Top 10 Best Indian Startups in Renewable Energy 2025
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India’s renewable energy sector has experienced significant growth, driven by innovative startups committed to sustainable solutions.
Top 10 Best Indian Startups in Renewable Energy 2025
As of 2025, several Indian startups in renewable energy have emerged as leaders, contributing substantially to the nation’s green energy transition. Here are the top 10 Indian startups in renewable energy:
1. ReNew Energy Global
Founded in 2011 by Sumant Sinha, ReNew Energy Global has become a leading producer of wind and solar energy in India. The company has played a pivotal role in addressing the country’s growing energy demand through large-scale renewable projects. In 2022, ReNew helped India avoid 0.5% of its annual carbon emissions and generated 14,263 GWh of clean electricity, enough to power around 4 million Indian households. The company has also expanded internationally, signing an agreement to set up a green hydrogen plant in Egypt. ReNew’s commitment to sustainability is further evidenced by its goal to achieve net-zero emissions by 2040.
3. Vikram Solar
Vikram Solar is a Kolkata-based company specializing in high-efficiency solar photovoltaic (PV) module manufacturing and comprehensive EPC (Engineering, Procurement, and Construction) solutions. With a global presence, the company has commissioned over 1 GW of solar projects across India and abroad. In 2023, Vikram Solar increased its module production capacity to 3.5 GW and received accreditation from NABL in accordance with ISO/IEC 17025:2017, becoming the second solar company in India and the first in Eastern India to achieve this. The company has also launched n-type monocrystalline cells with Tunnel Oxide Passivated Contact (TOPCon) and heterojunction (HJT) PV modules, showcasing its commitment to technological innovation.
4. Sea6 Energy
Founded in 2010, Sea6 Energy is a Bangalore-based company that focuses on cultivating and processing tropical seaweed species. The company has developed a proprietary cultivation mechanism called the SeaCombine, which can simultaneously harvest and replant seaweed in deep ocean waters, enabling cost-competitive production at scale. Sea6 Energy converts fresh seaweed into environmentally friendly products for various industries, including agriculture, animal health, food ingredients, bioplastics, and renewable chemicals. Their innovative approach to utilizing ocean resources positions them as a unique player in the renewable energy sector.
5. OMC Power
Established in 2011, OMC Power is a distributed energy company headquartered in Gurgaon, Haryana. The company focuses on providing renewable energy solutions to rural and underserved areas in India. By setting up microgrids powered by solar energy, OMC Power supplies reliable and sustainable electricity to communities that lack access to the national grid. As of 2024, the company has set up over 400 microgrids in eighteen districts of Uttar Pradesh, with capacities ranging from 36 to 50 kW. OMC Power’s efforts have been instrumental in improving the quality of life in rural areas and promoting inclusive growth.
6. Cygni Energy
Cygni Energy offers innovative solar DC solutions, providing green energy at a low cost. Their DC micro-grid technology is designed to enhance energy efficiency and accessibility, particularly in rural and off-grid areas. By focusing on decentralized power generation, Cygni Energy contributes to reducing transmission losses and ensuring reliable electricity supply to underserved communities. Their solutions are instrumental in promoting sustainable development and energy equity across India.
7. ePlane
ePlane is developing electric air transportation systems, aiming to revolutionize urban mobility with sustainable and efficient aerial solutions. By focusing on electric propulsion, the company seeks to reduce the carbon footprint associated with traditional aviation and provide a viable alternative for congested urban transportation networks. Their innovative approach has the potential to transform the future of urban mobility, making it more sustainable and efficient.
8. Freyr Energy
Freyr Energy provides comprehensive solar solutions, including design, installation, and maintenance services. Their offerings cater to residential, commercial, and industrial clients, making solar energy more accessible and affordable. By simplifying the adoption of solar power, Freyr Energy plays a crucial role in accelerating the transition to renewable energy sources in India. Their customer-centric approach ensures that clients receive tailored solutions that meet their specific energy needs.
9. Godi Energy
Godi Energy is innovating across various verticals of energy storage technology. They focus on developing advanced battery solutions to support renewable energy applications, addressing one of the critical challenges in the renewable energy sector—efficient energy storage. By enhancing storage capabilities, Godi Energy enables more reliable and consistent power supply from renewable sources, facilitating greater integration of renewables into the energy mix.
10. Smart Joules
Smart Joules offers retrofits for energy-intensive systems like cooling, heating, compressed air, and steam in commercial and industrial facilities. Their solutions aim to enhance energy efficiency and reduce operational costs, contributing to significant energy savings and reduced carbon emissions. By optimizing existing systems, Smart Joules helps businesses achieve their sustainability goals while improving their bottom line.
These startups exemplify the dynamic and innovative spirit driving India’s renewable energy sector. Through their diverse approaches, they contribute significantly to the nation’s sustainable development goals, addressing various aspects of the energy ecosystem—from generation and storage to distribution and efficiency. Their efforts not only support India’s commitment to reducing carbon emissions but also promote economic growth and energy independence.