India, June 23 -- In 2018, Maharashtra led India's rooftop solar map with 152 megawatts (MW) installed, followed by Karnataka and Tamil Nadu. Gujarat sat fourth, with 94 MW. Seven years later, the map has been redrawn. As of March 2026, Gujarat has 6,882 MW on its rooftops (the highest in India), while Maharashtra has climbed to 5,442 MW, and Rajasthan and Kerala have surged past 2,090 MW and 1,850 MW, respectively, according to data from the Union Ministry of New and Renewable Energy (MNRE) compiled by reseach organisation Climate Compatible Futures (CCF).

India's cumulative rooftop capacity reached 25.7 gigawatt (GW) by March 2026, and installers added 2.7 GW in the first quarter of 2026 alone, a 125 per cent jump over the same quarter...