Top Rooftop Solar Companies in 1H 2022: Tata Power Solar, Amplus, Fourth Partner Energy

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Tata Power Solar, Amplus Solar, Fourth Partner Energy, Roofsol Energy, and Havells India were the top solar rooftop companies in India in the first half (1H) of the calendar year (CY) 2022, according to Mercom’s recently released India Solar Market Leaderboard 1H 2022.

The report provides insight into the industry leaders’ market share and shipment rankings across the Indian solar supply chain.

The top three companies accounted for 40% of the market share in 1H 2022.

Top Rooftop Installers

Tata Power Solar has a portfolio of 1.2 GW rooftop and distributed generation projects across the country. It operates a manufacturing unit in Bangalore, with a production capacity of 635 MW of modules and 500 MW of cells. Tata Power Solar tied up with several banks to offer loan facilities to residential consumers and Micro, Small, and Medium Enterprises (MSMEs) to switch to solar solutions


Amplus owns and manages a portfolio of over 1 GW of operational and under-construction distributed solar assets.

Amplus Solar won the award for the best residential project in Mercom India Awards 2022. The award was accorded to Atrium, a designer edition solar pergola from HomeScape by Amplus Solar.

Fourth Partner Energy has installed over 500 MW of rooftop solar projects for India’s top businesses and institutions. It has received $47 million as a follow-on investment from British International Investment (BII). Fourth partner, in total, has received $80 million in investments from BII.

Roofsol Energy commissioned a 5 MW rooftop solar system for textile manufacturer ST COTTEX in Ludhiana, Punjab. The system installed under the RESCO model is expected to generate 6.7 million units of electricity in the first year and replace 7,000 tons of greenhouse gases annually.

Tata Power Solar, Fourth Partner Energy, and Amplus Solar were also the top solar rooftop companies in India in 2021. Havells India was a top solar engineering, procurement, and construction (EPC) company in 2021.

A complete list of the solar rooftop installers and their market share is available through Mercom’s India Solar Market Share Tracker.