Synopsis: India ranks 4th globally in renewable energy installed capacity and has generated 1,08,494 GWh of solar power, more than Japan’s 96,459 GWh and became the world’s 3rd biggest solar energy producer. The country has pledged to achieve 500 GW of non fossil fuel energy capacity by 2030.
Currently India’s solar energy installed is 105.65 GW which will be tripled to 300 GW approx by 2030. In 2025, India’s solar energy investment landscape is thriving as the country records an unprecedented surge in solar capacity, adding 26.6GW in the first 9 months alone, a 54% year on year increase. Indian companies like Tata Power, Adani Green Energy and other companies are shaping the sustainable energy future of India and offering attractive investment opportunities in the flourishing solar sector.
Top Solar Power Companies Investing in Indian States
1. Adani Green Energy Ltd
Adani is a major Indian renewable energy company developing large scale solar projects across India with a significant focus on Khavda Renewable Park in Gujarat. Major projects and investments are
- Khavada Renewable Park: it will be the world’s largest renewable energy plant with a 30 GW target by 2029. By March 2025, it had 5.3 GW of capacity commissioned and is seeing rapid growth with AGEL adding significant capacity in 2025. It is located in Kutch district of Gujarat.
- AGEL (Adani Green Energy Ltd) is developing large scale solar farms in states like Rajasthan and Andhra Pradesh.
- The firm added 1460 MW of solar in Khavada project and 1250 MW of solar across Rajasthan and AP.
- AGEL is contributing 16% of all India’a utility scale solar capacity added in FY 25. It has expanded its total operational portfolio to over 15000 MV.
- AGEL has added 3.3 GW of new greenfield capacity, the highest by any renewable company in India this year.
- AGEL is incorporating advanced technologies like bifacial solar modules, trackers and robotic cleaning systems to improve efficiency and reduce water usage at its solar plants.
2. Tata Power
Tata power is heavily investing in solar energy with a planned capital expenditure (capex) of INR 20,000 crore for the year. The company is focusing on both large scale solar projects and residential rooftop installations. Major projects and investments are-
- Rooftop solar leadership: Tata power is India’s number one rooftop solar provider surpassing 150,000 installations across the country by mid 2025. The company added 1033 new solar rooftop customers in a single state during FY 2025.
- Energy as a service(EaaS): Tata Power is building a digital platform to offer clean energy solutions.
- The company has expanded its solar cell and module manufacturing capacity to 4.3 GW it is a major player in India’s renewable energy development.
- Tata Power is planning to expand 23GW by FY 2030 in line with India’s target of 500GW of non-fossil fuel capacity by 2030.
- Tamil Nadu expansion to develop 10,000MW renewable projects with 70.000 cr. investment, to expand 4 GW solar cell and module plant with 800 cr.
3. JSW Energy
JSW is rapidly expanding its solar energy capacity and is making substantial investments in 2025 for both organic and inorganic renewable growth. Major projects and investments:
- The company’s solar capacity includes both large scale projects and innovative ones like a solar battery hybrid project in Karnataka and a 20 MW floating solar project.
- The company has secured a 25 year deal with BESCOM for a solar battery hybrid project in Karnataka.
- Green Hydrogen plant: In Nov 2025, JSW energy commissioned its first green hydrogen plant in Karnataka, with a capacity of 3,800 tonnes per year.
- JSW Energy’s future growth is expected to be driven by renewables with a target of 20 GW before 2030.
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4. ReNew Power
ReNew energy is a leading decarbonization company with a global clean energy portfolio of approximately 18.5 GW. The company’s key solar focus in 2025 involves massive expansion in Andhra Pradesh. Major projects and investments:
- Expansion in Andhra Pradesh: ReNew announced additional investment of approx. Rs. 60,000 crore. Total investment in AP is Rs. 82,000 cr. A 2 GW pumped hydro project for energy storage, 5 GW of hybrid wind-solar and solar-battery energy storage system projects.
- Hybrid renewable energy project Anantapur announced a Rs.22,000 crore project with capacity of 2.8 GW consisting of 1.8 GW of solar.
- Peak Power project in AP funded by Asian Development Bank for a large scale project integrating 415 MWh of solar capacity.
5. Vikram Solar
It is one of India’s largest pure play solar PV module manufacturers with a global presence. It is involved in manufacturing, engineering, procurement, construction and operation of solar power plants. Upcoming and ongoing projects of 2025-
- Tamil Nadu expansion : the company is building a new integrated facility in Gangaikondan which includes both solar cell and module manufacturing. Phase 1 is focus on setting up 3 GW of solar sell and 3 GW of solar module manufacturing capacity and Phase 2 will double the solar module capacity to 6 GW.
- West Bengal expansion: the company is investing Rs. 400 crore to add 2 GW of module capacity at its Falta unit increasing its capacity there to 5.5 GW.
- The company aims to ramp up its total module capacity to 17.5 GW and have backward integration for a 12GW cell capacity by FY 2027.
Conclusion
India’s solar energy sector in 2025 is witnessing unprecedented growth with record installations of 26.6 GW in just 9 months. Leading companies like Adani, TATA, Vikram, ReNew and others are driving this expansion through robust project pipelines, advanced manufacturing capabilities making solar energy investment in India a highly attractive and strategic opportunity for investors seeking long term growth in a sustainably powered economy.
Written by Soumya M