India adds 3.2 GW solar capacity in 2020; lowest in 5 years: Report The idea of a World Solar Bank has gained traction as many ISA member countries may have difficulty raising finances on their own (MINT_PRINT)Premium . Updated: 23 Feb 2021, 09:29 PM IST PTI Andhra Pradesh, Rajasthan, and Gujarat were the top three states for large-scale solar capacity additions, representing around 51% of 2020 installations Share Via Read Full Story NEW DELHI : India added 3,239 megawatt (MW) solar capacity in 2020, down 56 per cent from the previous year, according to a report. The adding of 3,239 MW of solar capacity was the lowest addition in five-years-time, Mercom India Research said in its report on Tuesday.