announced national goals to peak carbon emissions and bring them down to zero. Included was a target of 1,200 gigawatts (GW) of installed solar and wind capacity by 2030. This spurred a rush of new Chinese solar firms, many subsidised by local governments hoping to capitalise on a growing industry. 
By 2023, China had 600,000 registered PV firms, with 22.4% founded in 2022 alone.
Solar factories operating at 54% capacity produced more modules than markets could absorb by 2024. Global PV production capacity in 2025 exceeded 1,100 GW, almost double global installations of 570-630 GW. The excess production capacity sank module prices to 1 yuan (about USD 0.14) per watt, below production costs, necessitating the current cuts.
While such challenges are familiar territory for Chinese solar firms, Wang Bohua, honorary chairman of the China Photovoltaic Association, warns that current losses far exceed any previous cycle.
For firms losing money on every panel sold, labour cost reductions are a survival tactic, and restructuring is necessary to cut the bloat accumulated during years of unchecked expansion.
Even as the industry gradually steadies, manufacturing jobs are unlikely to return as automation fundamentally shifts how, or by whom, solar panels are made.
Automated production lines, including fully automated “lights-out factories” requiring no or few human staff, are spreading rapidly across the industry. Solar manufacturing is relatively easy to automate, says Cosimo Reis of Trivium China, and companies that do not switch to robotic production lines and AI systems will struggle to compete. As early as 2024, 90% of production at solar giant LONGi’s factory in Jiaxing was automated, a process that only took nine months. Since automation, production cycles at the factory have shortened 84%, while output has increased 35% per hour.
Even if competition eases and prices rise, production line jobs are unlikely to recover. The solar industry is shifting toward fewer, more skilled workers overseeing automated systems. The future of China’s renewable energy industry will be high-tech, but not labour-intensive.
Layoff trends show firms are shifting their focus from production to sales, advanced products, and downstream services. Factory floors were hit hardest by the layoffs, with 75% of production jobs impacted. LONGi laid off more than half of production staff. Technical and administrative staff were also heavily impacted, and 2025 saw job losses extend to managerial positions. Sales teams were one of the few areas of continued job growth as companies focused on moving products off shelves.
Inverter firms were one of the few areas of industry growth last year, as demand for energy storage solutions increased. The gap reflects a broader industry shift away from traditional manufacturing toward installing solar systems, energy storage projects and integrated systems. As companies restructure, jobs are moving from production lines to downstream services. 
Firms are continuing to expand production of advanced yet expensive modules and batteries. These production lines require more technical expertise than older modules, and with firms cutting training budgets, only workers with existing skills will find jobs in these factories.
Caroline Goron, of Duke Kunshan University, notes that while local governments are adept at competing for industry and attracting new jobs and revenue to their jurisdictions, their strategies rarely consider how to retain industry and often neglect social policy. Now, as the industry is forced to consolidate, local governments have little to offer the workers losing their jobs.
The central government has rejected claims that there is overcapacity in the industry, preferring to address the problem of “involution” (内卷), meaning excessive competition, and launched campaigns to address it. The question is how much the industry will need to consolidate before firms become profitable again. 
Some observers estimate 20-30% capacity reductions are required, but demand shrinkage could increase that figure. “I’m particularly worried about the downstream side,” says Reis. “Even as prices collapsed, demand remained robust for three years, but power market reforms are now upending the entire renewables market.” 
China’s power market reforms since 2025 have added greater uncertainty to the market for renewables. Since last July, prices for power from new renewable projects have been determined by a market-based mechanism. Investors in new projects face uncertain returns and are responding with greater caution. This threatens to slow China’s historic solar installation rate, at least in the short term, making the supply-demand mismatch even harder to resolve. 
“The best plan I’ve seen for reducing overcapacity so far is the fund to consolidate and shut down one-third of polysilicon capacity,” Ries says. The price of polysilicon, a key input material for PV modules also mired in oversupply, began rising in July 2025 after plans were announced for a USD 7 billion fund for China’s large producers to acquire and retire one-third of production capacity. It was the first concrete sign of discipline in solar supply chains.
But the trend was thrown into disarray in January 2026 when the State Administration for Market Regulation accused the fund of anti-competitiveness. It forbade any coordination on “production or sales volumes, capacity, pricing, output quotas, profit sharing, market division, or exchange of price and production information.” Despite this ruling, in August, eight polysilicon manufacturers, who account for 90% of China’s polysilicon supply, agreed not to sell below the cost of production, coordinating a price floor to tackle “involution”.
Analysts have anticipated the industry will begin stabilising in the second half of this year or next, providing a welcome respite to a beleaguered sector. This will only be possible through brutal consolidations and production cuts that bring supply closer to demand. When the dust settles, China’s solar firms will be leaner, more efficient, and a source of far fewer jobs.
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Eleanor Randolph
Eleanor Randolph is a researcher specialising in China’s political economy, climate policy and industrial development. She studied international relations in Mandarin at the Hopkins-Nanjing Center and has contributed to work at the Centre for Strategic and International Studies (CSIS) and ChinaTalk.
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A water treatment plant in South Australia (SA) has employed a containerised off-grid power system installed by SA renewable energy systems company MyEnergy Engineering, in an area with no grid connection that ensures energy needs are met, and essential water movement and filtration processes run continuously.
The system includes 99.6 kW of Jinko Solar panels, three Victron Quattro 48/15000 inverter/chargers, and a 96 kWh Pylontech battery.
Key components include six Victron SmartSolar MPPT RS450/200-TR, two Fronius Symo 20.03, a Victron Cerbo GX and Clenergy ground mounting system.
The system was tailor-made within a 20-foot insulated and airconditioned shipping container on site at MyEnergy headquarters in Adelaide, then transported to the water treatment plant location in Callington, approximately 55 kilometres southeast of Adelaide.
“The system reflects a proven approach to supplying power in locations where no suitable dwelling or infrastructure exists to house equipment,” a MyEnergy spokesperson said.
“By integrating core components, including battery storage and control systems, into a secure, transportable container, we deliver a complete, ready-to-deploy solution that reduces installation time, protects equipment and simplifies long-term maintenance.”
The project was recognised at the 2025 Master Electricians Australia Industry Excellence Awards, receiving ‘Highly Commended’ for Clean Energy Project of the Year – Commercial Project Under $1 million (USD 700,000).
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Longi, a Chinese maker of photovoltaic modules, has reported a power conversion efficiency of 28.29% for a hybrid interdigitated-back-contact solar cell, according to pv magazine. Germany’s Institute for Solar Energy Research Hamelin confirmed the measurement.
The company said the figure represents a world record for single-junction crystalline silicon solar cells, beating its own earlier mark of 28.13% set in May. Longi noted that it has set a new world record three times this year, with efficiencies of 28.04%, 28.13% and 28.29%, and added that crystalline silicon cell efficiency is now nearing its technical ceiling at 96.2% of the theoretical limit. The company did not disclose additional information about the cell technology.
Longi described the architecture of its hybrid interdigitated-back-contact cell in a scientific paper released in November. The device integrates passivated tunneling contacts, dielectric passivation layers, and both n-type and p-type contacts.
The cell is constructed on a high-resistivity, half-cut M10 wafer with edge passivation and optimized n-type contacts made through a mix of high- and low-temperature processes. An indium tin oxide layer enhances lateral transport, while multilayer aluminum oxide and silicon nitride coatings lower surface recombination.
The researchers also cut phosphorus doping in the n-type polycrystalline silicon layer to restrict dopant diffusion into the wafer. The company’s in situ passivated-edge technology allows edge passivation during fabrication. Deep-trenched metal fingers and selective indium tin oxide etching help stop leakage between the n-type and p-type contacts, while a thicker amorphous silicon layer enhances junction coverage and sidewall encapsulation. To lower contact resistivity without sacrificing passivation, the amorphous silicon layer is crystallized with a pulsed green nanosecond laser.
Longi said the technology could be scaled for heterojunction solar cell manufacturing, though further improvements are needed to cut resistive losses in the p-type contact.
Interactive table based on the Store Companies dataset for this report.
Report Scope and Analytical Framing
Concise View of Market Direction
Market Size, Growth and Scenario Framing
Commercial and Technical Scope
How the Market Splits Into Decision-Relevant Buckets
Where Demand Comes From and How It Behaves
Supply Footprint and Value Capture
Trade Flows and External Dependence
Price Formation and Revenue Logic
Who Wins and Why
How the Domestic Market Works
Commercial Entry and Scaling Priorities
Where the Best Expansion Logic Sits
Leading Players and Strategic Archetypes
How the Report Was Built
World's largest monocrystalline silicon producer
Major PV manufacturer, high-efficiency cells
One of world's largest solar module producers
Leading PV module and cell manufacturer
Major LED chip and compound semiconductor producer
Global HQ in Canada, major ops in China
Major PV product manufacturer
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HJT solar cell specialist
Solar cell manufacturer
Major polysilicon and solar cell producer
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Solar cell and module producer
LED packaging and components
LED chip manufacturer
LED packaging and lighting solutions
LED packaging and components
Solar cell and module manufacturer
Solar cell producer
Crystal growth equipment and materials
Integrated circuits and LED chips
LED packaging and lighting
LED packaging and components
LED packaging and smart lighting
LED packaging and display products
LED chip technology company
LED packaging
PV manufacturing equipment
LED driver ICs and chips
LED packaging and components
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Websol Energy System Ltd has obtained 21.9 hectares at Falta Industrial Park in West Bengal, India, for a solar manufacturing plant it intends to build.
The planned factory is designed for 4 GW of annual solar cell output and 4 GW of module output, with development split into two 2 GW stages.
The land allocation advances Websol‘s push to grow its manufacturing activities in West Bengal, where it already runs a solar cell and module plant inside the Falta Special Economic Zone. According to the company, its current operations in the state give it access to trained labor, long-standing supplier ties and knowledge of the local production environment, all of which it expects to aid the new site’s development. The project would extend Websol’s manufacturing reach in eastern India.
Sohan Lal Agarwal, chairman and managing director of Websol Energy System, noted that when the company first entered solar manufacturing in the mid-1990s, India’s industry was still at a very early stage, while solar has now become an increasingly significant element of the nation’s energy infrastructure, making the case for robust domestic manufacturing clearer than ever. He called the land allotment the next stage of a journey that started over thirty years ago in West Bengal, enabling the company to construct at a considerably larger scale while remaining near an ecosystem, workforce and operating base it understands well. He further stated that as India grows its solar capacity, manufacturing ought to expand in parallel, across regions and nearer to demand.
Sanjana Khaitan, executive director of Websol Energy System, said the company will now concentrate on advancing the project from land allotment through construction, commissioning and production.
Established in 1990, Websol produces solar cells and modules. It mainly provides cells to the Indian market, including module makers aiming to meet domestic content requirement rules, and offers its modules both in India and abroad.
The current Falta SEZ site has 1.2 GW of annual solar cell output and 550 MW of module output, and its production lines are capable of handling wafers up to 210 mm. Websol appears among the manufacturers on India’s Approved List of Models and Manufacturers for solar cells.
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Major integrated solar manufacturer
India's largest solar module manufacturer
Part of Adani Group, integrated manufacturing
Leading manufacturer, part of Tata Group
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Historical leader in solar manufacturing
Makes solar cells, modules, encapsulants
Module and cell manufacturer
Solar PV module manufacturer
Solar panel manufacturer and distributor
Manufactures solar modules and inverters
Solar panel manufacturer
Solar panel manufacturer
Solar panel manufacturer
Solar cell and module manufacturer
Major LED lighting products manufacturer
Leading electrical goods co, major LED player
Major manufacturer of LED lights and fixtures
Major player in LED lighting segment
LED lighting manufacturer
Manufactures LED displays and lighting
Indian subsidiary, major LED mfg in India
Manufactures LED lights and fixtures
Major Indian electrical brand, produces LEDs
LED lighting products manufacturer
Manufactures LED bulbs and lighting
Major player in consumer LED lighting
Leading LED lighting solutions provider
Manufactures LED lights under Finolex brand
Wires & cables major, also manufactures LEDs
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Waaree Clean Energy Solutions Enters India’s Specialty Gases Market For Semiconductor And Solar Manufacturing  SolarQuarter
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Indian solar module manufacturer Navitas Solar plans to invest INR 10,000 crore over the next five years to expand across the renewable energy value chain, including solar cells, ingots, wafers, battery energy storage systems (BESS) and renewable power generation.
The company plans to build an integrated renewable energy ecosystem across Gujarat and Maharashtra, with investments across both the upstream and downstream segments of the renewable energy value chain.
As part of the expansion, Navitas Solar is already progressing with a 2.4 GW solar cell manufacturing facility at Sisodara, Gujarat, with Phase I involving an investment of around INR 1,200 crore. The company is also developing pilot lines for ingot and wafer manufacturing, which are intended to build technical capabilities and create a foundation for future scale-up. The cell manufacturing facility is targeted to become operational by July 2027.
The company is also expanding beyond manufacturing into renewable energy generation and energy storage. In Maharashtra, Navitas Solar is developing two solar parks with capacities of 200 MW and 25 MW, respectively, under EPC and independent power producer (IPP) models. In Gujarat, the company is entering the energy storage segment with a planned 5 GWh battery energy storage facility in Vadodara, further strengthening its capabilities across the clean-energy ecosystem.
“India’s renewable energy journey is entering a phase where scale, technology and supply-chain depth will increasingly determine the competitiveness of the sector. At Navitas Solar, we want to participate across the value chain and build capabilities that enable us to contribute meaningfully to India’s clean energy transition,” said Ankit Singhania, Director, Navitas Solar. “Our planned INR 10,000 crore investment over the next five years is a reflection of this ambition.”
The planned investments build on Navitas Solar’s existing manufacturing base. The company has a 3 GW annual solar module manufacturing capacity and manufactures high-efficiency solar modules, including TOPCon and bifacial Mono PERC technologies. It has also been pursuing backward integration through its solar encapsulant business, Navitas Alpha, while expanding its renewable energy portfolio through subsidiaries such as Navitas Planet. Alongside utility-scale renewable energy projects in India, its EPC business is expanding its presence across the Southern African region for execution of utility/IPP scale projects.
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“Electric mobility should not be a promise for a few.”
Photo Credit: Volkswagen
Series production has started in Spain for Volkswagen’s new ID. Cross, a compact electric SUV for the affordable end of the EV market.
Its cheapest version is expected to cost about $32,000, as Electrek reported.
At Volkswagen Navarra in Pamplona, the company has begun building the ID. Cross in series production, according to a LinkedIn post by CEO Thomas Schäfer.
The launch adds another low-cost EV to Volkswagen’s growing lineup.
German orders for the EV began at €36,525 ($41,630), with the more affordable Trend trim at €27,995 — or $31,909 — scheduled to arrive in mid-October.
Schäfer called it “a true Volkswagen: modern, reliable, and, above all, affordable,” per Electrek.
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He added: “Electric mobility should not be a promise for a few. It should be a real choice for many.”
Volkswagen positions the ID. Cross as an electric alternative to the T-Cross, with a choice of a 37- or 52-kilowatt-hour battery. Its maximum range is listed at 265 miles.
On DC fast charging, Volkswagen said the smaller battery can go from 10% to 80% in 23 minutes.
A low-cost electric SUV provides savings beyond the purchase price.
EVs cost less to fuel than gas vehicles and require less routine maintenance because they have fewer moving parts and don’t need oil changes.
Charging an EV at home often costs half as much as using public chargers, but basic Level 1 charging tends to be slow. Qmerit provides free, instant installation estimates for faster Level 2 home charger installations.
Volkswagen said the Cross is about the size of the T-Cross, but its flat battery layout and floor setup create up to 125.5 gallons of interior storage space — 5.3 gallons more than the gas version.
Inside, Volkswagen fitted its digital cockpit with a 10.25-inch instrument display and a 12.9-inch center infotainment screen. 
It also includes a Retro Display mode modeled after the first-generation Golf.
To prepare Volkswagen Navarra for vehicles such as the ID. Cross and the Skoda Epiq, Volkswagen upgraded the plant to produce gas and electric models side by side.
It is using its MEB+ platform for the SUV and plans to sell it in multiple trims and power outputs, giving buyers flexibility on price and range.
For more on Volkswagen’s push into low-cost EVs, check out these stories.
• At Volkswagen’s Spain plant, its first low-cost EVs are already rolling off the line.
• Volkswagen’s new Chinese-market crossover brings unprecedented features to the brand’s expanding EV range.
• Volkswagen’s ID 2all shows how affordable EV design can still prioritize cabin space.
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Solar farms could do more than generate clean energy—they could also cut dust pollution  phys.org
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Amazfit has unveiled the T-Rex Dual Solar, a rugged smartwatch that takes solar charging a little further by putting solar panels on both the front and rear of the watch. The setup is designed to extend battery life when the watch is exposed to sunlight, potentially cutting down how often you need to reach for the charger.
The T-Rex Dual Solar has a 660mAh battery rated for up to 21 days of typical use. But Amazfit says that figure can stretch considerably depending on how much sunlight the watch gets.
Worn on the wrist and exposed to three hours of direct sunlight each day, typical battery life can increase to 34 days. Put the larger solar panel on the rear under three hours of direct sunlight daily instead, and that figure rises to 51 days.
That dual-panel setup is the main attraction here, but the T-Rex Dual Solar isn’t just about battery life. It has a 1.32-inch AMOLED display with up to 3,000 nits of peak brightness, while Sapphire Glass provides protection over the screen.
For fitness tracking, Amazfit says the watch supports more than 180 workout modes, giving it plenty of scope for different types of training. There’s also Bluetooth calling for taking calls from the wrist, along with 10 ATM water resistance for more demanding conditions. A built-in LED flashlight is another handy addition, particularly for a watch designed with outdoor use in mind.
The T-Rex Dual Solar comes in a Basalt Black colourway with a silicone strap. It’s priced at $650 in the US, putting it firmly into the premium smartwatch bracket.
How useful that dual-solar approach will be in everyday wear will depend on how much sun the watch actually gets, but it’s an unusual approach to solving one of the perennial smartwatch problems: keeping the thing charged.
Diane is a News Writer for Trusted Reviews, covering daily goings on in the tech world. She holds a degree in creative writing and mainly crafts fictions with a passion for novel storytelling. Her work delves into different genres, now with writing reviews for gadgets and home appliances. Outside of work, Diane enjoys immersing herself in active lifestyle such as dancing and running.
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U.S. solar system prices increased across utility and commercial segments in the second quarter of 2026, driven by persistent structural materials tariffs and rising domestic transportation expenses, according to the latest pricing analysis from Wood Mackenzie and the Solar Energy Industries Association (SEIA).
Residential solar stood as the single exception to the upward pricing trend, with turnkey residential system costs dropping 1.4% year-over-year to average $3.36 per watt in Q2. Commercial solar system pricing experienced the steepest inflation, rising 5.6% year-over-year to $1.77 per watt. In the utility-scale segment, fixed-tilt system prices rose 0.9% year-over-year to $0.95 per watt, while single-axis tracking systems increased 2.0% over the same period to reach $1.06 per watt.
The top-line pricing trends reflect a widening divergence between equipment hardware costs and site-level installation logistics. While module hardware prices declined across the board, those savings were largely absorbed by rising structural, electrical, and transport expenditures.
In the distributed generation market, module prices dropped by an average of 16% year-over-year to hit $0.37 per watt in Q2. The sharp reduction followed the invalidation of International Emergency Economic Powers Act tariffs earlier in 2026, which eased trade pressure on imported solar components.
Conversely, utility-scale module price declines were far more muted. Utility module costs fell just 2% year-over-year, averaging $0.33 per watt in Q2. The muted decline stems from a widespread operational shift toward domestic procurement, as developers pay a notable premium for U.S.-manufactured modules to secure federal domestic content adders and insulate project pipelines from trade enforcement risks.
Cost reductions on modules were countered by a 15% average increase in logistics and freight expenses across all market segments. Logistics inflation has been driven primarily by higher oil and gas prices, which have jumped roughly 50% year-over-year since the start of the Middle East conflict.
Additionally, Section 232 tariffs on raw aluminum, steel, and copper continue to elevate structural and electrical balance of plant costs, affecting both imported and domestic equipment. The import duties affect both foreign supply chains and domestic equipment manufacturers relying on imported raw metals, keeping racking, tracker, and wiring costs high for developers across all scales.
Wood Mackenzie calculates its national average solar system pricing using a bottom-up modeling framework. The methodology captures overnight contracting prices incurred during the year in which the project is being contracted without factoring in procurement or construction lags. This is accomplished by combining tracked wholesale pricing of major solar components and supply chain data models with direct industry interviews.
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According to the latest IndexBox report on the global Thermophotovoltaic Cells market, the market enters 2026 with broader demand fundamentals, more disciplined procurement behavior, and a more regionally diversified supply architecture.
The global thermophotovoltaic (TPV) cells market is transitioning from a specialized research domain to a commercially viable energy conversion technology with significant strategic potential. This report provides a comprehensive analysis of the market landscape as of 2026, projecting trends and structural shifts through the forecast horizon to 2035. Core growth is driven by the intensifying global demand for high-efficiency waste heat recovery, the integration of TPV systems in advanced power generation cycles, and supportive regulatory frameworks aimed at industrial decarbonization.
While technological maturity and high initial costs remain barriers, ongoing R&D focused on cell materials, spectral control, and system integration is rapidly improving economic feasibility and opening new application pathways. The competitive environment is characterized by a mix of established semiconductor and photovoltaic firms, specialized technology startups, and significant involvement from academic and government research institutions. Supply chains are currently concentrated and sensitive to the availability of high-purity semiconductor materials, though diversification efforts are underway.
This analysis concludes that the TPV market is poised for accelerated adoption, particularly in industrial heat recovery and remote power generation, fundamentally altering energy efficiency paradigms across multiple heavy industries by 2035.
The baseline scenario for the thermophotovoltaic cells market from 2026 to 2035 envisions a transition from pilot-scale deployments to broader commercial adoption, primarily driven by the imperative to decarbonize industrial processes and enhance energy efficiency. In 2026, the market remains concentrated in high-value niches such as aerospace and defense, where reliability and power density outweigh cost considerations. However, the forecast period will witness a gradual shift as technological advancements reduce manufacturing costs and improve cell efficiencies.
Key to this outlook is the integration of TPV systems into industrial waste heat recovery, where waste heat from furnaces, kilns, and exhaust streams can be converted into electricity. This application is expected to gain traction, especially in energy-intensive industries like steel, cement, and glass, supported by tightening energy efficiency regulations and carbon pricing mechanisms. The market is also anticipated to benefit from the growing demand for remote power generation, particularly in off-grid locations where traditional power sources are impractical.
Geographically, Asia-Pacific is expected to emerge as the fastest-growing region, fueled by rapid industrialization and government initiatives promoting clean energy technologies. North America and Europe will maintain significant shares, driven by advanced research capabilities and early adoption in aerospace and defense. Despite these positive drivers, the market faces restraints such as high initial capital costs, competition from alternative waste heat recovery technologies, and the need for further standardization. Overall, the market is projected to grow at a robust CAGR, with the market index reaching new heights by 2035, reflecting a maturing ecosystem and expanding application base.
Waste heat recovery represents the largest and most promising end-use sector for thermophotovoltaic cells. Currently, industrial processes such as steel manufacturing, cement production, and glass melting generate vast amounts of high-temperature waste heat that is often released into the atmosphere. TPV cells offer a direct, solid-state method to convert this infrared radiation into electricity, which can be used on-site or fed back into the grid. The demand is driven by the dual imperative of reducing operational costs and meeting stringent environmental regulations. Through 2035, as carbon pricing mechanisms expand and energy efficiency standards tighten, the adoption of TPV-based waste heat recovery systems is expected to accelerate.
Key demand-side indicators include industrial energy consumption, waste heat availability, and the levelized cost of electricity from TPV systems compared to alternatives. The segment’s growth will be further supported by advancements in selective emitters and filters that enhance conversion efficiency for specific industrial heat sources. Current trend: Growing adoption in heavy industries.
Major trends: Integration of TPV systems with existing industrial furnaces and kilns, Development of modular TPV units for retrofitting, Increasing focus on high-temperature waste heat sources, Collaborations between TPV manufacturers and industrial end-users, and Government incentives for waste heat-to-power projects.
Representative participants: Cummins Inc, General Electric Company, Siemens Energy AG, Antora Energy, and MicroPower Global Limited.
Combined heat and power systems, also known as cogeneration, simultaneously produce electricity and useful heat from a single fuel source. TPV cells can be integrated into CHP systems to convert high-temperature heat into additional electricity, boosting overall system efficiency. In 2026, the adoption of TPV in CHP is still nascent but growing, particularly in industries with continuous heat demand such as chemicals, refining, and food processing. The demand is driven by the need to maximize fuel utilization and reduce greenhouse gas emissions. Over the forecast period, as CHP systems become more prevalent due to their efficiency benefits, the integration of TPV cells is expected to increase.
Key indicators include the number of CHP installations, average system efficiencies, and the cost of natural gas. The segment will benefit from advancements in TPV cell durability and the ability to operate at the high temperatures typical of CHP exhaust streams. Current trend: Rising demand for efficient cogeneration.
Major trends: Increasing adoption of CHP in industrial and commercial facilities, Integration of TPV with micro-CHP systems for distributed generation, Focus on high-efficiency TPV cells for high-temperature CHP, Government incentives for CHP installations, and Partnerships between TPV developers and CHP system integrators.
Representative participants: Cummins Inc, General Electric Company, Siemens Energy AG, Electro Power Systems S.A, and Thermo PV, Inc.
Aerospace power systems require lightweight, reliable, and high-density power sources, making TPV cells an attractive option for converting heat from radioisotope sources or combustion into electricity. In 2026, the aerospace sector remains a key early adopter, particularly for military drones, satellites, and deep-space probes where solar power is insufficient or impractical. The demand is driven by the need for long-duration missions and the limitations of battery technology. Through 2035, as space exploration and defense spending increase, the demand for TPV cells in aerospace is expected to grow steadily. Key indicators include defense budgets, satellite launch rates, and the number of deep-space missions.
The segment will benefit from ongoing R&D to improve TPV cell efficiency and reduce weight, as well as from the development of novel heat sources such as advanced radioisotope generators. Current trend: Steady growth in defense and space applications.
Major trends: Increasing use of TPV in radioisotope power systems for space missions, Development of lightweight TPV modules for unmanned aerial vehicles, Growing demand for reliable power in remote aerospace applications, Advancements in high-temperature TPV materials, and Collaborations between aerospace firms and TPV technology providers.
Representative participants: Lockheed Martin Corporation, Raytheon Technologies Corporation, General Electric Company, Broadcom Inc, and II-VI Incorporated (Coherent Corp.).
Military portable power applications require silent, lightweight, and efficient power sources for dismounted soldiers and remote outposts. TPV cells can convert heat from combustion or other sources into electricity with no moving parts, offering a quiet and reliable alternative to traditional generators. In 2026, the adoption of TPV in military portable power is limited but growing, driven by the need to reduce logistical fuel supply chains and enhance operational stealth. Over the forecast period, as militaries seek to lighten the load for soldiers and extend mission durations, the demand for TPV-based portable power systems is expected to rise.
Key indicators include defense procurement budgets, soldier power requirements, and the adoption of wearable technologies. The segment will benefit from advancements in miniaturization and fuel-flexible TPV systems. Current trend: Increasing demand for silent, lightweight power.
Major trends: Development of man-portable TPV generators for dismounted soldiers, Integration of TPV with fuel cells for hybrid power systems, Focus on fuel flexibility and reduced logistical footprint, Increasing investment in soldier power programs, and Collaborations between defense contractors and TPV innovators.
Representative participants: Lockheed Martin Corporation, Raytheon Technologies Corporation, General Electric Company, MicroPower Global Limited, and Thermo PV, Inc.
Industrial process heat refers to the thermal energy used in manufacturing processes such as drying, curing, and melting. TPV cells can be integrated into these processes to recover waste heat and generate electricity, improving overall energy efficiency. In 2026, the application of TPV in industrial process heat is in early stages, with pilot projects in industries like metals, ceramics, and chemicals. The demand is driven by the need to reduce energy costs and comply with emissions regulations. Through 2035, as industries seek to decarbonize and improve competitiveness, the adoption of TPV for process heat recovery is expected to grow.
Key indicators include industrial energy prices, carbon regulations, and the availability of high-temperature heat sources. The segment will benefit from the development of TPV systems capable of operating in harsh industrial environments. Current trend: Emerging applications in high-temperature processes.
Major trends: Pilot projects integrating TPV with industrial furnaces and kilns, Development of high-temperature TPV cells for process heat, Increasing focus on energy efficiency in heavy industries, Government incentives for industrial decarbonization, and Partnerships between TPV manufacturers and industrial end-users.
Representative participants: Siemens Energy AG, General Electric Company, Cummins Inc, Antora Energy, and Electro Power Systems S.A.
Interactive table based on the Store Companies dataset for this report.
Asia-Pacific is poised to become the largest and fastest-growing market for TPV cells, driven by rapid industrialization, increasing energy costs, and government initiatives promoting clean energy. Countries like China, Japan, and South Korea are investing heavily in advanced energy technologies, including waste heat recovery and remote power generation. The region’s strong manufacturing base and growing aerospace and defense sectors further support demand. Direction: Fastest-growing region.
North America remains a key market for TPV cells, supported by advanced research capabilities, stringent energy efficiency regulations, and significant defense and aerospace spending. The United States leads in R&D and early adoption, with Canada also contributing through industrial waste heat recovery projects. The region’s growth will be driven by industrial decarbonization efforts and the need for reliable remote power. Direction: Mature market with steady growth.
Europe is expected to experience steady growth in the TPV market, driven by ambitious decarbonization targets and energy efficiency directives. Countries like Germany, France, and the UK are at the forefront of industrial waste heat recovery and CHP adoption. The region’s strong focus on renewable energy and carbon reduction will support the integration of TPV systems in various applications. Direction: Steady growth driven by decarbonization.
Latin America represents an emerging market for TPV cells, with potential in industrial waste heat recovery and remote power generation. Brazil and Mexico are key countries, with growing industrial sectors and increasing energy demands. However, limited awareness and high initial costs may hinder faster adoption. The region’s growth will depend on economic development and regulatory support. Direction: Emerging market with potential.
The Middle East & Africa region offers niche opportunities for TPV cells, particularly in remote power generation for oil and gas operations, mining, and off-grid communities. The harsh environments and lack of grid infrastructure make TPV an attractive solution. However, the market is still nascent, and growth will be contingent on investment and technology transfer. South Africa and the UAE are expected to lead adoption. Direction: Niche opportunities in remote power.
In the baseline scenario, IndexBox estimates a 12.0% compound annual growth rate for the global thermophotovoltaic cells market over 2026-2035, bringing the market index to roughly 285 by 2035 (2025=100).
Note: indexed curves are used to compare medium-term scenario trajectories when full absolute volumes are not publicly disclosed.
For full methodological details and benchmark tables, see the latest IndexBox Thermophotovoltaic Cells market report.
This report provides an in-depth analysis of the Thermophotovoltaic Cells market in the World, including market size, structure, key trends, and forecast. The study highlights demand drivers, supply constraints, and competitive dynamics across the value chain.
The analysis is designed for manufacturers, distributors, investors, and advisors who require a consistent, data-driven view of market dynamics and a transparent analytical definition of the product scope.
This report covers thermophotovoltaic (TPV) cells, semiconductor devices that convert infrared radiation from a heat source directly into electricity. The scope includes the core photovoltaic cells and modules designed for high-temperature operation, along with key components and integrated systems specific to TPV energy conversion. The analysis encompasses the entire value chain from specialized semiconductor manufacturing to final system integration for waste heat recovery and other applications.
Thermophotovoltaic cells are primarily classified under electronics and electrical machinery categories due to their function as photovoltaic devices. They intersect classifications for photovoltaic cells, diodes, and static converters. The relevant Harmonized System (HS) codes reflect their nature as photosensitive semiconductor devices and essential electrical components of power supply systems.
World
The analysis is built on a multi-source framework that combines official statistics, trade records, company disclosures, and expert validation. Data are standardized, reconciled, and cross-checked to ensure consistency across time series.
All data are normalized to a common product definition and mapped to a consistent set of codes. This ensures that comparisons across time are aligned and actionable.
Report Scope and Analytical Framing
Concise View of Market Direction
Market Size, Growth and Scenario Framing
Commercial and Technical Scope
How the Market Splits Into Decision-Relevant Buckets
Where Demand Comes From and How It Behaves
Supply Footprint, Trade and Value Capture
Trade Flows and External Dependence
Price Formation and Revenue Logic
Who Wins and Why
Where Growth and Supply Concentrate
Commercial Entry and Scaling Priorities
Where the Best Expansion Logic Sits
Leading Players and Strategic Archetypes
Detailed View of the Most Important National Markets
How the Report Was Built
Leading in industrial TPV applications
High-profile R&D project, status uncertain
Leading startup in TPV for industrial decarbonization
Specialized TPV company
Formerly Micropower, focused on semiconductor waste heat
Research focus on novel TPV materials
Materials expertise for high-temperature emitters
Significant academic research group
Key academic institution for advanced TPV concepts
Prominent academic research
Leading European research institute
Historical and ongoing TPV research
Explored TPV for cold storage applications
Historical work on space nuclear TPV
Explored TPV for portable power
Developed TPV for silent military generators
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1 place you should never put a plug-in solar panel, according to experts – or put your property at risk  idealhome.co.uk
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Research News
Patricia Daukantas

Water attenuates long wavelengths of light, leading to the blue hues below the ocean’s surface. [Image: DrPixel / Getty Images]
Water preferentially attenuates long wavelengths of light, leading to the blue hues familiar to scuba divers. This attenuation means that the undersea environment is not an ideal location for conventional solar cells, which are most efficient at collecting long wavelengths.
Researchers in China have developed specialized perovskite solar cells with wide band gaps customized to the blue-green spectrum of underwater regions (Joule, doi:10.1016/j.joule.2026.102672). The solar cells, modified with an organic polymer to convert the perovskites from p– to n-type, survived extended use in a simulated underwater environment and later supplying power to electronic devices submerged 10 m under the ocean surface.
“Very few studies have been reported on underwater solar cells, and all of them are focused on very shallow water depths of only two meters or less, a scenario far from catering for requirements of practical application,” says author Wen-Hua Zhang of Yunnan University and Southwest United Graduate School in Kunming, China. “This work presents the first functional validation of submerged solar cells practically operating at a water depth of up to about 10 meters, greatly broadening their application scope.”
[Enlarge image]
A schematic diagram of submerged perovskite solar cells for underwater applications. [Image: Simin Ma, Yunnan University]
Both human divers and autonomous devices require power for lighting, motors, cameras and other underwater equipment. Surface supply via electrical cable greatly limits the travel range of divers and robots, and batteries—even high-capacity versions—need to be recharged or replaced. While high-efficiency terrestrial photovoltaic panels, containing cadmium telluride or even conventional perovskites, harness wavelengths of 800 to 1150 nm to generate electricity, underwater solar cells struggle to operate because water strongly absorbs light with wavelengths at or above 630 nm.
In the new work, the team at Yunnan University fabricated a lead-based perovskite crystal modified with polyhexamethylene guanidine hydrochloride. The guanidine moieties interacted with the lattice structure of the semiconductor to improve the quality of the material’s lattice structure and widen the band gap to roughly 1.96 eV. An epoxy resin protected the cell from water damage.
The researchers first tested the prototype solar cells above ground, but under lighting conditions simulating what the cells would “see” under varying depths of pure water (2, 5 and 10 m). The unit’s power conversion efficiency actually increased at greater mock depths, up to 34.71% at 10 m. The team also immersed the cells in tap water then tested the water to make sure that lead leakage from the cells was negligible.
Next, the Yunnan group tested the solar cells in real-world conditions off an island in the South China Sea. The team programmed an aquatic mini-robot to charge lithium-ion batteries with energy generated by the prototype cells. Even 10 m deep in seawater, the cells registered an output of 324 mWh. Retrieved from the water, the batteries lit up a small neon sign.
“What surprised us most was so much electrical energy our large-area modules generated under real-world conditions at 10-meter water depth for only two hours,” said Zhang.
Based on their tests, the Yunnan researchers predict that the perovskite solar cells will last more than 5 years of continuous operation at 25°C. The team will test the cells at greater depths to find their limit of underwater operation.
Publish Date: 24 September 2026
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Norway’s solar capacity tops 1GW as growth slows  EnergyWatch
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Source: TH  
Growing difficulty and rising costs of land acquisition for large-scale ground-mounted solar projects have renewed interest in Canal-Top Photovoltaics (CTPV) as a land-neutral renewable energy solution.  

1. What is Canal-Top Photovoltaics (CTPV)?
CTPV involves installing solar panels on elevated structures over existing irrigation or water-supply canals, generating electricity without requiring additional land. 
2. How is CTPV different from floating solar?
CTPV uses fixed elevated structures spanning canals, whereas floating solar panels are mounted on floating platforms on reservoirs or lakes. 
3. What is the potential of CTPV in India?
A 2024 CSTEP assessment estimated India’s CTPV and canal-bank solar potential at around 131 GW, with Uttar Pradesh, Bihar, Karnataka, Andhra Pradesh and Punjab among the leading prospective States. 
4. What is the PM Surya Sarovar Yojana?
The PM-SSY aims to develop 5,000 MW of floating solar capacity by FY 2030–31, supported by ₹5,070 crore and integrated Energy Storage Systems. 
5. What are the major challenges of Canal-Top Photovoltaics?
Key challenges include high capital costs, difficult maintenance and canal desilting, and grid-connectivity constraints due to the linear nature of canal networks. 


Q. Consider the following statements about ‘PM Surya Ghar Muft Bijli Yojana’: (2025)
Which of the statements given above are correct?  
(a) I and II only  
(b) I and III only  
(c) II and III only  
(d) I, II and III  
Ans: D  
Q. Consider the following statements: (2016)
Which of the statements given above is/are correct?     
(a) 1 only      
(b) 2 only     
(c) Both 1 and 2     
(d) Neither 1 nor 2     
Ans: (a)
Q. India has immense potential for solar energy though there are regional variations in its developments. Elaborate. (2020)

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Many people wonder whether broken panels release harmful chemicals into the soil or groundwater. However, recent scientific research suggests that these concerns may be greater than the actual risk. 
According to a science-based fact sheet prepared by Taylor Curtis, National Laboratory of the Rockies, and Annick Anctil, Michigan State University, modern solar panels are designed to safely contain their internal materials, even when physical damage occurs. 
Most solar panels are made primarily of glass and contain smaller amounts of metals and specialized materials. These components are enclosed within durable protective polymer layers that shield them from rain, wind, moisture, hail, and temperature extremes. The design helps ensure that internal materials remain protected throughout a panel's lifespan, which can extend for decades. 
One commonly discussed concern involves the presence of lead in some crystalline silicon solar panels and cadmium compounds in certain thin-film panels. However, the researchers explain that these materials make up only a very small portion of the panel's total weight, typically around 0.1% or less. More importantly, they remain securely encapsulated within the panel structure under normal operating conditions. 
To better understand potential risks, scientists have conducted tests that go beyond typical real-world conditions. In one study, pieces of damaged solar panels were placed in a solution designed to simulate acid rain and left there for an entire year.  
The results showed that lead and cadmium levels remained below the screening thresholds established by the U.S. Environmental Protection Agency. These findings indicate no significant risk to either human health or the environment. 
Researchers also addressed concerns about other potentially harmful substances. The fact sheet notes that technical experts have found no evidence that commercially available solar panels contain arsenic, hexavalent chromium, or harmful PFAS "forever chemicals." 
As solar energy continues to expand across rural and agricultural communities, questions about panel safety and environmental impact are becoming increasingly common. Scientific evidence suggests that modern solar panels are built with durability and safety in mind, helping prevent exposure to internal materials even when damage occurs. 
The research does not dismiss public concerns but instead provides information based on testing and observation. The findings show that modern solar technology is designed to withstand challenging outdoor conditions while minimizing environmental risks. 
Photo Credit: istock-simplycreativephotography

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By Zenon Christodoulou
Continuing her efforts to reduce energy prices in New Jersey, Governor Mikie Sherrill signed legislation that will help homeowners and renters reduce their electricity bills while decarbonizing the environment. When the law goes into effect, residents in the Garden State will be able to install solar panels on their property and generate free electricity. They won’t need cumbersome approvals from their local utility or special equipment. They will be able to simply place a few panels where the sun shines and plug them into an existing wall outlet.
New Jersey is one of a growing number of states that will allow residents to install up to 1,200 watts of solar panels without needing burdensome approvals or complex designs. When the sun shines, clean, renewable, and free electricity will flow directly into their homes or apartments – immediately lowering energy bills.
This is a good step towards democratizing solar energy, eliminating unnecessary red tape and lowering consumer costs.
As this program takes hold and expands across the country, we should consider what the mature market will look like and how we can maximize society-wide benefits.
If a homeowner surfs the web to buy a solar panel, they would be hard-pressed to find one that is domestically manufactured.
Chinese and Asian suppliers have flooded the U.S. market for years and now dominate the global trade of ready-to-install solar panels. This is not surprising. The vast majority of the world’s solar supply chain, from raw material to finished panels, resides in Asia. Fortunately, innovations and investments in U.S. manufacturing are catching up quickly. U.S. production of solar panels, for example, has doubled in 2025 and is up 440% over two years.
This is the result of widespread support for policies that wisely aim to bring solar manufacturing back to the U.S., a move that has already created thousands of jobs and billions in investment. In fact, one of the very few energy policies introduced by the Biden Administration that has received continued support from the Trump Administration is the 45x advanced manufacturing tax credits. These support U.S. manufacturing of solar energy and battery components.
Plug-in balcony solar is a great policy that can bring quick relief to increasing energy bills. But relying on foreign monopolies is an oversight we should not overlook. States like New Jersey, Colorado, Virginia, Maryland, and other states that want to lead on energy affordability should partner with domestic researchers and manufacturers to put American-made panels on American homes.
By supporting domestic solar panel manufacturing, the U.S. will expand investment in advanced manufacturing, secure supply chains that can withstand trade disputes and price fluctuations, and encourage clean, affordable, American energy production. It will also help America achieve energy independence, energy abundance, and deliver jobs.
Plug-in balcony solar programs will allow people to generate their own electricity, cut carbon emissions, and reduce their energy bills.
Bringing domestic manufacturing home will create a sustainable market that homeowners and renters can rely on while providing them with dependable pricing, consistent quality, and lower costs.
There are encouraging signs that a clean, affordable, and sustainable energy future is within our grasp. Responding to consumer markets by encouraging domestic innovation and production has always allowed America to create world-leading industries. It’s time for us to learn from our own lessons and support the local industries that will define America’s future and change the world.
Dr. Zenon Christodoulou
Commissioner Emeritus, NJ Board of Public Utilities
Senior Fellow, CESAC, Montclair State University
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24 Sep, 2026, 16:19 IST
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HYDERABAD, India, Sept. 24, 2026 /PRNewswire/ — In a landmark leap into renewable energy, Nava Limited today announced the commissioning of 100 MW solar power plant by its step-down subsidiary, Maamba Solar Energy Limited (MSEL), Zambia, marking a defining milestone in the group journey into renewables. Power evacuation from the plant to the Zambian grid has commenced.
20-Year Power Purchase Agreement
MSEL has a 20-year Power Purchase Agreement (PPA) with ZESCO Limited, Zambia’s national power utility, for the entire power generated by the 100 MW solar power plant.
Strategic Significance
This commissioning represents a strategic milestone for the group’s formal entry into utility-scale renewable energy and broadening its business portfolio beyond its traditional core sectors. It reflects a deliberate diversification strategy, positioning it to participate in the global shift toward clean energy, building a scalable platform for future renewable ventures across geographies.
Speaking of the milestone Mr. Ashwin Devineni, MD & CEO of Nava Limited, said, “The commissioning of our 100MW solar project in Zambia marks a defining step in Nava’s journey into renewable energy.”
“This milestone reflects our commitment to sustainable growth and reinforces our vision of building a diversified, future-ready energy portfolio across geographies,“ he added.
About MSEL
MSEL is a Zambia-based renewable energy company and a step-down subsidiary of Nava Limited, held through Nava Global, the Company’s international arm. MSEL’s shareholding is held 65% by Nava Global and 35% by ZCCM Investments Holdings PLC (ZCCM-IH), a Zambian investment holding company.
About Nava Limited
Nava Limited is a diversified Indian conglomerate with interests across power generation, mining, ferro alloys, and renewable energy. Through its international arm, Nava Global, the Company has been expanding its renewable energy footprint in Africa.
www.navalimited.com
Media Contact for Nava Limited:
Lisa Rufus G.
Phone: +91 91542 40656
Email: [email protected]
This document may contain forward-looking statements based on management’s beliefs, opinions and expectations as of the date of this release. Actual results may vary due to risks and uncertainties, and the Company does not assume any obligation to update such statements in response to future developments. Please refer to official disclosures for the most accurate and up-to-date information.
Nava Limited today announced its financial results for the quarter-ended June 30, 2026, reporting its highest-ever quarterly total income, while…
Nava Limited today announced its financial results for the year ended March 31, 2026, reporting strong operational growth across businesses and a…
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By Zenon Christodoulou
Continuing her efforts to reduce energy prices in New Jersey, Governor Mikie Sherrill signed legislation that will help homeowners and renters reduce their electricity bills while decarbonizing the environment. When the law goes into effect, residents in the Garden State will be able to install solar panels on their property and generate free electricity. They won’t need cumbersome approvals from their local utility or special equipment. They will be able to simply place a few panels where the sun shines and plug them into an existing wall outlet.
New Jersey is one of a growing number of states that will allow residents to install up to 1,200 watts of solar panels without needing burdensome approvals or complex designs. When the sun shines, clean, renewable, and free electricity will flow directly into their homes or apartments – immediately lowering energy bills.
This is a good step towards democratizing solar energy, eliminating unnecessary red tape and lowering consumer costs.
As this program takes hold and expands across the country, we should consider what the mature market will look like and how we can maximize society-wide benefits.
If a homeowner surfs the web to buy a solar panel, they would be hard-pressed to find one that is domestically manufactured.
Chinese and Asian suppliers have flooded the U.S. market for years and now dominate the global trade of ready-to-install solar panels. This is not surprising. The vast majority of the world’s solar supply chain, from raw material to finished panels, resides in Asia. Fortunately, innovations and investments in U.S. manufacturing are catching up quickly. U.S. production of solar panels, for example, has doubled in 2025 and is up 440% over two years.
This is the result of widespread support for policies that wisely aim to bring solar manufacturing back to the U.S., a move that has already created thousands of jobs and billions in investment. In fact, one of the very few energy policies introduced by the Biden Administration that has received continued support from the Trump Administration is the 45x advanced manufacturing tax credits. These support U.S. manufacturing of solar energy and battery components.
Plug-in balcony solar is a great policy that can bring quick relief to increasing energy bills. But relying on foreign monopolies is an oversight we should not overlook. States like New Jersey, Colorado, Virginia, Maryland, and other states that want to lead on energy affordability should partner with domestic researchers and manufacturers to put American-made panels on American homes.
By supporting domestic solar panel manufacturing, the U.S. will expand investment in advanced manufacturing, secure supply chains that can withstand trade disputes and price fluctuations, and encourage clean, affordable, American energy production. It will also help America achieve energy independence, energy abundance, and deliver jobs.
Plug-in balcony solar programs will allow people to generate their own electricity, cut carbon emissions, and reduce their energy bills.
Bringing domestic manufacturing home will create a sustainable market that homeowners and renters can rely on while providing them with dependable pricing, consistent quality, and lower costs.
There are encouraging signs that a clean, affordable, and sustainable energy future is within our grasp. Responding to consumer markets by encouraging domestic innovation and production has always allowed America to create world-leading industries. It’s time for us to learn from our own lessons and support the local industries that will define America’s future and change the world.
Dr. Zenon Christodoulou
Commissioner Emeritus, NJ Board of Public Utilities
Senior Fellow, CESAC, Montclair State University
Click here for the full Insider Index
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According to the latest IndexBox report on the global Thermophotovoltaic Cells market, the market enters 2026 with broader demand fundamentals, more disciplined procurement behavior, and a more regionally diversified supply architecture.
The global thermophotovoltaic (TPV) cells market is transitioning from a specialized research domain to a commercially viable energy conversion technology with significant strategic potential. This report provides a comprehensive analysis of the market landscape as of 2026, projecting trends and structural shifts through the forecast horizon to 2035. Core growth is driven by the intensifying global demand for high-efficiency waste heat recovery, the integration of TPV systems in advanced power generation cycles, and supportive regulatory frameworks aimed at industrial decarbonization.
While technological maturity and high initial costs remain barriers, ongoing R&D focused on cell materials, spectral control, and system integration is rapidly improving economic feasibility and opening new application pathways. The competitive environment is characterized by a mix of established semiconductor and photovoltaic firms, specialized technology startups, and significant involvement from academic and government research institutions. Supply chains are currently concentrated and sensitive to the availability of high-purity semiconductor materials, though diversification efforts are underway.
This analysis concludes that the TPV market is poised for accelerated adoption, particularly in industrial heat recovery and remote power generation, fundamentally altering energy efficiency paradigms across multiple heavy industries by 2035.
The baseline scenario for the thermophotovoltaic cells market from 2026 to 2035 envisions a transition from pilot-scale deployments to broader commercial adoption, primarily driven by the imperative to decarbonize industrial processes and enhance energy efficiency. In 2026, the market remains concentrated in high-value niches such as aerospace and defense, where reliability and power density outweigh cost considerations. However, the forecast period will witness a gradual shift as technological advancements reduce manufacturing costs and improve cell efficiencies.
Key to this outlook is the integration of TPV systems into industrial waste heat recovery, where waste heat from furnaces, kilns, and exhaust streams can be converted into electricity. This application is expected to gain traction, especially in energy-intensive industries like steel, cement, and glass, supported by tightening energy efficiency regulations and carbon pricing mechanisms. The market is also anticipated to benefit from the growing demand for remote power generation, particularly in off-grid locations where traditional power sources are impractical.
Geographically, Asia-Pacific is expected to emerge as the fastest-growing region, fueled by rapid industrialization and government initiatives promoting clean energy technologies. North America and Europe will maintain significant shares, driven by advanced research capabilities and early adoption in aerospace and defense. Despite these positive drivers, the market faces restraints such as high initial capital costs, competition from alternative waste heat recovery technologies, and the need for further standardization. Overall, the market is projected to grow at a robust CAGR, with the market index reaching new heights by 2035, reflecting a maturing ecosystem and expanding application base.
Waste heat recovery represents the largest and most promising end-use sector for thermophotovoltaic cells. Currently, industrial processes such as steel manufacturing, cement production, and glass melting generate vast amounts of high-temperature waste heat that is often released into the atmosphere. TPV cells offer a direct, solid-state method to convert this infrared radiation into electricity, which can be used on-site or fed back into the grid. The demand is driven by the dual imperative of reducing operational costs and meeting stringent environmental regulations. Through 2035, as carbon pricing mechanisms expand and energy efficiency standards tighten, the adoption of TPV-based waste heat recovery systems is expected to accelerate.
Key demand-side indicators include industrial energy consumption, waste heat availability, and the levelized cost of electricity from TPV systems compared to alternatives. The segment’s growth will be further supported by advancements in selective emitters and filters that enhance conversion efficiency for specific industrial heat sources. Current trend: Growing adoption in heavy industries.
Major trends: Integration of TPV systems with existing industrial furnaces and kilns, Development of modular TPV units for retrofitting, Increasing focus on high-temperature waste heat sources, Collaborations between TPV manufacturers and industrial end-users, and Government incentives for waste heat-to-power projects.
Representative participants: Cummins Inc, General Electric Company, Siemens Energy AG, Antora Energy, and MicroPower Global Limited.
Combined heat and power systems, also known as cogeneration, simultaneously produce electricity and useful heat from a single fuel source. TPV cells can be integrated into CHP systems to convert high-temperature heat into additional electricity, boosting overall system efficiency. In 2026, the adoption of TPV in CHP is still nascent but growing, particularly in industries with continuous heat demand such as chemicals, refining, and food processing. The demand is driven by the need to maximize fuel utilization and reduce greenhouse gas emissions. Over the forecast period, as CHP systems become more prevalent due to their efficiency benefits, the integration of TPV cells is expected to increase.
Key indicators include the number of CHP installations, average system efficiencies, and the cost of natural gas. The segment will benefit from advancements in TPV cell durability and the ability to operate at the high temperatures typical of CHP exhaust streams. Current trend: Rising demand for efficient cogeneration.
Major trends: Increasing adoption of CHP in industrial and commercial facilities, Integration of TPV with micro-CHP systems for distributed generation, Focus on high-efficiency TPV cells for high-temperature CHP, Government incentives for CHP installations, and Partnerships between TPV developers and CHP system integrators.
Representative participants: Cummins Inc, General Electric Company, Siemens Energy AG, Electro Power Systems S.A, and Thermo PV, Inc.
Aerospace power systems require lightweight, reliable, and high-density power sources, making TPV cells an attractive option for converting heat from radioisotope sources or combustion into electricity. In 2026, the aerospace sector remains a key early adopter, particularly for military drones, satellites, and deep-space probes where solar power is insufficient or impractical. The demand is driven by the need for long-duration missions and the limitations of battery technology. Through 2035, as space exploration and defense spending increase, the demand for TPV cells in aerospace is expected to grow steadily. Key indicators include defense budgets, satellite launch rates, and the number of deep-space missions.
The segment will benefit from ongoing R&D to improve TPV cell efficiency and reduce weight, as well as from the development of novel heat sources such as advanced radioisotope generators. Current trend: Steady growth in defense and space applications.
Major trends: Increasing use of TPV in radioisotope power systems for space missions, Development of lightweight TPV modules for unmanned aerial vehicles, Growing demand for reliable power in remote aerospace applications, Advancements in high-temperature TPV materials, and Collaborations between aerospace firms and TPV technology providers.
Representative participants: Lockheed Martin Corporation, Raytheon Technologies Corporation, General Electric Company, Broadcom Inc, and II-VI Incorporated (Coherent Corp.).
Military portable power applications require silent, lightweight, and efficient power sources for dismounted soldiers and remote outposts. TPV cells can convert heat from combustion or other sources into electricity with no moving parts, offering a quiet and reliable alternative to traditional generators. In 2026, the adoption of TPV in military portable power is limited but growing, driven by the need to reduce logistical fuel supply chains and enhance operational stealth. Over the forecast period, as militaries seek to lighten the load for soldiers and extend mission durations, the demand for TPV-based portable power systems is expected to rise.
Key indicators include defense procurement budgets, soldier power requirements, and the adoption of wearable technologies. The segment will benefit from advancements in miniaturization and fuel-flexible TPV systems. Current trend: Increasing demand for silent, lightweight power.
Major trends: Development of man-portable TPV generators for dismounted soldiers, Integration of TPV with fuel cells for hybrid power systems, Focus on fuel flexibility and reduced logistical footprint, Increasing investment in soldier power programs, and Collaborations between defense contractors and TPV innovators.
Representative participants: Lockheed Martin Corporation, Raytheon Technologies Corporation, General Electric Company, MicroPower Global Limited, and Thermo PV, Inc.
Industrial process heat refers to the thermal energy used in manufacturing processes such as drying, curing, and melting. TPV cells can be integrated into these processes to recover waste heat and generate electricity, improving overall energy efficiency. In 2026, the application of TPV in industrial process heat is in early stages, with pilot projects in industries like metals, ceramics, and chemicals. The demand is driven by the need to reduce energy costs and comply with emissions regulations. Through 2035, as industries seek to decarbonize and improve competitiveness, the adoption of TPV for process heat recovery is expected to grow.
Key indicators include industrial energy prices, carbon regulations, and the availability of high-temperature heat sources. The segment will benefit from the development of TPV systems capable of operating in harsh industrial environments. Current trend: Emerging applications in high-temperature processes.
Major trends: Pilot projects integrating TPV with industrial furnaces and kilns, Development of high-temperature TPV cells for process heat, Increasing focus on energy efficiency in heavy industries, Government incentives for industrial decarbonization, and Partnerships between TPV manufacturers and industrial end-users.
Representative participants: Siemens Energy AG, General Electric Company, Cummins Inc, Antora Energy, and Electro Power Systems S.A.
Interactive table based on the Store Companies dataset for this report.
Asia-Pacific is poised to become the largest and fastest-growing market for TPV cells, driven by rapid industrialization, increasing energy costs, and government initiatives promoting clean energy. Countries like China, Japan, and South Korea are investing heavily in advanced energy technologies, including waste heat recovery and remote power generation. The region’s strong manufacturing base and growing aerospace and defense sectors further support demand. Direction: Fastest-growing region.
North America remains a key market for TPV cells, supported by advanced research capabilities, stringent energy efficiency regulations, and significant defense and aerospace spending. The United States leads in R&D and early adoption, with Canada also contributing through industrial waste heat recovery projects. The region’s growth will be driven by industrial decarbonization efforts and the need for reliable remote power. Direction: Mature market with steady growth.
Europe is expected to experience steady growth in the TPV market, driven by ambitious decarbonization targets and energy efficiency directives. Countries like Germany, France, and the UK are at the forefront of industrial waste heat recovery and CHP adoption. The region’s strong focus on renewable energy and carbon reduction will support the integration of TPV systems in various applications. Direction: Steady growth driven by decarbonization.
Latin America represents an emerging market for TPV cells, with potential in industrial waste heat recovery and remote power generation. Brazil and Mexico are key countries, with growing industrial sectors and increasing energy demands. However, limited awareness and high initial costs may hinder faster adoption. The region’s growth will depend on economic development and regulatory support. Direction: Emerging market with potential.
The Middle East & Africa region offers niche opportunities for TPV cells, particularly in remote power generation for oil and gas operations, mining, and off-grid communities. The harsh environments and lack of grid infrastructure make TPV an attractive solution. However, the market is still nascent, and growth will be contingent on investment and technology transfer. South Africa and the UAE are expected to lead adoption. Direction: Niche opportunities in remote power.
In the baseline scenario, IndexBox estimates a 12.0% compound annual growth rate for the global thermophotovoltaic cells market over 2026-2035, bringing the market index to roughly 285 by 2035 (2025=100).
Note: indexed curves are used to compare medium-term scenario trajectories when full absolute volumes are not publicly disclosed.
For full methodological details and benchmark tables, see the latest IndexBox Thermophotovoltaic Cells market report.
This report provides an in-depth analysis of the Thermophotovoltaic Cells market in the World, including market size, structure, key trends, and forecast. The study highlights demand drivers, supply constraints, and competitive dynamics across the value chain.
The analysis is designed for manufacturers, distributors, investors, and advisors who require a consistent, data-driven view of market dynamics and a transparent analytical definition of the product scope.
This report covers thermophotovoltaic (TPV) cells, semiconductor devices that convert infrared radiation from a heat source directly into electricity. The scope includes the core photovoltaic cells and modules designed for high-temperature operation, along with key components and integrated systems specific to TPV energy conversion. The analysis encompasses the entire value chain from specialized semiconductor manufacturing to final system integration for waste heat recovery and other applications.
Thermophotovoltaic cells are primarily classified under electronics and electrical machinery categories due to their function as photovoltaic devices. They intersect classifications for photovoltaic cells, diodes, and static converters. The relevant Harmonized System (HS) codes reflect their nature as photosensitive semiconductor devices and essential electrical components of power supply systems.
World
The analysis is built on a multi-source framework that combines official statistics, trade records, company disclosures, and expert validation. Data are standardized, reconciled, and cross-checked to ensure consistency across time series.
All data are normalized to a common product definition and mapped to a consistent set of codes. This ensures that comparisons across time are aligned and actionable.
Report Scope and Analytical Framing
Concise View of Market Direction
Market Size, Growth and Scenario Framing
Commercial and Technical Scope
How the Market Splits Into Decision-Relevant Buckets
Where Demand Comes From and How It Behaves
Supply Footprint, Trade and Value Capture
Trade Flows and External Dependence
Price Formation and Revenue Logic
Who Wins and Why
Where Growth and Supply Concentrate
Commercial Entry and Scaling Priorities
Where the Best Expansion Logic Sits
Leading Players and Strategic Archetypes
Detailed View of the Most Important National Markets
How the Report Was Built
Leading in industrial TPV applications
High-profile R&D project, status uncertain
Leading startup in TPV for industrial decarbonization
Specialized TPV company
Formerly Micropower, focused on semiconductor waste heat
Research focus on novel TPV materials
Materials expertise for high-temperature emitters
Significant academic research group
Key academic institution for advanced TPV concepts
Prominent academic research
Leading European research institute
Historical and ongoing TPV research
Explored TPV for cold storage applications
Historical work on space nuclear TPV
Explored TPV for portable power
Developed TPV for silent military generators
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24.09.2026 14:23
Agri-photovoltaics combines electricity generation and agriculture on the same land – to ensure this works well in the long term, it is worth taking a closer look at the soil. Researchers at the Leibniz Centre for Agricultural Landscape Research (ZALF) have, for the first time, measured how the construction phase of agri-photovoltaic installations affects soil structure. Their study, published in the journal ‘Scientific Reports’, shows that heavy construction machinery can compact the soil in places to such an extent that plant roots subsequently struggle to grow. The good news is that such compaction can be largely avoided through targeted soil protection measures during construction.
The researchers investigated a newly built agri-photovoltaic plant on the ZALF research site in Müncheberg, Brandenburg. This plant combines agriculture with solar power generation on the same plot of land. Once construction work was completed in autumn 2024, they took soil samples and assessed, directly in the field, the extent to which the predominantly sandy soil had been compacted.

The result: in the areas where construction had taken place, the soil density in the subsoil ranged from 1.67 to 1.69 grams per cubic centimetre. Individual measurement points even reached values of 1.86 to 1.99 grams per cubic centimetre. By way of comparison: on an uncompacted control plot, the values were only 1.14 to 1.34 grams per cubic centimetre. The resistance offered by the soil to root penetration was also significantly higher – with soil pressure of 3.7 to 4.1 megapascals at medium depths.

Kathrin Grahmann, lead author of the study from ZALF, explains: “These values are well above the thresholds known for these soil types, beyond which plant root growth is restricted. In the case of sandy soils, such as those examined in our study, this is particularly problematic because they find it difficult to recover on their own.”

Why sandy soils are particularly at risk

Sandy soils have a weak soil structure, low carbon content and are barely able to regenerate on their own once compacted. Unlike clayey soils, they lack the ability to swell through natural processes such as freezing and thawing, or to become looser again through the action of soil organisms.

Heavy machinery was used during the construction phase. The construction work took place in damp soil conditions in the autumn, which further contributed to compaction. Within the three weeks prior to the start of construction, 32 millimetres of rain fell, with a further 83 millimetres during the construction phase.

The study shows that compaction did not only occur directly around the solar panel supports, but extended across the entire agricultural area between the rows of panels. This is due to frequent passage of construction machinery during installation.

Consequences for agriculture and recommendations for action

Soil compaction can have several negative consequences: roots grow less effectively, water seeps in more slowly and crop yields may ultimately decline. Studies show that, at similar levels of compaction, winter rye yields can fall by 22 to 43 per cent.

The researchers recommend that soil science supervision during construction should become standard practice in future agri-photovoltaic projects. This means that qualified specialists monitor the construction work and ensure that protective measures are implemented. These include, for example, restricting vehicle traffic to designated tracks, using ground protection plates and avoiding construction work when the ground is damp.

In the current study, such measures were not implemented. The reasons for this were the high cost of soil protection mats, delays in installation and tight deadlines imposed by the funding bodies. Following installation, mechanical and biological measures to aerate the soil were carried out on the study site, including the cultivation of alfalfa over a period of two to three years.

What does this mean for the future?

Agri-photovoltaic systems are being built with increasing frequency in Europe, as they are intended to help drive the energy transition whilst continuing to use agricultural land for food production. However, the study shows that, without suitable protective measures, soil fertility may suffer in the long term.

Future research should investigate whether the results are also transferable to other soil types and system configurations. Furthermore, long-term monitoring of soil recovery following installation is important. The costs of soil-conserving construction measures are difficult to quantify in general terms, but are estimated to be in the region of several thousand euros per hectare for soil protection slabs and specialised machinery. These costs would have to be borne by the project operators.

Avoiding agri-photovoltaics and using separate land for agriculture and energy production would prevent soil compaction, but would result in greater land use. Lighter construction machinery or the use of agricultural robots following installation could also help to protect the soil.

Project partners:

Leibniz Centre for Agricultural Landscape Research (ZALF) e. V., Müncheberg
State University of South-West Bahia – UESB, Brazil
Eberswalde University for Sustainable Development (HNEE)
Leibniz University Hannover
​Swedish University of Agricultural Sciences (SLU), Sweden

Funding acknowledgement:

Funding for this open-access project was facilitated and organised by Project DEAL. The authors Kathrin Grahmann and Lina Rohlmann would like to thank the Federal Ministry of Research, Technology and Space (BMFTR) for its support of the SoilRob early-career research group (project ID 031B1391). This work was partly funded by the German Research Foundation (DFG) as part of the Federal and State Excellence Strategy, project EXC2070–390732324 – PhenoRob.​
Dr. Kathrin​ Grahmann
Research Area 2 „Land Use and Governance“
kathrin.grahmann@zalf.de
Grahmann, K., Bastos, T.R.S., Donat, M., Rohlmann, L. & Reckling, M. (2026). Construction-induced soil compaction in agri-photovoltaic systems: evidence from an Arenosol. Scientific Reports, 16, 25529. DOI: https://doi.org/10.1038/s41598-026-65268-z, published Open Access under the CC BY 4.0 licence https://creativecommons.org/licenses/by/4.0/​.
https://www.zalf.de/en/aktuelles/Pages/PB2/Bodenschutzmassnahmen_Agri-Photovolta...

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Norfund, the Norwegian government’s development finance vehicle, has invested US$100 million into Indian renewable energy company Ampin Energy Transition.
The investment, made through Norfund’s Climate Investment Fund, will support Ampin’s deployments of roughly 2GW of utility-scale and commercial and industrial (C&I) solar PV and wind power projects across India, alongside supportive energy storage developments.
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The money will also help to expand Ampin’s solar PV manufacturing operations in India, according to Norfund, which the firm is backwardly integrating from its main C&I and utility-scale deployment business. In April, the company opened a 1.3GW solar cell production facility in Odisha alongside fellow Indian solar firm Jupiter International.
Pinaki Bhattacharyya, founder, managing director, and chief executive officer of Ampin Energy Transition said the investment “reaffirms” Ampin’s business model and place in the Indian energy industry.
“Notably, [Ampin] is now the only energy transition company in India to attract leading investors from Europe, North America and Asia,” he said. “Besides capital, Norfund also brings to Ampin a range of strategic advantages, being a global leader in energy investments, making them an ideal partner for our long-term growth.”
Norfund framed its investment around the volatile global energy market and the impact of the ongoing war in Iran. It said the issues in the Strait of Hormuz were pushing up global power prices and incentivising some governments to bet on new cheap coal generation. It said that India had 43GW of new coal power under construction.
“At a time of high gas prices, the use of cheap coal is increasing in several places around the world. That is why it is crucial that countries in economic growth gain access to capital that makes investments in renewable energy possible,” said Åsmund Aukrust, Norway’s minister of development.
Bjørnar Baugerud, executive vice president for renewable energy and head of the Climate Investment Fund at Norfund, said: “If coal power wins, it will lock the world into enormous emissions. This can be avoided if countries such as India gain access to enough risk-willing capital for profitable investments in solar and wind energy, as the Climate Investment Fund is helping to provide through this investment.”
Norfund invests in developing countries, with a focus on climate, energy infrastructure and economic growth. It is owned by the Norwegian Ministry of Foreign Affairs. It has previously invested in projects alongside Norwegian independent power producer (IPP) Scatec in Colombia and Egypt.

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Nava Limited's subsidiary has operationalised a 100 MW solar project in Zambia, initiating active power distribution. The project is backed by a 20-year Power Purchase Agreement with ZESCO Limited, with total capital investment reaching approximately $90 million.
Market snapshot: Nava Limited has successfully commissioned a 100 MW solar power plant in Zambia through its step-down subsidiary, Maamba Solar Energy Limited. Grid power evacuation has commenced under a long-term agreement with the state-owned utility, ZESCO Limited, reinforcing the group's global diversification into utility-scale clean energy operations.
Nava's successful commissioning of the Zambian solar plant is a strategic victory. Historically associated with thermal coal operations and margin-sensitive metals manufacturing, the company is effectively utilizing its deep operational infrastructure in Africa to build a predictable renewable energy vertical. Leveraging its 65% stake in Maamba Solar Energy Limited allows Nava to construct a highly defensive cash-flow model backed by long-term sovereign agreements.
The commercial launch of the 100 MW plant will immediately begin reflecting in Nava's consolidated utility segment earnings. By locking in a 20-year cash generator, Nava reduces its vulnerability to volatile commodity cycles in its standalone metals and ferroalloys division. The successful project execution also elevates Nava's credit profile, creating a replicable framework for prospective green energy bids in surrounding Sub-Saharan nations.
Market Bias: Bullish
The commissioning of the 100 MW facility operationalises a highly visible revenue stream under a 20-year agreement. This contract strengthens consolidated cash flows, which are already robust following a record quarterly total income of ₹1,269 crore in Q1 FY27.
Overweight: Electric Utilities, Renewable Energy
Trigger Factors:
Time Horizon: Medium-term (3-12 months)
Zambia has actively scaled solar and hydroelectric generation infrastructure to resolve chronic mining sector and municipal power deficits. State utility ZESCO has expanded local transmission networks to accommodate utility-scale independent power producers. Extending its existing 300 MW coal-fired footprint in Sinazongwe, Nava's entry into the local solar segment aligns cleanly with regional decarbonisation policies.
Nava's Q1 FY27 consolidated total income reached an all-time quarterly high of ₹1,269 crore, driven by robust performance across its power and mining operations. Additionally, in June 2026, Nava's board approved the corporate amalgamation of its wholly owned Singapore subsidiaries, Nava Healthcare and Nava Global, as part of an internal restructuring.
By successfully transitioning its first utility-scale solar asset from development to commercial generation, Nava has systematically upgraded its global energy profile. This milestone establishes a reliable revenue foundation in Africa and provides a solid operational blueprint for sustainable expansion.
High Performance Trading with SAHI.
Disclaimer: This news section may include AI-generated or AI-assisted news, summaries, drafts, or insights. All content is subject to human review before publication. While we aim for accuracy, readers should independently verify information before relying on it.
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PV and energy storage manufacturer Risen Energy has produced the first batch of pHJT CIC (Coverglass-Interconnected Space Solar Cell) products under its RisenFlex Nova series. The cells use 70 μm ultra-thin p-type HJT technology and can be customized in sizes ranging from 30×40 mm to 210×105 mm for space PV applications, including satellite solar arrays. According to company data, under the AM0 space solar spectrum, the 40×80 mm CIC product has a beginning-of-life (BOL) efficiency above 20%, an areal power density exceeding 272 W/m² and a specific power above 565 W/kg, while its end-of-life (EOL) efficiency remains above 16%.
State Grid East Inner Mongolia Electric Power Co., Ltd. and a Tsinghua University research team have commissioned China’s “first” fixed-frequency grid-forming wind-solar-storage microgrid designed to secure power supply at the end of the grid in pastoral areas. Located in Chen Barag Banner, Hulunbuir, Inner Mongolia, the project provides electricity to 122 herder households through a multi-energy system combining wind power, solar PV and battery storage. The storage system can stabilize voltage and frequency and smooth fluctuations in renewable generation and electricity demand while operating in grid-connected mode. If the external grid fails, the system can switch seamlessly to independent grid-forming operation and maintain stable electricity supply for at least three days.
GoodWe’s subsidiary, Huidian Technology, has launched Megatron, an autonomous power trading agent that has completed live, end-to-end trading validation at a power retailer in Anhui province. Megatron is designed to support end-to-end automated trading in spot power markets with frequent clearing cycles. For electricity retailing, the system can operate without human intervention across market analysis, strategy generation, risk checks, bid submission and execution, and post-trade attribution, according to Huidian Technology.
Megatron uses a “1+6” multi-agent architecture comprising 1 central commander and 6 domain-specific expert agents. This is supported by a knowledge base of power trading rules across multiple Chinese provinces. It offers 4 operating modes ranging from L1 assisted recommendations to L4 automated execution, with pre-submission compliance checks, automated risk controls and manual takeover capabilities. GoodWe says it has more than 100 GW of cumulative installations globally, providing Huidian Technology with access to a large pool of real-world energy asset operating data.
Display technology company, BOE, plans to define within the next year its investment plans for mass-production lines for glass-based perovskite devices and glass-based packaging substrates, Chairman Yanshun Chen said at the BOE Global Innovation Partner Conference 2026.
According to financial media, XINHUA FINANCE, the company aims to advance optoelectronic integration products toward large-scale applications. BOE has established a full-process perovskite PV R&D platform spanning laboratory research to pilot production and has set 4 world records for module efficiency, according to Chen. In glass-based packaging substrates, it has produced and submitted large-size, high-layer-count samples for customer evaluation and expects to meet the conditions for a mass-production investment decision in H1 2027.
As per a procurement notice, Chinese power and energy developer, POWERCHINA, plans to procure energy storage systems (ESS) and integrated installation services for the Ningxia Xiangteng No. 2 and No. 3 energy storage power stations from JDEnergy. Located in the Ningdong Energy and Chemical Industry Base in Ningxia, both projects have a combined capacity of 1 GW/4 GWh. Each project comprises a 500 MW/2 GWh energy storage power station and a 330 kV step-up substation.
TaiyangNews 2024

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Vikram Solar has retained the Top Brand PV India recognition in modules for the second consecutive year.
September 24, 2026. By EI News Network
Vikram Solar Ltd. has been recognised as a Top Brand PV India 2026 in the modules category by Germany-based EUPD Research Sustainable Management GmbH, marking the second consecutive year the company has received the recognition.
The Top Brand PV Seal is based on an independent survey of solar installers conducted by EUPD Research, covering customer relationships, customer satisfaction and distribution. Vikram Solar was also recognised as a Top Brand PV India in 2025.
Vikram Solar CMD Gyanesh Chaudhary said thar the recognition for the second consecutive year reflects the trust of installers and partners and the company’s commitment to quality, performance and service.

EUPD Research Chief Customer Officer Daniel Fuchs congratulated Vikram Solar, saying that the Top Brand PV Seal reflects installers’ assessment of the brands they work with and recognises the standing the company has established in India’s solar market and clean energy transition..
EUPD Research has been analysing perceptions of PV market intermediaries and end customers for more than two decades. Its Top Brand PV Seal is based on independent installer surveys, market analysis and brand performance indicators.
Vikram Solar was also awarded the EcoVadis Platinum Medal at the group level for the second consecutive year. Vikram Solar has an international presence across 39 countries. The company has a network of more than 110 authorised distributors and over 550 dealers in India.

Mahindra Susten’s MD Avinash Rao Says India Needs Balanced Energy Mix for Reliable Transition

Solar Industry Must Adapt to Integrated Manufacturing Ecosystem: ISMA’s Amit Manohar

India on Way to Become RE Superpower over the Next Decade: SunBridge Group Chairman

Deep-Tech Startups Must Bridge Commercialisation Gap, Says Shell India’s Debasis Goswami

Renewable Procurement Must Become More Flexible, Scalable, Says Dhananjay Kumar, ENGIE

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“Even with dielectric unions that area will still corrode over a period of time.”
Photo Credit: Reddit
After noticing corrosion at the top of a five-year-old water heater, one homeowner went to the r/askaplumber subreddit to find out whether the damage was minor or a warning sign of a bigger problem. Plumbers in the thread said it could point to more than ordinary surface rust.
The homeowner posted the question on Reddit with an image of the damage.
“Had this AO Smith water heater installed 5 years ago,” they wrote. “It has a 9 year warranty. Noticed this corrosion last night. Can just this portion be replaced? Or does the whole heater need to be replaced?”
Several commenters pointed to the same general issue. The corroded spot was at a joint plumbers often see deteriorate over time where different metals come together. 
“That is a common failure point,” one commenter wrote. “Even with dielectric unions that area will still corrode over a period of time.”
Other replies put more blame on how the unit was installed. 
One poster countered: “Bad install. They should have used a dielectric press fitting. The contractor should warranty it…..”
If a water heater does need to be replaced, there can be a financial upside to choosing a more efficient model. Upgrading to a heat pump water heater can cut water-heating costs substantially, and some households may save around $550 per year compared with a standard electric resistance unit.
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A small drip at the top fitting can stain pipes, wear away components, and eventually cause costly water damage, especially in a finished basement or utility closet near stored belongings.
The discussion included a range of possible causes. Some commenters mentioned electrolysis or an installation problem, while others raised condensation or hot flue gases spilling onto the cold-water line. 
“Check your sacrificial anode, the reason they are in water heaters is to keep this from happening,” another commenter suggested/ 
That kind of issue may also fall outside what homeowners assume a warranty will cover. A nine-year warranty can sound reassuring at the time of purchase, but fittings, nipples, unions, and installation choices can fail sooner and may not qualify as a tank failure.
Even when the repair is relatively minor, waiting too long can turn a simple part replacement into a flooded room and a much larger bill.
A plumber can inspect the corroded nipple, fitting, and dip tube connection to confirm whether the leak is coming from the joint, the pipe above it, or the tank opening itself. If it’s actively dripping, moving quickly can help prevent structural damage and mold issues.
If the tank itself is still in good shape, the repairs suggested in the thread focused on replacing the corroded part and improving the connection hardware. 
If a full replacement makes more sense, Cala offers a more efficient alternative. Its customizable smart heat pump water heaters help homeowners decrease their energy bills by heating water exactly when it’s needed. That can reduce wasted energy while still delivering hot water when the household actually uses it.
Cala‘s approach also gives homeowners more control over timing and demand, which can be especially useful in homes trying to lower utility costs. For anyone already facing a water-heater decision, learning about Cala could turn an annoying repair into a longer-term money-saving upgrade.
Other homeowners have encountered similar water-heater problems and the repair-or-replace decisions that come with them. There are some simple ways to preserve your water heater and ward off issues as long as possible.
• A failing anode and whole-house softeners can kill tanks faster than many homeowners realize.
• Simple flushing and inspection habits can keep your water heater running longer.
• An outdated unit sputtering during renovations drew plumbers who sounded off on the setup.
Get TCD’s free newsletters for easy tips, smart advice, and a chance to earn $5,000 toward home upgrades. To see more stories like this one, change your Google preferences here.
© 2025 THE COOL DOWN COMPANY. All Rights Reserved. Do not sell or share my personal information. Reach us at hello@thecooldown.com.

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Stay on top of sector news with with Renewables Now. Get access to extra articles and insights with our subscription plans and set up your own focused newsletters and alerts.

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The proposed APECO and Huge Energy project is planned to reach 1 GW across three development phases
The initial 100 MW phase will combine solar, battery storage and a substation
Later phases will add solar and waste-to-energy generation, subject to further studies and approvals
The Aurora Pacific Economic Zone and Freeport Authority (APECO) and Huge Energy Co., Ltd. have signed a memorandum of understanding (MOU) to explore a renewable energy and energy storage project with up to 1 GW of generation capacity in the Philippines. 
Casiguran-based ecozone in Aurora province of the Philippines will host the project which will include solar PV generation, battery energy storage system (BESS) and a high-capacity substation.
Huge Energy, a solar panel manufacturer, will undertake the project with South Korean EPC firm Dong-A Global Co., Ltd.
APECO is allocating 90 hectares of land for the proposed development. The authority said the project is part of its efforts to strengthen energy infrastructure within the ecozone and support future industrial and manufacturing activity.
The proposed project will be developed in three phases, with the first phase targeting about 100 MW. In the initial phase, the project will combine solar PV, battery energy storage system (BESS) and a substation.
Under phase II, it will add 350 MW of generation capacity using a mix of solar and waste-to-energy technologies. The third phase is expected to add another 550 MW, bringing the planned total to 1 GW.
“Power precedes progress. Before industries can operate, businesses can expand, and investments can come in, we need reliable and sustainable power,” said APECO President and CEO Gil G. Taway IV. He added that the project is intended to accelerate energy infrastructure development within APECO, including substations and potentially transmission facilities.
According to Taway, the initiative is also aimed at improving power availability and affordability in the ecozone, Aurora province and the country.
The partnership will cover several stages of project development, including planning and engineering, feasibility studies, permits and government approvals, grid interconnection, equipment procurement, power offtake arrangements and financing, among others. APECO said each phase will remain subject to technical and financial feasibility studies, due diligence, grid requirements and applicable government approvals.
The Philippines government is advancing renewable energy deployment in the country, including solar as the country faces soaring electricity prices, and fuel supply constraints. The government targets 35% renewable energy share by 2030 and 50% by 2050, with solar expected to contribute around 21 GW and 50 GW, respectively. TaiyangNews Solar Market Intelligence Brief for the Philippines market is available for free download here.
TaiyangNews 2024

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PV and energy storage manufacturer Risen Energy has produced the first batch of pHJT CIC (Coverglass-Interconnected Space Solar Cell) products under its RisenFlex Nova series. The cells use 70 μm ultra-thin p-type HJT technology and can be customized in sizes ranging from 30×40 mm to 210×105 mm for space PV applications, including satellite solar arrays. According to company data, under the AM0 space solar spectrum, the 40×80 mm CIC product has a beginning-of-life (BOL) efficiency above 20%, an areal power density exceeding 272 W/m² and a specific power above 565 W/kg, while its end-of-life (EOL) efficiency remains above 16%.
State Grid East Inner Mongolia Electric Power Co., Ltd. and a Tsinghua University research team have commissioned China’s “first” fixed-frequency grid-forming wind-solar-storage microgrid designed to secure power supply at the end of the grid in pastoral areas. Located in Chen Barag Banner, Hulunbuir, Inner Mongolia, the project provides electricity to 122 herder households through a multi-energy system combining wind power, solar PV and battery storage. The storage system can stabilize voltage and frequency and smooth fluctuations in renewable generation and electricity demand while operating in grid-connected mode. If the external grid fails, the system can switch seamlessly to independent grid-forming operation and maintain stable electricity supply for at least three days.
GoodWe’s subsidiary, Huidian Technology, has launched Megatron, an autonomous power trading agent that has completed live, end-to-end trading validation at a power retailer in Anhui province. Megatron is designed to support end-to-end automated trading in spot power markets with frequent clearing cycles. For electricity retailing, the system can operate without human intervention across market analysis, strategy generation, risk checks, bid submission and execution, and post-trade attribution, according to Huidian Technology.
Megatron uses a “1+6” multi-agent architecture comprising 1 central commander and 6 domain-specific expert agents. This is supported by a knowledge base of power trading rules across multiple Chinese provinces. It offers 4 operating modes ranging from L1 assisted recommendations to L4 automated execution, with pre-submission compliance checks, automated risk controls and manual takeover capabilities. GoodWe says it has more than 100 GW of cumulative installations globally, providing Huidian Technology with access to a large pool of real-world energy asset operating data.
Display technology company, BOE, plans to define within the next year its investment plans for mass-production lines for glass-based perovskite devices and glass-based packaging substrates, Chairman Yanshun Chen said at the BOE Global Innovation Partner Conference 2026.
According to financial media, XINHUA FINANCE, the company aims to advance optoelectronic integration products toward large-scale applications. BOE has established a full-process perovskite PV R&D platform spanning laboratory research to pilot production and has set 4 world records for module efficiency, according to Chen. In glass-based packaging substrates, it has produced and submitted large-size, high-layer-count samples for customer evaluation and expects to meet the conditions for a mass-production investment decision in H1 2027.
As per a procurement notice, Chinese power and energy developer, POWERCHINA, plans to procure energy storage systems (ESS) and integrated installation services for the Ningxia Xiangteng No. 2 and No. 3 energy storage power stations from JDEnergy. Located in the Ningdong Energy and Chemical Industry Base in Ningxia, both projects have a combined capacity of 1 GW/4 GWh. Each project comprises a 500 MW/2 GWh energy storage power station and a 330 kV step-up substation.
TaiyangNews 2024

source

Qair Renewables UK, operating through Green Switch Capital, has secured consent for the Rogerhill solar and battery energy storage project in South Lanarkshire.
The company said Scottish Ministers granted consent through the Scottish Government’s Energy Consents Unit on 30 July 2026.
Qair added that the 98MW solar development is understood to be the largest solar farm to receive planning consent in Scotland to date.
The project will also incorporate a 100MW battery energy storage system to store electricity and release it when it is most valuable to the grid.
Rogerhill will be located on approximately 136 hectares of non-prime agricultural land at Rogerhill Farm, near Blackwood and Kirkmuirhill.
Once operational, the project is expected to generate enough renewable electricity to meet the equivalent annual needs of approximately 28,675 homes and avoid over 40,000 tonnes of carbon dioxide emissions each year.
“Securing consent for Rogerhill is a significant milestone for Qair and for the continued development of solar energy in Scotland,” said Qair UK head of Scottish development Pete McLaren.
“As the largest solar project to receive planning approval in the country to date, Rogerhill demonstrates the increasingly important role that solar and battery storage can play in creating a more flexible, secure and low-carbon energy system.
“We recognise the scale of the development and the strength of local interest around the project.”
Technical and environmental matters assessed during the consenting process included landscape and visual impact, ecology and biodiversity, archaeology and cultural heritage, flood risk and drainage, transport, noise, BESS safety, and glint and glare.
Qair will continue to engage with local residents, community representatives and other stakeholders as Rogerhill moves into its next stage of development.
Further detailed plans, including measures relating to construction traffic and site management, will be developed and agreed ahead of construction.
The company said it is committed to prioritising local contractors where possible and providing a community benefits and enhancements package.
Qair worked with specialist advisers including SLR Consulting and Natural Power throughout the development and consenting process.
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Data center technology startup Rune has launched its RELIC (Renewable Energy Linked Intelligent Compute) system alongside a $40 million Series A funding round to construct modular micro data centers directly on-site at operating solar farms.
The funding round was led by Spark Capital, with participation from Union Square Ventures, Lowercarbon Capital, Activate Capital, Committed Capital, Timeless Partners, and Logos Fund. The Series A brings Rune’s total funding to $53.5 million.
San Francisco-based Rune addresses critical AI power shortages by physically placing data center infrastructure inside existing solar installations. By installing hardware behind the meter, the modular units tap clipped and curtailed electricity straight from the array, bypassing utility grid connections, substations, and multi-year interconnection queues entirely.
Grid bottlenecks force utility-scale solar facilities across the United States to waste or curtail more than 50 TWh of generation annually, representing up to 20% of an operating plant’s output. Rune’s on-site RELIC enclosures connect directly to the solar field’s native DC power, eliminating AC conversion losses, using zero water cooling, and reducing non-compute capital costs by 85% compared to constructing traditional off-site facility builds.
Rune said its modular, on-site units take 60 minutes to physically deploy on location, bringing GPU clusters online in as little as six weeks. The company has already placed an active RELIC installation inside a 200 MW operating solar farm in Texas, running off-grid directly alongside the solar hardware without modifying the existing site footprint or transmission equipment.
“Every solar plant is a latent data center. The power is already there, sitting idle while AI labs wait years for grid connections that may never come,” said William Layden, Co-Founder and CEO of Rune. “We built RELIC to close that gap with compute that’s online in days, powered by energy the grid was throwing away.”
Rune was co-founded by Layden, a former clean energy executive at SoftBank Energy and Cube Hydro, and CTO Varun Palivela, a semiconductor architect formerly with NUVIA, Qualcomm, and Arm. The startup will use the new capital to secure additional host agreements with solar asset owners and scale its on-site compute footprint for enterprise AI clients.
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Leading Chinese PV manufacturer LONGi has unveiled a hybrid interdigitated back contact (HIBC) solar cell with a conversion efficiency of 28.29%, a record for the company.
The new cell builds on a previous record of 28.13%, set in April, and marks the third time this year that the company has broken its record for HIBC cell efficiency. As was the case in April, the latest efficiency record was certified by the Institute for Solar Energy Research Hamelin (ISFH) in Germany.
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LONGi showcased the new cells at an industry event this week in Romania, alongside 700W modules into which the new cells will be integrated. The company added that it has reached “successful mass production” of these modules, but did not specify if they have been made available for sale yet; PV Tech has asked the company for more information on these modules.
The news follows advances across a number of solar technologies in LONGi’s portfolio, as part of its plans to invest in “multiple mainstream cell technologies”. Earlier this year, the company developed a silicon-perovskite tandem solar cell with a conversion efficiency of 35.5%, marking an efficiency improvement of almost two percentage points in the last three years.
LONGi’s latest announcement comes following a challenging few months for the company and a number of other leading Chinese firms. In the first half of the year, LONGi Green posed net losses of as much as RMB4.2 billion (US$630 million), which would be on pace to exceed the RMB6.5 billion in losses endured in the entirety of 2025.
Crucially, back contact (BC) has emerged as an important technology to navigate through this challenging period, with LONGi Green posting a rise in the share of its BC module sales in the first half of this year, and fellow industry leader GCL-SI retrofitting existing lines for BC production. New rules in China could help eliminate “low-cost, outdated technology,” according to a report from PV Tech Research, and could encourage greater investment in higher-efficiency technologies such as BC.

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“I can’t imagine a whole monobloc install would be cost effective compared to just a HPHW tank.”
Photo Credit: iStock
A U.K. cabin builder caught in a conundrum while choosing a domestic hot water system for a small, well-insulated cabin took to Reddit for answers.
The debate in the Reddit thread about whether a ducted heat pump water heater or a split system made more sense offers a useful lesson for homeowners comparing a heat pump water heater with a simpler tank-based option.
On the Reddit forum r/ukheatpumps, the poster described a “small, well insulated cabin” that already relied on two air-to-air heat pumps for space heating.
For homeowners replacing electric resistance hot water, the appeal of a heat pump water heater is fairly simple. A heat pump can use far less electricity to deliver the same amount of hot water, helping reduce energy bills over time. In the Reddit discussion, the original poster put that logic plainly, saying it “pains me to turn electricity directly into heat when I could be getting 3x the heat with a pump.”
They were trying to decide whether a ducted Vaillant aroSTOR 71-gallon (270-liter) hot water unit costing about £2,500 (around $3,300) made the most sense, or whether a split setup with an outdoor condenser could deliver a better coefficient of performance (COP).
Most of the feedback framed the pursuit of a better hot-water COP as not worth the added hassle. Commenters said a split system would likely add expense and complexity without producing enough real-world savings to justify it.
One commenter wrote: “Hot water COPs are poor because of the high temps involved. I can’t imagine a whole monobloc install would be cost effective compared to just a HPHW tank.” 
Another point raised repeatedly was that dishwashers and washing machines often contribute less to hot water demand than buyers expect. Commenters also warned that a large tank can become a drawback when use is light or irregular, citing oversized cylinders and the need for legionella cycles if hot water sits unused for extended periods.
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Producing hot water is an entirely different job for a heat pump than space heating. Because these systems usually operate most efficiently at lower temperatures, making hotter water for taps and showers typically reduces efficiency compared with normal heating use.
With only two occupants in the cabin, some commenters suggested simpler options such as a smaller unvented cylinder or an immersion-based setup. Others said that if the cabin will only be occupied occasionally, easier maintenance and lower upfront cost may matter more than a marginally better COP on paper.
More storage is not automatically better if a household’s hot water use is relatively low. A larger tank can mean extra wasted energy, more floor space devoted to equipment, and more oversight than the system actually needs.
By the end of the thread, the original poster appeared to be leaning toward the simpler route, with ducting for a dedicated hot water unit looking easier than a more elaborate installation.
For shoppers weighing water-heating options, it often makes more sense to start with real-life usage than with headline efficiency claims. Map out occupant count, number of showers, occupancy patterns, pipe runs, electricity rates, and whether solar or batteries are part of the setup. Those details can matter more than marketing claims about peak efficiency.
For households that do want a smarter heat-pump-based option, Cala is one company worth knowing. Cala makes smart heat pump water heaters designed to respond to household demand patterns rather than heating a big tank the same way all day. Its customizable smart heat pump water heaters help homeowners decrease their energy bills by heating water exactly when it’s needed.
That kind of control could be especially helpful for people trying to balance hot water production with rooftop solar, battery storage, or time-of-use electricity pricing. Buyers looking for that kind of approach may want to keep an eye on Cala alongside more conventional tank and split-system options.
The original poster seemed to reach a similar conclusion: “Yeah I think the cost/complexity of a split system vs cutting two vent holes makes it an easy choice.”
If you’re weighing similar options, the articles below look at the same tradeoffs around water-heating efficiency, upfront cost, and installation complexity. They cover heat pump water heater pricing, a U.K. heat pump journey, and the benefits of tankless systems.
• For homeowners weighing upgrades, heat pump water heater costs often decide whether efficiency pays off.
• In the U.K., one homeowner chased a 400%-efficient heat pump before the installation tradeoffs piled up.
• For some households, a tankless water heater can cut standby losses and trim bills.
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Spotlight Delaware
Empowering Delawareans with Independent Local News
Why Should Delaware Care?
Gov. Matt Meyer has pushed for more solar projects as an environmentally friendly way for the state to generate more energy. But some feel the projects are covering too much farmland and could harm local ecosystems. 
The debate over whether solar panels are fit for farmland has reached rural New Castle County. 
More than 400 people have signed petitions calling on county officials to stop a proposed 60-acre solar development on a piece of leased farmland in Port Penn, a small, unincorporated village just below the C&D canal. 
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The project is allowed on the land under the county’s existing zoning rules and will not require a public hearing. New Castle County Councilman Kevin Caneco, who represents the area, hosted a town meeting about the project in July. 
About 200 people attended, according to Donna Laws, an area resident who lives next to the land proposed for the project. It was held the night of a tornado warning in the county, and she said no one left when they got the warning.
“They were all up in arms,” Laws said. “Nobody wants it here.” 
The backlash to solar projects on farms is not new to Delaware. Kent County lawmakers banned large-scale solar projects in agricultural zones in 2022. Smaller “community solar” projects are an exception. 
Some farmers argue that solar projects can make farmland more expensive and also reduce the number of acres available for crops. While the land covered by solar panels could theoretically go back to being farmed after a project lease ends, it can be difficult to restore the health of the soil.  
TurningPoint Energy, the company behind the Port Penn project, said in an emailed statement that it will help the state meet its green energy goals. 
Gov. Matt Meyer has encouraged similar projects in the past. Earlier this year, he fast-tracked permits for some solar projects. He also signed a bill that guarantees power bill discounts for those who sign up for community solar projects. 
Meyer and other solar proponents have said generating more power in-state could help lower the rising energy costs that are leading to high electric bills. The cost to build solar has dropped to about a third of what it was in 2011, and it is also the fastest resource to build. 
In 2025, about 8% of Delaware’s total in-state electricity generation came from renewable sources, mostly solar, according to the U.S. Energy Information Administration. 
State law calls for that figure to reach 40% by 2035.
Caneco said he will discuss the project, among other topics, at a town hall meeting on Oct. 8 at 6:30 p.m. at the Odessa Fire Hall at 304 Main St. in Odessa.  
Laws, who neighbors the proposed solar field, said she has many concerns about the project, especially its impact on the environment. 
The field where the panels would go is not far from Thousand Acre Marsh, a sprawling coastal habitat nestled along the Delaware River and C&D Canal. Since the solar panels would be built on either side of wetlands on the property, the builders will have to make a temporary 20-foot path through sensitive habitats during construction. 
Laws worries that power-related infrastructure could increase the risk of fires, among other concerns. The local volunteer fire company has requested the solar company provide additional equipment and training in case of any solar-specific hazards. 
Drew Slater, executive director of Energize Delaware, said with the many smaller-scale solar projects he has helped build on farmland, he has never seen the safety concerns Laws raised. 
“[Solar panels] are extraordinarily safe,” he said. 
Laws said she also feels that if one solar project is built nearby, more will follow, changing the character of her rural neighborhood. 
TurningPoint Energy representatives said they have added additional landscaping buffers to address her concerns and “welcome any further specific feedback and remain committed to ongoing dialogue with community members.”  
Laws does not oppose solar, she said, but thinks it should be built in more developed areas, like on rooftops or over parking lots. 
Caneco, the county councilman who represents the area, said he agrees. While he acknowledged that building solar panels in developed areas can be more expensive, he said it is also important to preserve farmland. 
Delaware’s environmental agency added a new grant program last month that provides rebates of up to $100,000 for constructing “solar canopies,” or raised structures with solar panels that are typically built over parking lots. 
Some of the opponents are calling for the county to prohibit large-scale solar projects on farms. Caneco said he and at least two other council members are exploring potential changes to local laws involving solar projects. 
When asked for details about Laws’ opposition, she had a packet of information ready. 
She said it came from a new website, called Delaware Spending. The blog, which does not have any information about who runs it, has posted multiple articles about the project. 
Laws said she has worked with the person behind the blog, but that he does not want to be named.
“He’s my Batman,” she said. 
Some of the videos on the blog’s Facebook page have over 100,000 views. Facebook previously labeled some of its content as AI generated. 
When asked via email about the project, the person behind Delaware Spending responded,   “I’m not part of this story and don’t want to be.” 
Spotlight Delaware exists to serve the people of this state, not political parties, corporations, or special interests.
As a nonprofit newsroom, we rely on readers like you to fund this work. When you become a member of Spotlight Delaware, you help keep our reporting free, independent and accessible to all Delawareans.

Olivia Marble comes to Spotlight Delaware from Lehigh Valley Public Media, where she covered residential and industrial development in the booming suburbs of the region. As Spotlight Delaware’s land… More by Olivia Marble
Empowering Delawareans with Local News and Information

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“That’s like $8,000-$10,000 high at California prices, and you’re in Louisiana.”
Photo Credit: Tesla
A Louisiana homeowner looking to expand a home battery backup setup got a jarring estimate when they were quoted $24,000 to add a Tesla Powerwall 3 to an existing Powerwall 2. 
The homeowner took to Reddit’s r/solar community to “get some opinions.”
The original poster explained: “I was looking at adding a PW3 to an existing PW2 system since they are now compatible. I was quoted at $24,000 which seems quite high to me, but I could be wrong.”
Most replies in the Reddit thread treated that figure as unusually expensive.
The top comment read: “First off, $24,000 for a 13.5kwh powerwall3 is highway robbery. That’s like $8,000-$10,000 high at California prices, and you’re in Louisiana.” 
“Seems quite high because it is high,” another user added.
A third commenter put it this way: “I would think no more than 10k. There’s more to that price, like does a car come with it?”
Whether the two Powerwall generations can actually be paired became its own point of debate in the thread.
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One commenter initially insisted: “You [also] cannot integrate a powerwall3 into a powerwall2. They are not compatible.”
The OP then linked to Tesla‘s Backward Compatibility page, and another commenter replied: “Check with your installers for detail[s]. Tesla released the training for this via the portal last month. There are limitations.”
For homeowners considering a battery upgrade, the safest move is to always get multiple bids and ask for a fully itemized quote covering hardware, labor, permitting, and any electrical or gateway upgrades. It is also wise to ask installers to confirm in writing that the exact battery combination is supported for your system.
Still, battery storage is also one of the most practical upgrades for households that already have solar. It can help keep essential devices running during outages, store excess daytime solar power for later use, and reduce how much expensive electricity a household needs to draw from the grid.
Homeowners who want to compare options can explore EnergySage for information on home battery storage options, including competitive installation estimates, and EnergySage has teamed up with the electrification brand Qmerit to help guarantee you get the best price on home battery storage solutions.
For people who do not need a full Powerwall-style installation, Pila offers another strong backup option. Its plug-and-play batteries are priced at a fraction of what a whole-home backup system would cost, which could make them a better fit for renters or anyone who only needs to power a few essentials.
For more context on Powerwall 3 and the broader home battery market, start with these stories. They cover the battery’s features, its overseas rollout, and how quickly Powerwall installations are growing.
• Tesla confirmed several game-changing details about Powerwall 3, including a higher-power home energy design.
• Tesla started its European launch of Powerwall 3 in the U.K. and Germany.
• Tesla’s home battery business passed half a million installations worldwide as Powerwall adoption kept climbing.
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A photovoltaic reuse initiative in Kassel, Germany, has repurposed 300 used solar modules to create 150 balcony PV systems.
The panels, which had operated for 13 years on the roof of an industrial building, were inspected, refurbished and distributed to participants in an upcycling project organized by ClimateHub Kassel and solar collective SoLocal Energy.
The project began with inspections of the 300 recovered modules. Twelve panels showed minor defects and were discarded, while the remaining modules were cleaned and fitted with new connectors for use in balcony PV systems. The recovered modules represent around 6 metric tons of material that would otherwise have entered recycling streams, where only certain material fractions can be recovered.
The organizers introduced a tiered pricing model to make the systems accessible to households with different budgets. Complete packages include modules, an inverter, mounting equipment, cabling and accessories, as well as electrical connection, system registration and monitoring setup.
A system comprising two 325 W CSW Excellent modules, for a total capacity of 650 W, costs €825 ($937) under the subsidized tariff, €1,000 at the standard rate and €1,175 under the solidarity tariff. A single-module system costs €650, €775 and €900, respectively. A four-module configuration using CSW Diamond panels has a combined capacity of 1.78 kW and costs €2,025 under the highest pricing tier specified by the organizers.
Participants can also collect the equipment and install the systems themselves. Two-module systems are supplied with a Hoymiles HMS-800W-2T microinverter. Three- and four-module systems use either two SUN-M80 units or one Hoymiles HMS-1600-4WB inverter, with dynamic power control limiting total output to 800 W.
An optional storage package, comprising a Zendure SolarFlow 800 Pro 2 battery and an energy meter, costs an additional €600 to €700, depending on the pricing tier. Professional-grade modules are also available for €30 more per panel than the Diamond modules.
Several local organizations provided logistical and technical support. Bauteilbörse handled 13 pallets of modules, while BürgerSolarBeratung and energy cooperative Bürgerenergiegenossenschaft Kassel & Söhre provided technical assistance. Cargo bikes were made available to help participants transport the modules.
German nonprofit organization Deutsche Gesellschaft für Sonnenenergie (DGS) also made a donation to reduce the cost of inverters and mounting equipment for some low-income households.
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Spotlight Delaware
Empowering Delawareans with Independent Local News
Why Should Delaware Care?
Gov. Matt Meyer has pushed for more solar projects as an environmentally friendly way for the state to generate more energy. But some feel the projects are covering too much farmland and could harm local ecosystems. 
The debate over whether solar panels are fit for farmland has reached rural New Castle County. 
More than 400 people have signed petitions calling on county officials to stop a proposed 60-acre solar development on a piece of leased farmland in Port Penn, a small, unincorporated village just below the C&D canal. 
Know what’s happening today, so you know what to do tomorrow. Get our free newsletter delivered right to your inbox – six days a week.
The project is allowed on the land under the county’s existing zoning rules and will not require a public hearing. New Castle County Councilman Kevin Caneco, who represents the area, hosted a town meeting about the project in July. 
About 200 people attended, according to Donna Laws, an area resident who lives next to the land proposed for the project. It was held the night of a tornado warning in the county, and she said no one left when they got the warning.
“They were all up in arms,” Laws said. “Nobody wants it here.” 
The backlash to solar projects on farms is not new to Delaware. Kent County lawmakers banned large-scale solar projects in agricultural zones in 2022. Smaller “community solar” projects are an exception. 
Some farmers argue that solar projects can make farmland more expensive and also reduce the number of acres available for crops. While the land covered by solar panels could theoretically go back to being farmed after a project lease ends, it can be difficult to restore the health of the soil.  
TurningPoint Energy, the company behind the Port Penn project, said in an emailed statement that it will help the state meet its green energy goals. 
Gov. Matt Meyer has encouraged similar projects in the past. Earlier this year, he fast-tracked permits for some solar projects. He also signed a bill that guarantees power bill discounts for those who sign up for community solar projects. 
Meyer and other solar proponents have said generating more power in-state could help lower the rising energy costs that are leading to high electric bills. The cost to build solar has dropped to about a third of what it was in 2011, and it is also the fastest resource to build. 
In 2025, about 8% of Delaware’s total in-state electricity generation came from renewable sources, mostly solar, according to the U.S. Energy Information Administration. 
State law calls for that figure to reach 40% by 2035.
Caneco said he will discuss the project, among other topics, at a town hall meeting on Oct. 8 at 6:30 p.m. at the Odessa Fire Hall at 304 Main St. in Odessa.  
Laws, who neighbors the proposed solar field, said she has many concerns about the project, especially its impact on the environment. 
The field where the panels would go is not far from Thousand Acre Marsh, a sprawling coastal habitat nestled along the Delaware River and C&D Canal. Since the solar panels would be built on either side of wetlands on the property, the builders will have to make a temporary 20-foot path through sensitive habitats during construction. 
Laws worries that power-related infrastructure could increase the risk of fires, among other concerns. The local volunteer fire company has requested the solar company provide additional equipment and training in case of any solar-specific hazards. 
Drew Slater, executive director of Energize Delaware, said with the many smaller-scale solar projects he has helped build on farmland, he has never seen the safety concerns Laws raised. 
“[Solar panels] are extraordinarily safe,” he said. 
Laws said she also feels that if one solar project is built nearby, more will follow, changing the character of her rural neighborhood. 
TurningPoint Energy representatives said they have added additional landscaping buffers to address her concerns and “welcome any further specific feedback and remain committed to ongoing dialogue with community members.”  
Laws does not oppose solar, she said, but thinks it should be built in more developed areas, like on rooftops or over parking lots. 
Caneco, the county councilman who represents the area, said he agrees. While he acknowledged that building solar panels in developed areas can be more expensive, he said it is also important to preserve farmland. 
Delaware’s environmental agency added a new grant program last month that provides rebates of up to $100,000 for constructing “solar canopies,” or raised structures with solar panels that are typically built over parking lots. 
Some of the opponents are calling for the county to prohibit large-scale solar projects on farms. Caneco said he and at least two other council members are exploring potential changes to local laws involving solar projects. 
When asked for details about Laws’ opposition, she had a packet of information ready. 
She said it came from a new website, called Delaware Spending. The blog, which does not have any information about who runs it, has posted multiple articles about the project. 
Laws said she has worked with the person behind the blog, but that he does not want to be named.
“He’s my Batman,” she said. 
Some of the videos on the blog’s Facebook page have over 100,000 views. Facebook previously labeled some of its content as AI generated. 
When asked via email about the project, the person behind Delaware Spending responded,   “I’m not part of this story and don’t want to be.” 
Spotlight Delaware exists to serve the people of this state, not political parties, corporations, or special interests.
As a nonprofit newsroom, we rely on readers like you to fund this work. When you become a member of Spotlight Delaware, you help keep our reporting free, independent and accessible to all Delawareans.

Olivia Marble comes to Spotlight Delaware from Lehigh Valley Public Media, where she covered residential and industrial development in the booming suburbs of the region. As Spotlight Delaware’s land… More by Olivia Marble
Empowering Delawareans with Local News and Information

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Websol Energy System Ltd has secured 21.9 hectares of land at Falta Industrial Park in the Indian state of West Bengal for a planned solar manufacturing facility.
The factory will have 4 GW of annual solar cell production capacity and 4 GW of module capacity. Websol plans to develop the project in two phases of 2 GW each.
The land allotment forms part of Websol’s plans to expand its manufacturing operations in West Bengal, where it already operates a solar cell and module factory in the Falta Special Economic Zone (SEZ).
Websol said its existing presence in the state provides access to skilled workers, established supplier relationships and familiarity with the local manufacturing ecosystem, which it expects will support the development of the new facility.
The project will expand Websol’s manufacturing footprint in eastern India.
“When Websol entered solar manufacturing in the mid-1990s, the industry in India was still at a very early stage. Today, solar is becoming an increasingly important part of the country’s energy infrastructure, and the need for strong domestic manufacturing has never been clearer,” said Sohan Lal Agarwal, chairman and managing director of Websol Energy System.
“For us, this land allotment represents the next phase of a journey that began more than three decades ago in West Bengal,” Agarwal added. “It allows us to build at a significantly larger scale while remaining close to an ecosystem, workforce and operating base we know well. As India expands its solar capacity, we believe manufacturing must grow alongside it, across regions and closer to demand.”
Sanjana Khaitan, executive director of Websol Energy System, said the company will now focus on moving the project from land allotment to construction, commissioning and production.
Founded in 1990, Websol manufactures solar cells and modules. It primarily supplies cells to the Indian market, including module manufacturers seeking to comply with domestic content requirement (DCR) rules. The company sells its modules in India and overseas.
Websol’s existing Falta SEZ facility has 1.2 GW of annual solar cell production capacity and 550 MW of module capacity. Its production lines can process wafers up to 210 mm.
Websol is among the manufacturers included on India’s Approved List of Models and Manufacturers (ALMM) for solar cells.
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Navitas Solar Plans ₹10,000 Crore Investment Across Gujarat, Maharashtra Photograph: (AI)
Navitas Solar plans to invest ₹10,000 crore over the next five years to expand its presence across the renewable energy value chain in Gujarat and Maharashtra, with investments spanning solar manufacturing, battery energy storage and renewable power generation.
The company said the investment will support expansion into ingots, wafers, high-efficiency solar cells and modules, alongside battery energy storage systems (BESS) and renewable power projects. The plan marks an expansion of Navitas Solar beyond its existing module manufacturing operations, with the company looking to build capabilities across both upstream and downstream segments of the solar value chain.
As part of the roadmap, Navitas Solar is developing a 2.4 GW solar cell manufacturing facility at Sisodara in Gujarat. The first phase of the project involves an investment of around ₹1,200 crore and is targeted to become operational by July 2027. The company is also developing pilot lines for ingot and wafer manufacturing, which it said will help build technical capabilities and provide a base for future capacity expansion.
Beyond manufacturing, Navitas Solar is expanding into renewable power generation in Maharashtra. The company is developing two solar parks with capacities of 200 MW and 25 MW under EPC and independent power producer (IPP) models. In Gujarat, the company plans to enter the energy storage segment with a 5 GWh battery energy storage facility in Vadodara.
“India’s renewable energy journey is entering a phase where scale, technology and supply-chain depth will increasingly determine the competitiveness of the sector. At Navitas Solar, we want to participate across the value chain and build capabilities that enable us to contribute meaningfully to India’s clean energy transition,” Ankit Singhania, Director, Navitas Solar, said.
“Our planned ₹10,000 crore investment over the next five years is a reflection of this ambition. We are investing not only in manufacturing capacity, but also in the technologies and infrastructure that will shape the next phase of India’s renewable energy ecosystem,” he added.
The proposed investments build on Navitas Solar’s existing manufacturing base. The company currently has 3 GW of annual solar module manufacturing capacity and produces high-efficiency modules based on TOPCon and bifacial Mono PERC technologies. The company is also pursuing backward integration through its solar encapsulant business, Navitas Alpha, while its renewable energy portfolio is being expanded through subsidiaries such as Navitas Planet.
Navitas Solar said its EPC business is also expanding into the Southern African region, focusing on utility- and IPP-scale projects. The investment plan comes as solar manufacturers in India increasingly look to expand beyond module assembly into upstream manufacturing and adjacent segments such as energy storage and renewable power generation. For Navitas Solar, the proposed expansion would create a platform spanning ingot and wafer manufacturing, solar cells and modules, energy storage, EPC execution and renewable power generation.
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