Tata Power Solar, Amplus Solar, Roofsol Energy, Havells India, and Mahindra Solarize were the top rooftop solar companies in India during the calendar year (CY) 2023, according to Mercom’s India Solar Market Leaderboard 2024. India added 1.7 GW of rooftop solar capacity in CY 2023, according to the 2023 Q4 & Annual Mercom India Rooftop Solar Market Report. As of December 2023, the country’s cumulative rooftop solar installations reached 10.5 GW.