India’s reservoirs can host 102 GW of floating solar, says first national assessment
A new report from India's National Institute of Solar Energy estimates that the country's reservoirs could support 102 gigawatts of floating solar power. While the report highlights the potential to bypass land-use constraints, it does not provide a cost analysis for implementation.
Why it matters
Floating solar technology offers a scalable solution for renewable energy expansion in land-scarce regions, though economic feasibility remains a key question.
India’s reservoirs can host about 102 gigawatt (GW) of floating solar capacity, according to the first comprehensive national assessment of the technology’s potential by the National Institute of Solar Energy (NISE), an autonomous institute of the Ministry of New and Renewable Energy (MNRE). The report titled ‘Solar PV Potential of India (Floating Solar)’ frames panels on water as a way around one of the most intractable obstacles in the solar sector — land. The 121-page assessment, however, contains no calculation of what it would cost to realise this potential in India. Its only cost reference is a 2021 benchmark from the U.S. National Renewable Energy Laboratory, which the report cites to note that floating plants typically cost about 25% more upfront than ground-mounted ones, owing to floats, anchoring and waterproofing.
The article provides a factual summary of a government report without taking a political or ideological stance.
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