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Premier Energies, a solar manufacturer based in India, has brought online a 7GW n-type tunnel oxide passivated contact (TOPCon) G12R solar cell production site in Naidupeta, Andhra Pradesh. This move raises the company’s overall solar cell output capacity to 10.6GW.
The site occupies 101 acres and required a capital outlay of INR 32.93 billion, or US$343.6 million. Its output capability stands at roughly 88,000 solar cells each hour. According to Premier Energies, the plant has begun trial production and ranks as the nation’s biggest solar cell production facility.
Chiranjeev Saluja, managing director at Premier Energies, noted that the timing of adding this 7GW capacity matters because, as the line stabilises and ramps up, it provides the scale needed to meet demand with better supply reliability and operating efficiency. He further stated that the company’s planned backward integration into ingots and wafers reinforces its approach of creating a fully integrated and globally competitive solar manufacturing platform while aiding India’s clean energy transition.
Premier Energies stated that the plant features digital manufacturing systems and artificial intelligence-based tools for predictive performance analysis, process control and precision manufacturing. Automated material transport, packing and packaging systems have also been installed to boost throughput and production consistency.
The 7GW facility is built to accommodate upgrades to next-generation TOPCon+ technologies, such as poly-finger metallisation and advanced edge-isolation processes. Once stabilisation and ramp-up are complete, Premier Energies aims for average cell efficiencies of approximately 25.8%.
Sudhir Reddy, director and chief strategy officer at Premier Energies, remarked that the Naidupeta plant represents a major step forward in the company’s integrated manufacturing roadmap. He said the mix of scale, automation and advanced cell technology is intended to enhance manufacturing competitiveness, bolster supply-chain resilience and position Premier Energies to meet demand for high-efficiency solar products within India and in international markets.
The plant also features a Zero Liquid Discharge system aimed at maximising water recycling and reuse.
This commissioning occurs as Premier Energies broadens its manufacturing footprint under a planned INR 125 billion investment programme spanning three years. Its module capacity has now reached 11.1GW, while cell capacity stands at 10.6GW.
The 200-acre Naidupeta facility will additionally manufacture ingots and wafers as part of Premier Energies’ planned expansion into upstream manufacturing. When the project was announced in July, Vinay Rustagi, chief business officer at Premier Energies, informed PV Tech that production was set to commence in the first quarter of 2028.
Earlier this year, Premier commissioned a 5.6GW solar module manufacturing facility in Seetharampur, Telangana. The 75-acre facility can produce four G12R zero-busbar TOPCon modules every 16 seconds, according to the company.
Premier has also introduced India’s first 0BB TOPCon solar cell, advancing beyond the 10BB and 16BB cell designs commonly used in the industry.
In October 2025, Premier acquired a 51% stake in transformer manufacturer Transcon and inverter maker KSolare Energy, investing INR 5 billion, or US$57 million, in Transcon and INR 1.7 billion, or US$19 million, in KSolare alongside Syrma SGS Technology.
The company also commissioned a 1.2GW TOPCon solar cell manufacturing line at Fab City, Hyderabad, Telangana in June 2025. The line is designed to achieve cell efficiencies above 25% using a 16BB design.
Interactive table based on the Store Companies dataset for this report.
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How the Report Was Built
Major integrated solar manufacturer
India's largest solar module manufacturer
Part of Adani Group, integrated manufacturing
Leading manufacturer, part of Tata Group
Major PV module and cell producer
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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