Which is the No 1 Solar Company in India? Top Picks for 2025
- Vivek Kumar
- February 23, 2025
Which is the No 1 Solar Company in India?
Table Of Contents
The Indian solar industry has grown exponentially, driven by ambitious renewable energy targets and government incentives. But which is the No 1 solar company in India? In this article, we’ll dive deep into this question and explore the companies leading the charge in India's solar revolution.
Solar power is no longer a niche sector; it’s a necessity for a sustainable future. With so many companies competing, identifying the best one can be challenging. Let’s find out who tops the list and why.
Whether you're a homeowner, business owner, or simply curious about renewable energy, this guide will provide valuable insights into India's solar landscape.
Uncover India's leading solar company and explore how it shapes the nation's renewable energy future. Stay informed and inspired.
Which is the No 1 Solar Company in India?
Tata Power Company Limited - Top & No. 1 Solar Company in India
Company Overview
Tata Power Solar consistently ranks as the number one solar company in India. As part of the Tata Group, it excels in manufacturing solar modules, cells, and EPC (Engineering, Procurement, and Construction) services. Its strong reputation stems from decades of expertise and innovation in renewable energy.
The company has completed numerous large-scale projects, including utility-scale installations and rooftop solutions. Its commitment to quality and sustainability makes it a trusted name in the industry.
Tata Power is one of India's largest integrated power companies with a significant presence across the power value chain. The company has an installed generation capacity of 14,707 MW, with 39% derived from clean energy sources.
Location in India
Tata Power operates across 20 locations in India. Key facilities include:
- Thermal power stations in Mumbai, Gujarat, Jharkhand, Odisha, West Bengal, and Karnataka.
- Hydro stations in the Western Ghats of Maharashtra.
- Wind farms in states like Maharashtra, Gujarat, and Rajasthan.
- A solar module manufacturing plant in Tamil Nadu.
Services and Operations
Tata Power provides a wide range of services and operates across various segments of the power sector:
- Renewable energy generation including solar and wind power.
- Thermal energy generation and waste heat recovery projects.
- Transmission and distribution services across multiple states.
- Energy trading and storage solutions.
- Solar rooftop installations and EPC (Engineering, Procurement, and Construction) services.
- EV charging infrastructure development.
- Home automation services.
Key Services Provided by Tata Power
Tata Power is a leader in renewable energy with a focus on solar power. The company has shipped over 1 GW of solar modules and operates solar plants contributing to its green energy portfolio. Additionally, Tata Power is expanding its EV charging network and enhancing its service-led businesses to meet future energy demands.
Top Solar Companies Shaping India's Renewable Future
India's solar sector is home to several prominent players contributing to its green energy goals. Here are some of the top companies:
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Adani Solar - Top Solar Company in India
Company Overview
Adani Solar is India's first and largest vertically integrated solar PV manufacturer. It specializes in producing Monofacial and Bifacial PV modules with advanced technologies such as TOPCon and MonoPERC.
The company operates with a vision to establish a fully integrated solar manufacturing ecosystem at Mundra, India, spanning an area of over 800 acres.
Location in India
Adani Solar is headquartered in Mundra, Gujarat, India. Its state-of-the-art manufacturing facilities are part of one of the largest electronics manufacturing clusters in the country.
Services and Operations
- Manufacturing of solar PV cells and modules with capacities ranging from 1.2 GW to 4 GW.
- Production of metallurgical-grade silicon, polysilicon, ingots, wafers, cells, and modules.
- Development of ancillary products like solar glass, EVA sheets, aluminum frames, and junction boxes.
- Commitment to emerging technologies for enhanced efficiency and sustainability.
Key Services Provided
- High-efficiency solar PV module production with power classes ranging from 535W to 660W.
- Vertically integrated manufacturing for complete solar solutions.
- Support for India's renewable energy goals through sustainable practices.
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Vikram Solar - Top Solar Company in India
Company Overview
Vikram Solar, established in 2006 and headquartered in Kolkata, West Bengal, is one of India's largest solar module manufacturers. The company specializes in manufacturing high-efficiency photovoltaic (PV) modules and offers engineering, procurement, and construction (EPC) services along with operations and maintenance (O&M) solutions.
With a strong international presence across six continents, Vikram Solar has supplied solar PV modules to customers in 32 countries and achieved a cumulative annual production capacity of 4.5 GW.
Location in India
Vikram Solar operates from two manufacturing facilities located at:
- Falta SEZ, Kolkata, West Bengal
- Oragadam, Chennai, Tamil Nadu
Services and Operations
Vikram Solar provides a wide array of services and solutions in the renewable energy sector:
- Solar module manufacturing with advanced technologies
- EPC services for utility-scale and rooftop solar projects
- Operations and maintenance (O&M) of solar power plants
- Innovative solutions like floating solar plants and smart modules
Key Products and Technologies
The company offers a diverse range of solar products designed to meet various energy needs:
- High-efficiency mono PERC modules
- Monocrystalline and polycrystalline silicon cell modules
- Half-cut cell technology for enhanced performance
Notable Achievements
Vikram Solar has accomplished several milestones in the renewable energy sector:
- Commissioned over 1.3 GW of solar projects across India
- Pioneered India's first floating solar plant in Kolkata
- Awarded multiple contracts for utility-scale projects by NTPC
- Ranked as a 'Top Performer' in the PVEL PQP Reliability Scorecard multiple times
Global Footprint
The company has expanded its reach with sales offices in the United States, Germany, and a procurement office in China. This global presence reflects its commitment to driving the solar revolution worldwide.
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Waaree Energies - Top Solar Company in India
Company Overview
Waaree Energies Limited, founded in 1989, is India's largest manufacturer of solar PV modules with a manufacturing capacity of 13.3 GW. It operates globally across 20 countries and has a strong presence in over 388 locations in India.
Location in India
The company is headquartered in Mumbai, Maharashtra, and operates manufacturing facilities in Gujarat, including Chikhli, Surat, and Umbergaon.
Services and Products
Waaree Energies provides a wide range of solar energy solutions and products. Key offerings include:
- Solar PV modules
- EPC (Engineering, Procurement, and Construction) services
- Solar rooftop solutions
- Solar inverters
- Solar water pumps
- Energy storage solutions
- Project development services
Operations and Achievements
The company has delivered over 6 GW of solar modules worldwide and commissioned more than 1 GW of solar EPC projects. Waaree Energies has been recognized as a Bloomberg Tier 1 Solar Module Manufacturer for 35 consecutive quarters.
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Azure Power - Top Solar Company in India
Company Overview
Azure Power is a leading independent power producer and sustainable energy solutions provider in India. Founded in 2008, the company specializes in developing and operating utility-scale solar PV power plants. Azure Power is headquartered in New Delhi, India, and has a total capacity of over 7.4 GW, with 2.9 GW operational and 4.5 GW under construction.
Location in India
The headquarters of Azure Power is located at 8, Local Shopping Complex, New Delhi, 110062, India. The company also operates large-scale solar projects across various regions in India, including a significant presence in Bikaner, Rajasthan.
Services and Operations
Azure Power focuses on providing renewable energy solutions through large-scale solar projects. The company supplies power to government utilities and independent industrial and commercial customers under long-term fixed-price contracts.
- Development and operation of utility-scale solar PV power plants.
- Supply of renewable energy to government utilities and industrial customers.
- Execution of grid-scale renewable energy projects.
Key Projects
Azure Power developed India's first private utility-scale solar project in 2009 in Awan, Punjab. The company's 600 MW solar power project in Bikaner, Rajasthan, is the largest single-site solar project owned and operated by any developer in India.
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Loom Solar - Top Solar Company in India
Company Overview
Loom Solar, founded in 2018 by Amol and Amod Anand, is a leading renewable energy brand based in Faridabad, Haryana. The company specializes in manufacturing advanced solar panels, lithium batteries, and inverters for residential and commercial applications. It has rapidly expanded its presence across India and globally.
Location in India
Loom Solar operates from Faridabad, Haryana, with two manufacturing units and six warehouses. Its products are distributed pan-India through a network of over 10,000 resellers.
Services and Products
Loom Solar offers a wide range of solar solutions designed to meet diverse energy needs. Key products include:
- Solar Panels (including Shark Bifacial high-efficiency panels)
- Lithium Batteries
- Inverters
- On-grid and Off-grid Solar Systems
- AC Modules and MPPT Charge Controllers
Key Operations
The company focuses on providing end-to-end solar solutions tailored to urban and rural households. It also supports large-scale installations like its 475kW on-grid system in Tamil Nadu, showcasing its expertise in sustainable energy projects.
Notable Achievements
- Revenue of INR 35 Cr in FY2021
- Sold over 1.5 lakh rooftop solar systems to date
- Awarded as one of India's fastest-growing D2C brands in 2024
Future Plans
Loom Solar aims to expand its market share in the residential solar sector from 1% to 5% by 2025. It also plans to grow its energy storage solutions and form strategic partnerships for further growth.
Factors to Consider When Choosing a Solar Company
When selecting a solar company, several key factors should be considered to ensure a successful and sustainable investment. Here are the main aspects to evaluate:
1. Reputation and Experience
Choose a company with a solid track record, years of experience, and positive customer reviews. A reputable company is more likely to provide reliable service and high-quality installations. Look for awards or public recognition that indicate industry credibility.
2. Local vs. National Companies
- Local Companies: Often provide personalized service, faster response times for maintenance, and better knowledge of local regulations. They also tend to have lower prices compared to national firms.
- National Companies: May offer more financing options like leases or power purchase agreements but often rely on subcontractors, which can increase costs and reduce service quality.
3. Quality of Equipment
Ensure the company uses high-quality solar panels, inverters, and other components. Reliable equipment ensures better performance and longevity.
4. Customer Reviews and Testimonials
Check reviews on platforms like Google or Yelp. Positive feedback from past customers is a strong indicator of reliability. Ask for references or case studies from former clients to gain deeper insights into their service quality.
5. Installation Team
Prefer companies with in-house installation crews over those that subcontract work. In-house teams often provide better quality control and accountability.
6. Pricing and Financing Options
Avoid companies offering prices that seem too low, as they might cut corners on equipment or workmanship. Competitive pricing should align with market standards. Evaluate financing options such as loans, leases, or power purchase agreements (PPAs). Compare rates and additional fees to find the best deal for your financial situation.
7. Warranty and Maintenance
Look for companies offering comprehensive warranties on both equipment and installation (typically 10–25 years). This ensures long-term peace of mind. Assess their maintenance services and responsiveness to post-installation issues.
8. Regulatory Compliance
Ensure the company adheres to local regulations and obtains necessary permits for the installation process. Non-compliance can lead to costly adjustments later.
9. Financial Stability
Choose a financially stable company with reliable investors or backing. This ensures they will be around for future maintenance or warranty claims.
By carefully evaluating these factors, you can select a solar company that aligns with your energy needs, budget, and long-term goals.
The Role of Government Policies in Boosting Solar Growth
The Indian government has played a pivotal role in promoting solar energy through initiatives like subsidies, tax benefits, and ambitious capacity targets. These policies have attracted investments and encouraged innovation among solar companies.
The goal to achieve 280 GW of solar capacity by 2030 underscores India's commitment to renewable energy. Companies like Tata Power Solar benefit from these favorable policies, enabling them to expand their reach and impact.
Frequently Asked Questions - FAQs
Q. What makes Tata Power Solar the No 1 solar company in India?
A. Its strong reputation, diverse product portfolio, and successful large-scale projects make it a leader in the industry.
Q. Which other companies are leading in India's solar market?
A. Adani Solar, Vikram Solar, Waaree Energies, Azure Power, and Loom Solar are among the top contenders.
Q. How do I choose the best solar company for my needs?
A. Consider factors like experience, product quality, customer reviews, certifications, and cost-effectiveness when making your choice.
Q. What services do top solar companies offer?
A. They provide panel manufacturing, EPC services, rooftop solutions, maintenance, and consulting for projects.
Q. Are these companies reliable?
A. Yes, they have established their credibility through years of experience and successful installations.
Q. What are EPC services?
A. EPC stands for Engineering, Procurement, and Construction—comprehensive services offered by many top companies.
Q. How does government policy impact India's solar industry?
A. Policies like subsidies and tax benefits encourage investment and innovation among solar companies.
Q. Is rooftop solar worth it?
A. Yes, rooftop installations offer long-term savings on electricity bills while reducing carbon footprints.
Q. What is India's target for solar energy capacity?
A. The country aims to achieve 280 GW of installed solar capacity by 2030.
Q. How can I get started with installing solar panels?
A. Contact a reputable company like Tata Power Solar or Adani Solar for consultations tailored to your needs.
Conclusion
The Indian solar industry is thriving with leaders like Tata Power Solar at its helm. Whether you're considering residential or commercial installations, understanding which is the No 1 solar company in India can guide your decision-making process toward sustainability and savings.