Top 10 Solar Panel Companies in Kolkata 2026

Kolkata is rapidly moving toward clean and renewable energy as electricity costs rise and awareness about climate change grows. Solar power has become one of the most preferred energy options for homes, businesses, industries, and institutions across the city. With supportive government policies and increasing demand, many solar companies in Kolkata are offering reliable and affordable solar solutions.

If you are planning to install a rooftop solar system or a large solar power plant, choosing the right solar company in Kolkata is very important. In this article, we bring you a carefully curated list of the Top 10 Solar Panel Companies in Kolkata, known for quality products, professional service, and long-term support.

Why Choose Solar Energy in Kolkata?

Kolkata receives good sunlight for most of the year, making it suitable for solar power generation. Installing solar panels helps you:

• Reduce monthly electricity bills
• Become less dependent on the grid
• Lower carbon emissions
• Increase property value
• Avail government subsidies and net metering benefits

With the right solar company, switching to solar becomes a smooth and profitable decision.

Top 10 Solar Panel Companies in Kolkata

1. Tata Power Solar

Tata Power Solar is one of the most trusted names in the Indian solar industry. The company offers complete solar solutions, including rooftop systems, ground-mounted plants, and solar water pumps. In Kolkata, Tata Power Solar is known for its strong service network, high-quality solar panels, and reliable after-sales support.

Why choose them:

• Premium quality solar panels
• Strong brand trust
• End-to-end solar solutions

2. Bluebird Solar

Bluebird Solar is a leading solar panel manufacturer and EPC service provider in India and has a growing presence in eastern India, including Kolkata. With over 45 years of industry experience, Bluebird Solar is known for its high-efficiency solar PV modules, advanced manufacturing technology, and customized solar solutions.

The company offers rooftop solar systems for homes, commercial buildings, and industries, along with large-scale utility solar projects. Bluebird Solar’s focus on quality, performance, and long-term reliability makes it one of the best solar companies in Kolkata for customers looking for value and durability.

Why choose Bluebird Solar:

• Advanced solar PV module manufacturing
• High-efficiency and durable panels
• Strong EPC expertise
• Trusted by residential and industrial clients

3. Vikram Solar

Vikram Solar is headquartered in West Bengal and is one of the most prominent solar companies in Kolkata. The company manufactures high-quality solar modules and provides EPC services across India and globally. Its local presence gives it an advantage in understanding regional requirements.

Why choose them:

• Local manufacturing strength
• High-performance solar modules
• Strong project execution capability

4. Waaree Energies

Waaree Energies is one of India’s largest solar panel manufacturers and has an active presence in Kolkata. The company offers a wide range of solar products, including rooftop systems, inverters, and solar batteries.

Why choose them:

• Wide dealer network
• Affordable solar solutions
• Strong technical support

5. Adani Solar

Adani Solar is part of the Adani Group and is known for large-scale solar projects and high-quality solar modules. In Kolkata, Adani Solar serves commercial, industrial, and utility-scale customers.

Why choose them:

• Backed by a strong corporate group
• Advanced solar technology
• Reliable project delivery

6. RenewSys India

RenewSys is a well-known name in solar manufacturing and EPC services. The company supplies solar panels, inverters, and other key components and also provides installation services in Kolkata.

Why choose them:

• Integrated solar solutions
• Consistent product quality
• Suitable for rooftop and industrial projects

7. Luminous Solar

Luminous is widely recognized for solar inverters and batteries and also offers solar panel solutions. In Kolkata, Luminous is popular among residential customers looking for small to medium rooftop systems.

Why choose them:

• Strong focus on home solar systems
• Good after-sales service
• Trusted Indian brand

8. SunEdison Energy India

SunEdison Energy India provides customized solar EPC solutions for commercial and industrial clients. The company focuses on performance-driven solar plants with long-term energy savings.

Why choose them:

• Customized solar designs
• Strong engineering expertise
• Focus on high ROI projects

9. Fourth Partner Energy

Fourth Partner Energy is a fast-growing solar company in Kolkata, mainly serving commercial and industrial customers. The company specializes in rooftop solar projects under CAPEX and OPEX models.

Why choose them:

• Innovative financing options
• Professional project execution
• Focus on corporate clients

10. Rays Power Infra

Rays Power Infra is known for developing and executing large solar power projects across India. In Kolkata, the company offers EPC services for commercial and industrial solar installations.

Why choose them:

• Experience in large-scale solar projects
• Strong technical team
• Reliable project management

How to Choose the Best Solar Company in Kolkata?

Before finalizing a solar company in Kolkata, consider the following points:

• Quality and efficiency of solar panels
• Experience and past projects
• Warranty and after-sales service
• EPC capabilities
• Customer reviews and brand reputation

Choosing from the best solar companies in Kolkata ensures long-term savings and peace of mind.

Conclusion

Solar energy is the future of power generation in Kolkata, and choosing the right partner is the key to success. The companies listed above are among the best solar companies in Kolkata, offering reliable, efficient, and affordable solar solutions.

If you are looking for a trusted and experienced solar partner, Bluebird Solar stands out with its strong manufacturing base, advanced technology, and commitment to quality. Whether it’s a home rooftop system or a large industrial project, the right solar company can help you move toward a cleaner and greener future.