In Short : A new TERI study reveals India’s solar energy potential is 10,830 GW—nearly 15 times the previous estimate of 748 GW. The revised figure includes ground-mounted, rooftop, floating, agri-voltaic, and infrastructure-based systems. Agri-voltaics alone offer 4,177 GW, while ground-mounted systems account for 4,909 GW. The findings highlight India’s vast untapped capacity for accelerating its clean energy transition.

In Detail :India’s solar energy potential has been significantly revised upward to 10,830 GW, according to a new study by The Energy and Resources Institute (TERI). This marks a nearly 15-fold increase over the previous government estimate of 748 GW. The reassessment takes into account a broader range of solar applications and technological advancements.

The study includes potential from ground-mounted systems, rooftop solar, floating solar, agri-voltaic installations, and infrastructure-based solar solutions. By widening the scope beyond traditional ground-based setups, the report paints a more comprehensive picture of India’s renewable energy possibilities.

Ground-mounted solar installations alone contribute 4,909 GW to the revised estimate. This remains the largest contributor, benefiting from India’s vast open land areas and improving panel efficiency. The analysis considers both solar irradiance and land-use efficiency.

Rooftop solar potential is pegged at 960 GW, offering a major opportunity for decentralized energy generation across urban and semi-urban areas. Floating solar, particularly on reservoirs and other water bodies, could add another 100 GW. This approach also helps reduce water evaporation and optimize space usage.

Agri-voltaics—where solar panels are installed on agricultural land without disrupting farming—contribute 4,177 GW. This dual-use approach highlights the synergy between clean energy and sustainable agriculture. Meanwhile, solar potential in urban and infrastructure environments, such as highways and railway corridors, is estimated at 684 GW.

TERI’s revised assessment underscores India’s vast untapped potential in the solar energy sector. It presents a compelling case for policymakers, investors, and industries to accelerate deployment of solar technologies, support innovation, and integrate solar solutions across multiple sectors in the journey toward a low-carbon future.

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