Tata Power Solar, Amplus Solar, Roofsol Energy, Fourth Partner Energy, and Hartek Solar were the top rooftop solar companies in India during the calendar year 2022, according to Mercom’s recently released India Solar Market Leaderboard 2023. The report offers information on the competitive landscape and market share of top companies within the solar supply chain in India. The top three companies accounted for 36% of the market share in 2022.