Top 20 Solar EPCs in India (2025)

India’s solar sector is witnessing unprecedented growth in 2025, with both rooftop and utility-scale projects contributing to the country’s clean energy ambitions. At the heart of this transition are the Solar EPC companies – Engineering, Procurement, and Construction partners who bring solar plants to life. Here’s a detailed look at the Top 20 Solar EPCs in India (2025) shaping the renewable landscape.

Top Solar EPC Companies (2025)

#	Company	Highlights
1	Avaada Energy	Rapidly expanding renewable EPC, with solar, hybrid & storage projects.
2	Larsen & Toubro (L&T)	Engineering giant with large-scale solar EPC expertise.
3	Tata Projects	Infrastructure leader with a growing solar EPC portfolio.
4	Sterling & Wilson Renewable Energy	Global solar EPC specialist with utility-scale focus.
5	Reliance New Energy	Part of Reliance, expanding in solar EPC & giga factories.
6	Onix Renewable Ltd.	Full EPC + O&M solutions with module manufacturing strength.
7	Tata Power Solar	Trusted rooftop & utility-scale EPC leader in India.
8	Adani Green Energy	Massive projects in solar & hybrid with strong EPC arm.
9	BHEL	Legacy power EPC, active in solar projects across India.
10	BGR Energy	Known for power projects, entering renewable EPCs.
11	Gayatri Projects	Strong infra background, diversifying into solar EPC.
12	Gammon India	Executing large-scale infrastructure and solar civil works.
13	McNally Bharat Engineering	Engineering-driven EPC firm with renewable presence.
14	Shriram EPC	Handling diversified EPC including energy and solar.
15	Tecpro Systems	Electrical EPC player supporting solar grid integration.
16	Reliance Infrastructure	Infrastructure arm of Reliance with EPC execution.
17	GMR Infrastructure	Infrastructure giant delivering solar & hybrid EPC.
18	Polycab India	Expanding into solar EPC along with electrical solutions.
19	KPI Green Energy	Developer + EPC provider with solar expertise.
20	ReNew Power EPC	From ReNew group, executing solar & wind hybrid EPC.

Trends in Solar EPC (2025)

• Vertical Integration: Developers like Adani, Avaada, and Reliance are internalizing EPC to maintain control.
• Hybrid Projects: EPCs now handle solar + storage + wind for reliable output.
• Digital Adoption: BIM, IoT, and SCADA tools enhance project execution and monitoring.
• Supply Chain Strength: EPCs with secure module & inverter access dominate.

How to Select the Right EPC Partner?

Choosing the right EPC partner for your solar project is critical. Here’s what to look for:

1. Track Record: Review past projects and client references.
2. Financial Stability: Ensure the EPC can handle large contracts without delays.
3. Technical Expertise: Civil, electrical, and grid integration skills matter.
4. O&M Capability: After-sales support is as important as project delivery.
5. Compliance: ISO, IEC certifications, and state approvals.

These Top 20 Solar EPCs in India (2025) represent the backbone of India’s renewable mission. If you’re a vendor or client looking for EPC partners, explore SolSetu’s Solar Vendor Directory for verified listings.

© 2025 SolSetu.com – India’s First Dedicated Solar Vendor Directory

Top Solar Vendors in Lucknow – 2025 — view
Latest Solar & MNRE Renewable Energy News (Sept 2025) — view
Top 5 Solar Panel Brands in India (2025 Updated List) — view
Why Farmers Should Switch to Solar Pumps Under PM-KUSUM Scheme — view
Top 10 Solar Vendors in Rajasthan — view