Pralhad Joshi Hails IIT Bombay’s Tandem Solar Cells as Key to India’s Solar Energy Future
NCPRE’s pioneering work in high-efficiency, low-cost Silicon-Perovskite Tandem Solar Cells, is a game-changer for India’s solar energy future, said Pralhad Joshi.
July 15, 2025. By Dineshwori
Speaking at a post-visit media interaction, he lauded NCPRE’s pioneering work in high-efficiency, low-cost Silicon-Perovskite Tandem Solar Cells, describing it as “a game-changer for India’s solar energy future.”
He emphasised that the technology has the potential to achieve over 30 percent efficiency—significantly higher than that of conventional solar panels—which could position India as a global leader in next-generation photovoltaics.
“By investing in such innovations, we are driving down the cost of solar energy, making it more accessible for all Indians,” he added.
The minister also visited the Perovskite Tandem solar cell lab, Silicon Fab laboratory and Medium voltage Laboratory at NCPRE and interacted with the scientists.
IIT-Bombay-incubated startup - Advanced Renewable Tandem-Photovoltaics India (ART-PV India) has developed a 2-Terminal Monolithic Silicon/CdTe-Perovskite tandem solar cell with a conversion efficiency of 29.8 percent.
NCPRE was launched at IIT Bombay in 2010 with funding from the MNRE. The broad objectives of NCPRE are to provide research and development and education support for India’s ambitious 100 GW solar mission. Till date, MNRE has provided over Rs 200 crore funding to NCPRE, IIT Bombay, over the last 15 years.
MNRE is also supporting ART-PV India with USD 10 million (approximately INR 83 crore) for establishing a state-of-the-art pilot manufacturing facility in IIT-B campus, in line with the commitment to nurturing domestic Intellectual Property, and ensuring Indian innovation reaches global markets.
“MNRE will continue to provide policy and financial support to ensure India’s RE sector thrives on innovation and self-reliance,” the Minister said.
Highlighting MNRE’s strategic support for research and development and commercialisation, Joshi urged the IIT Bombay-ART PV team to commercially demonstrate that Perovskite Tandem Solar Cells are not only scalable but also profitable.
IIT Bombay Director Prof. Shireesh Kedare, NCPRE Principal Investigators (PIs) Prof. Baylon G. Fernandes and Prof. Chetan Singh Solanki, ART-PV India Co-Founder Prof. Dinesh Kabra were present on the occasion.
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