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German Company RENA To Equip Emmvee’s 6 GW TOPCon Solar Cell Capacity Photograph: (RENA)
German solar equipment manufacturer RENA Technologies has secured an order from Bengaluru-based Emmvee Energy to supply high-throughput production equipment for 6 GW of TOPCon solar cell manufacturing capacity in India, marking one of the largest equipment deals in the country’s domestic solar manufacturing sector. More importantly, by going with a non-Chinese supplier, Emmvee has clearly picked predictability over cost.  
The project will deploy production solutions for TOPCon (Tunnel Oxide Passivated Contact) solar cell technology, one of the most advanced and efficient crystalline silicon cell architectures currently in commercial use.
Under the agreement, RENA will supply multiple units of its BatchTex 3 N600, InEtchSide 4+ BSG and PSG, BatchEtch 3 N600 and BatchPolyClean 3 N600 systems, designed for high-volume and high-yield manufacturing environments. The company said the equipment incorporates water, chemical and power-saving technologies aimed at reducing operating costs and improving production efficiency.
The contract also includes integrated wastewater management systems for each production line, supporting compliance with environmental standards and reducing wastewater treatment costs.
As part of the agreement, RENA will provide a long-term service package, including on-site and remote support, 24/7 technical assistance, training programmes and spare parts support through its warehouse in Chennai.
The project will be executed in collaboration with strategic partners Centrotherm and ISC Konstanz to deliver an integrated production solution.
“This order represents a significant milestone not only for our company but also for the expansion of domestic photovoltaic manufacturing in India,” said Peter Schneidewind, CEO of RENA Technologies. “By enabling high-efficiency TOPCon cell production at gigawatt scale, we are supporting our long-term customer in building a competitive and sustainable supply chain.”
The order further strengthens India’s efforts to build an integrated domestic solar manufacturing ecosystem as the country accelerates investments in upstream solar cell and module production to reduce import dependence and support its clean energy transition.
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