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NEW DELHI: India’s installed energy capacity has risen by nearly 36% overpast five years, increasing from 375 GW in Dec 2020 to almost 510 GW in the corresponding month of 2025.The growth has been driven largely by new and renewable energy — wind, solar, bioenergy and small hydro — which expanded by 122% during the period, from 91.1 GW to 203.6 GW, an addition of 112 GW. Including hydro and nuclear power, non-fossil sources now account for 263 GW, or 51.6%, of the country’s total installed capacity. In comparison, the share of fossil fuelbased capacity — coal, lignite, gas and diesel — has increased by 5.6% since Dec 2020.The new and renewable energy ministry said India recorded its highest-ever annual green capacity addition in 2025, with 44.5 GW added till Nov 30, largely due to a surge in solar installations. Solar capacity alone rose by 35 GW during the year to 132.9 GW, while wind power added 5.8 GW, taking total capacity to 54 GW.Large hydro capacity increased from 45.8 GW to 50.4 GW over five years, while nuclear power capacity saw a marginal rise from 6.8 GW in 2020 to 8.8 GW in 2025. Officials said all installed capacity was grid-connected and generation-ready, with transmission systems planned and implemented in line with phased capacity additions. The passage of the Sustainable Harnessing and Advancement of Nuclear Energy for Transforming India Bill, 2025, which allows the entry of private players into the previously restricted nuclear sector, is expected to boost nuclear capacity.
