Solex Energy Limited and Germany’s ISC Konstanz Forge Strategic R&D Partnership
Unveils India’s First Rear Contact Solar Module, TAPI Rear Contact (TRC), $1.5 Billion Investment, and 25,000-Strong Workforce
New Delhi, October 29, 2025: In a landmark move for India’s renewable energy sector, Solex Energy Limited, a leading solar manufacturer listed on NSE: SOLEX, has signed a Memorandum of Understanding (MoU) with ISC Konstanz, Germany, for advanced R&D and technological collaboration in solar cell manufacturing. The announcement was made today at a press conference in New Delhi, attended by Solex leadership, ISC Konstanz delegates, and key industry stakeholders.
Through this strategic partnership, ISC Konstanz will extend comprehensive technological support to Solex for upgrading its upcoming TOPCon cell line and adopting next-generation Rear Contact and c-Si tandem/perovskite solar technologies. The collaboration will also enable the establishment of Solex’s dedicated in-house R&D line, backed by ISC Konstanz’s patent portfolio, driving continuous innovation and high-efficiency solar manufacturing within India.
Speaking at the event, Dr. Chetan Shah, Chairman and Managing Director of Solex Energy Limited, said: "This partnership marks a defining chapter in Solex’s journey toward technological excellence and global leadership. Under our Vision 2030, we are committed to transforming India into a hub of solar innovation with a targeted valuation of Rs 1 lakh crore, a $1.5 billion investment, and 25,000 highly skilled team members driving that vision forward.
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Read Also : MRPL Bags 4th Successive Best Refining Innovation (R&D) Award at ETM 2025Last year, during the Renewable Energy India (REI) exhibition 2024, Solex introduced India’s first solar module powered by rectangular cells, setting a precedent for technological leadership in the country. This year, we are once again making history by bringing one of the most advanced solar technologies to India and sustaining its legacy. Our commitment remains customer-first, ensuring we deliver the best-in-class solutions that empower communities, industries, and the nation.”
He further added, “Our focus is not just on scaling capacity but on delivering unmatched value through efficiency, reliability, and performance. As we expand our global presence across India, Europe, and the U.S., we aim to build a future where clean, affordable energy empowers every home, business, and community. Together with ISC Konstanz, we are turning that vision into reality."
On the MoU signing ceremony, Dr. Kopeček, Radovan, Head of Department Strategy and Education, ISC Konstanz shared: “At ISC Konstanz, we have been steadily increasing photovoltaic efficiency while reducing costs since 2005. Our mission is to achieve research outcomes that benefit both industry and society. We set global standards, share expertise with partners and young talent worldwide, and remain driven by one ultimate goal, making clean solar energy accessible and affordable for all. Our partnership with Solex Energy brings us closer to realizing that vision and advancing a successful global energy transition."
Under Solex’s Vision 2030, Solex aims to establish 10 GW of solar module and 10 GW of solar cell manufacturing capacity, setting new benchmarks in Indian solar manufacturing.
At the same event, Solex unveiled a concept launch of India’s first Rear Contact Solar Module, TAPI Rear Contact, representing a major leap forward in design and efficiency. TAPI is a registered name and logo under Solex Energy Limited. Powered by advanced N-Type Rear Contact technology, the new module delivers up to 24.60% efficiency and 665W power output, with zero front shading and exceptional temperature performance. The commercial production of TAPI Rear Contact is scheduled to commence by FY27, marking Solex’s entry into the next era of premium solar technology.
Solex also announced that visitors can explore its innovations at the Renewable Energy India (REI) Expo, beginning October 30, 2025, at Greater Noida. The company will be showcasing its latest technologies and the TAPI Rear Contact product range at Booth No. R318, Hall 11.
As part of its expansion strategy, Solex is actively seeking new partnerships with dealers and distributors across India and international markets including the United States and Europe, further strengthening its global reach.
Notably, Solex Energy Limited has recently migrated from NSE Emerge to the NSE Main Board, marking a major milestone in its growth journey and reinforcing its position as one of India’s most credible and future-ready renewable energy enterprises.