India recorded its highest-ever annual solar capacity addition in the calendar year 2025, installing 36.6 GW, a 43% increase over the 25.6 GW added in 2024, according to Mercom India’s newly released Q4 and Annual 2025 India Solar Market Update Report. This milestone underscores the sector’s strong growth momentum, supported by favorable policies, faster project execution, and improved market conditions. Large-scale solar projects, including open access installations, accounted for the bulk of capacity additions in 2025, contributing nearly 81%, while rooftop solar accounted for over 19%.