Top 10 Solar Companies in Tamil Nadu 2025

With abundant sunlight throughout the year and strong government support, Tamil Nadu has emerged as one of India’s leading states in solar energy adoption. Whether you're a homeowner aiming to reduce your electricity bill or a business planning to shift toward renewable energy, choosing the right solar company is essential for long-term savings and sustainability.

In this blog, we bring you a curated list of the Top 10 Solar Companies in Tamil Nadu (2025). These companies are known for offering high-quality solar panels, installation services, and innovative solar solutions for both residential and commercial needs.

If you're searching for the Top solar companies in Tamil Nadu or trusted solar panel manufacturers in Tamil Nadu, this guide is for you.

Why Choose Solar in Tamil Nadu?

• High Solar Potential: Tamil Nadu enjoys an average of 5.5–6.0 kWh/m²/day solar radiation.

• Government Subsidies: Central and state government subsidies are available for residential rooftop installations.

• Reduced Electricity Bills: Installing solar panels helps in reducing dependency on grid electricity, leading to long-term savings.

• Eco-Friendly Solution: Solar reduces your carbon footprint, contributing to a greener environment.

List of Top 10 Solar Companies in Tamil Nadu 2025

Here’s a look at some of the best solar companies in Tamil Nadu based on product quality, project experience, customer feedback, and market reputation:

1. Bluebird Solar

Location: Expanding rapidly across Tamil Nadu (HQ in Delhi NCR)

About: Bluebird Solar is a fast-growing player in India’s solar industry, known for manufacturing high-quality DCR solar panels, including advanced N-Type TOPCon modules.

Specialization:

• Rooftop solar systems for homes & industries

• Turnkey EPC solutions

• DCR Solar Panels (suitable for government schemes)

Why Choose Them:

• High-efficiency panels for faster ROI

• Trusted partner for PM Surya Ghar Muft Bijli Yojana

• Long-term warranties and excellent customer service

2. Tata Power Solar

Location: Chennai (Presence across India)

About: Tata Power Solar is one of India’s largest integrated solar companies with more than three decades of experience. They offer everything from solar panels to turnkey solar EPC services.

Specialization:

• Rooftop Solar for homes and businesses

• Large-scale solar projects

• Solar pumps for agriculture

Why Choose Them: Trust of Tata, high-quality products, excellent after-sales service.

3. Waaree Energies Ltd.

Location: Dealers across Tamil Nadu

About: Waaree is one of the largest solar panel manufacturers in Tamil Nadu with nationwide presence. Known for their wide range of mono and bifacial panels.

Specialization:

• Solar PV module manufacturing

• Industrial rooftop solar

• Utility-scale projects

Why Choose Them: Top-quality modules, efficient technology, PAN India service.

4. Vikram Solar

Location: Chennai (Operational Pan India)

About: Vikram Solar is among India’s largest solar panel manufacturers and EPC companies, offering premium-quality solar panels with advanced PV technology.

Specialization:

• High-efficiency PV modules

• Rooftop and ground-mounted solar systems

• Commercial solar solutions

Why Choose Them: Premium products, innovation-driven solutions, great for commercial setups.

5. Renewsys India Pvt. Ltd.

Location: Tamil Nadu (distribution network across South India)

About: RenewSys specializes in manufacturing solar PV modules and solar encapsulants. Known for international-quality standards and reliability.

Specialization:

• PV module manufacturing

• Solar rooftop solutions

• Industrial solar projects

Why Choose Them: Focus on durability, trusted by many solar installers in Tamil Nadu.

6. Adani Solar

Location: Tamil Nadu

About: Adani Solar, part of the Adani Group, has made significant inroads into Tamil Nadu’s solar market. They manufacture solar cells and modules and offer large-scale project development.

Specialization:

• Large utility-scale project expertise

• Certified solar panels for MNRE projects

• Preferred by industries for high-volume installations

7. RenewSys Solar

Location: Distributors across Tamil Nadu

About: RenewSys Solar is a key player in the Indian solar market, specializing in the manufacturing of solar PV modules, backsheets, and encapsulants. Known for their reliable product quality and strong R&D focus.

Specialization:

• Solar panel manufacturing

• Rooftop and commercial solar projects

• Solar components supply (Encapsulants, EVA, etc.)

Why Choose Them: Durable products with high performance, strong presence in Tamil Nadu’s solar market.

8. Goldi Solar

Location: Dealers and distributors across Tamil Nadu

About: Goldi Solar is one of India’s leading solar panel manufacturers, known for producing high-efficiency mono PERC and TOPCon panels. They have a strong commitment to quality and sustainability.

Specialization:

• Solar PV module manufacturing

• Residential and commercial rooftop solar

• Utility-scale solar projects
  

Why Choose Them: Affordable, efficient, and great service network throughout Tamil Nadu.

9. Radiant Solar Pvt. Ltd.

Location: Tamil Nadu (HQ in Hyderabad)

About: Radiant Solar has completed several successful industrial rooftop and ground-mounted projects in Tamil Nadu.

Specialization:

• Solar EPC for industries

• Solar water pumps

• Off-grid solar systems
  Why Choose Them: Good for customized solar installations for businesses.

10. Swelect Energy Systems Ltd.

Location: Chennai

About: Headquartered in Chennai, Swelect is a trusted name for solar module manufacturing and EPC services in Tamil Nadu.

Specialization:

• Solar panel manufacturing

• Turnkey rooftop solar projects

• Off-grid and hybrid solar solutions
  Why Choose Them: Strong local presence, excellent after-sales support, and wide experience in South India.

How to Choose the Best Solar Company in Tamil Nadu?

When choosing a solar panel company in Tamil Nadu, keep the following points in mind:

• Product Quality: Go for companies offering Tier-1 quality panels like monocrystalline or N-Type TOPCon.

• Government Subsidy Support: Select installers familiar with the subsidy process under schemes like PM Surya Ghar Muft Bijli Yojana.

• After-Sales Service: Always choose a company offering long-term maintenance and warranty.

• Experience: Companies with proven track records in Tamil Nadu provide added reliability.

Conclusion

Tamil Nadu’s solar industry is booming, and there has never been a better time to switch to solar. Whether you’re a homeowner looking to reduce electricity bills or a business planning for sustainable growth, the top solar companies in Tamil Nadu listed here can help you make that transition.

Bluebird Solar, with its high-efficiency DCR panels and commitment to quality, stands out as one of the promising brands for both residential and commercial projects in Tamil Nadu in 2025.

Start your journey towards a sustainable future today!

FAQs about Solar Companies in Tamil Nadu

Q1. Which is the best solar panel company in Tamil Nadu for homes?
A: Tata Power Solar, Waaree, and Bluebird Solar are among the top choices for residential rooftop solar systems.

Q2. Is subsidy available on solar panels in Tamil Nadu?
A: Yes. You can avail up to 40% subsidy for residential rooftop solar under the PM Surya Ghar Muft Bijli Yojana.

Q3. Which solar panels are best for Tamil Nadu’s climate?
A: Monocrystalline or N-Type TOPCon panels work best for Tamil Nadu’s sunny climate due to their high efficiency.