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Five Solar Companies Highlighted for India’s 2026 Market
India’s solar industry is growing quickly, so many companies now sell solar panels and services.
The article compares five companies that may be useful for different customers.
Eastman Solar offers panels, batteries, power electronics, installation, and support.
Waaree Energies is known for making a very large number of solar modules.
Adani Solar makes several important parts of a panel in one connected production system.
Tata Power Solar has long experience and has completed many rooftop projects.
Vikram Solar works on both rooftop and large ground-based solar projects.
The article says buyers should compare certifications, warranties, installation quality, and customer service instead of looking only at price.
The best company depends on whether the customer is a homeowner, business, or large project developer.
Eastman Solar is presented as an end-to-end provider of solar, storage, power electronics, installation, and after-sales support.
Waaree Energies is described as India’s largest domestic panel manufacturer, with approximately 15 GW of installed module capacity.
Adani Solar operates an integrated production chain covering ingots, wafers, cells, and modules.
Tata Power Solar combines more than three decades of experience with a 4.3 GW manufacturing facility and over 4 GWp of rooftop installations.
Vikram Solar manufactures modules and provides EPC and O&M services, with an approximately 1.41 GW EPC portfolio as of March 2025.
- Who
- Eastman Solar, Waaree Energies, Adani Solar, Tata Power Solar, and Vikram Solar are the five companies compared.
- What
- The article presents a 2026 shortlist of major solar companies in India and explains how buyers can evaluate them.
- Where
- India, with specific manufacturing mentioned in Tirunelveli and research activity connected to Hong Kong.
- When
- The shortlist is for 2026; Vikram Solar’s stated EPC portfolio figure is as of March 2025.
- Why
- The comparison is intended to help homeowners, businesses, and project developers choose solar providers based on manufacturing, certification, warranties, installation, and after-sales service.
Key facts
- Government target
- India is pushing toward 500 GW of non-fossil fuel capacity by 2030.
- Eastman Solar
- Eastman Auto and Power Limited has operated in the energy transition space since 2000 and reports seven manufacturing units.
- Waaree Energies
- Approximately 15 GW of installed solar module manufacturing capacity.
- Adani Solar
- Reports 10 GW of module capacity, 4 GW of cell capacity, and 2 GW of ingot and wafer capacity.
- Tata Power Solar
- TP Solar operates a 4.3 GW solar cell and module facility in Tirunelveli.
- Tata rooftop installations
- Tata Power’s rooftop solar business has exceeded 4 GWp of cumulative capacity.
- Vikram Solar EPC portfolio
- Approximately 1.41 GW as of March 2025.
Sources
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