India added solar projects totaling 18 GW in 1H 2025, a 31% YoY increase from the same period last year, according to Mercom India Research’s newly released Q2 2025 India Solar Market Update. In Q2 2025, India added 11.3 GW of solar capacity, a 145.4% YoY increase from 4.6 GW and a 66.9% increase from Q1 2025. Solar accounted for 64% of new power capacity additions in Q2 2025. In 1H 2025, solar project commissioning in India accelerated due to regulatory deadlines.