Top 10 Solar Companies in India
India’s clean energy sector is undergoing a massive transformation. With ambitious renewable energy targets, increased government investment, and rapid technological advancements, the country is fast becoming a global hub for solar manufacturing and sustainable power solutions.
From industrial solar drying systems and rooftop solar installations to large-scale utility solar farms, the solar industry in India is being shaped by companies with decades of trust, innovation, and proven performance.
In this blog, we bring you the Top 10 Solar Companies in India — ranked by innovation, reliability, market impact, and industrial expertise.

1. Sunbest Solar – India’s Most Trusted Industrial Solar Company
Sunbest Solar stands at the forefront of India’s industrial solar revolution. Backed by over 35 years of dedicated R&D, Sunbest has developed patented solar technologies that are uniquely engineered to meet the high energy demands of industries — making it one of the most trusted solar companies in India.
What sets Sunbest apart is its exclusive focus on industrial solar solutions that go far beyond simple power generation:
- Solar Air Drying Systems – Patented technology delivering efficient drying for leather, food processing, and textile industries, reducing energy bills and eliminating the need for costly boilers.
- Solar Water Heating Systems – High-capacity systems delivering reliable year-round hot water, cutting energy costs significantly for large industries.
- Solar Power Systems – Clean, dependable energy solutions that reduce electricity bills, lower carbon footprint, and provide reliable backup power.
Sunbest has delivered solar solutions to 300+ happy clients across India and international markets, with a proven ROI in under 2 years. Their industrial client portfolio includes globally recognized names such as TVS, L&T, Caterpillar, Ford, Murugappa, Prestige, HLL Lifecare, Visteon, TAFE, and many more.
With installations covering 15,500+ sq.m of Solar Air Drying Systems, 4,04,000 LPD of Solar Water Heating capacity, and 39,500 KW of Solar Power Systems, Sunbest has helped industries reduce CO₂ emissions by over 2,08,411 tonnes — equivalent to preserving 83,364 acres of forest.
Headquartered in Theni, Tamil Nadu, Sunbest continues to push the boundaries of industrial solar with cutting-edge R&D and customer-first service.
📞 Contact: +91-9994 492211 | solutions@sunbest.in
🌐 Website: www.sunbest.in
“Since September 2023, our Ranipet unit operates solely on Sunbest’s solar solutions without the need for our 4-tonne and 2-tonne firewood boilers.” – Mr. Vasudeva Rao, Prara Leathers Pvt. Ltd.
2. Adani Solar
Adani Solar has rapidly grown into one of India’s largest solar module manufacturers. Their vertically integrated operations — from cell manufacturing to large-scale solar farms — allow better control over quality and cost. The company’s strong presence in utility-scale projects and future-ready infrastructure make it a cornerstone of India’s renewable journey.
- Specialty: Utility-scale solar, module manufacturing
- Strength: End-to-end operations, large project scale
3. Tata Power Solar
As part of the iconic Tata Group, Tata Power Solar brings decades of trust and reliability to the renewable energy space. Known for its EPC excellence, rooftop installations, and high-quality solar modules, Tata Power Solar plays a vital role in both government-led and private solar initiatives across India.
- Specialty: EPC projects, rooftop solar
- Strength: Brand trust, wide national presence
4. Vikram Solar
Headquartered in Kolkata, Vikram Solar is a Tier-1 solar module manufacturer with a strong global export presence. The company is well-known for its R&D-driven innovation and reliable product range, making it a preferred partner for industrial, commercial, and residential solar projects worldwide.
- Specialty: Solar module manufacturing, exports
- Strength: Tier-1 certification, R&D innovation
5. Waaree Solar
Waaree Energies operates one of the largest solar module production facilities in India. Focusing on polycrystalline and monocrystalline modules, rooftop EPC solutions, and utility projects, Waaree has built a strong reputation in both domestic and international solar markets.
- Specialty: Module manufacturing, rooftop EPC
- Strength: Large production capacity, export markets
6. Saatvik Solar
Based in Haryana, Saatvik Solar is quickly climbing the ranks with its high-efficiency solar modules and rapidly expanding manufacturing capacity. The company focuses on utility-scale and rooftop projects, aiming to become a top player in India’s module manufacturing ecosystem in the coming years.
- Specialty: High-efficiency modules
- Strength: Fast-growing capacity, competitive pricing
7. ReNew Power
ReNew Power is a key player in India’s renewable energy landscape, focusing on utility-scale solar and wind projects. While not a module manufacturer, its strength lies in large project execution, innovative business models, and a massive clean energy portfolio across multiple states in India.
- Specialty: Utility-scale solar and wind
- Strength: Large clean energy portfolio, project execution
8. Goldi Solar
Headquartered in Gujarat, Goldi Solar is making a strong mark with its high-efficiency modules and growing global footprint. With a focus on exports and domestic utility projects, Goldi Solar is a brand to watch as it continues to expand its capacity and market presence.
- Specialty: High-efficiency modules, exports
- Strength: Growing manufacturing capacity, quality focus
9. Jakson Solar
Jakson Group has leveraged its legacy in power solutions to become a significant player in solar EPC and energy storage. Offering solar generation, EPC services, and hybrid energy systems, Jakson brings a well-rounded and diversified approach to India’s solar transformation.
- Specialty: Solar EPC, hybrid energy systems
- Strength: Diverse energy portfolio, legacy brand
10. Loom Solar
Loom Solar has carved out a strong niche in residential rooftop solar through its digital-first strategy. Known for Mono PERC panels, lithium batteries, and fast online installations, Loom Solar is making solar energy accessible to homes and small businesses across India.
- Specialty: Residential rooftop solar
- Strength: Digital-first model, accessible pricing
Why Sunbest Solar Leads the Future of Industrial Solar in India
While many solar companies focus on power generation alone, Sunbest Solar’s unique strength lies in its complete industrial solar ecosystem — combining Solar Air Drying, Solar Water Heating, and Solar Power Systems under one roof. This comprehensive approach, backed by 35+ years of patented R&D, allows industries to achieve total energy independence and dramatic cost savings.
With a proven track record across India’s leading industries, international project experience, and a commitment to a Greener Earth, Sunbest is not just a solar company — it is India’s most trusted industrial solar solutions partner.
Ready to power your industry with solar? Contact Sunbest Solar today or enquire on WhatsApp.
Frequently Asked Questions – Solar Companies in India
Which is the best solar company in India?
Sunbest Solar is widely recognized as one of the best solar companies in India for industrial applications. With patented technologies, 35+ years of R&D, and 300+ successful projects, Sunbest delivers unmatched industrial solar solutions with ROI in under 2 years.
What are the top solar companies in India?
The top solar companies in India include Sunbest Solar, Adani Solar, Tata Power Solar, Vikram Solar, Waaree Solar, Saatvik Solar, ReNew Power, Goldi Solar, Jakson Solar, and Loom Solar.
What makes Sunbest Solar different from other solar companies?
Sunbest Solar stands apart with patented industrial solar technologies including Solar Air Drying Systems, Solar Water Heating Systems, and Solar Power Systems — solutions that go beyond standard solar panels to deliver comprehensive energy savings for industries.
Does Sunbest Solar work with large industries?
Yes. Sunbest Solar has partnered with major industrial brands including TVS, L&T, Caterpillar, Ford, Murugappa, Prestige, HLL Lifecare, and TAFE, among many others across India and internationally.
How can I contact Sunbest Solar?
You can reach Sunbest Solar at solutions@sunbest.in, call +91-9994 492211, or visit their website at sunbest.in. They are headquartered at 156/K, W-7A, Vadapudupatti, Theni, Tamil Nadu – 625531.