India added 26.6 GW of solar capacity in the first nine months of the calendar year 2025, an increase of 53.7% year-over-year from 17.3 GW, according to the Q3 2025 India Solar Market Update Report by Mercom India Research. Large-scale solar accounted for 81.5% of the capacity commissioned in 9M 2025, while rooftop solar contributed 18.5%.