Top 5 Solar Panel Installers in Kolkata: Your 2025 Guide to Going Solar

Kolkata, India's vibrant cultural capital known for its rich history and bustling energy, is increasingly embracing a sustainable future. As the city grows and energy demands rise, residents and businesses are looking towards cleaner, more economical power sources. Solar energy, particularly rooftop solar installation, is emerging as a frontrunner in Kolkata's green transition, leveraging the ample sunshine the region receives.

Why Choose Solar Power in Kolkata?

Switching to solar in the 'City of Joy' offers numerous advantages:

• Combat Rising Electricity Costs: Generate your own power and significantly reduce your monthly electricity bills from the local DISCOM (CESC or WBSEDCL, depending on your area).
• Embrace Clean Energy: Reduce your carbon footprint and contribute to a healthier environment by using emission-free solar power.
• Government Incentives: Benefit from potential Central Financial Assistance (CFA) under the national rooftop solar scheme (check the PM Surya Ghar: Muft Bijli Yojana portal) and any state-level policies promoting solar energy.
• Energy Security: Gain greater independence from grid power fluctuations and tariff hikes.

Choosing the right partner is crucial for a successful solar installation. Here's a list of some of the top solar installers serving Kolkata in 2025:

Top 10 Solar Installation Companies in Kolkata

This list highlights companies known for their services and presence in the Kolkata market. Remember to conduct your own due diligence before choosing an installer.

1. SolarDay (www.solarday.in) - A leading solar energy solutions provider based in Eastern India, SolarDay specialises in high-quality residential and commercial rooftop solar installations. They are known for their customer-centric approach, expertise in navigating local regulations and subsidy processes, and commitment to using reliable technology for long-term performance in the Kolkata region.

2. KSL Cleantech Limited (Formerly Kirti Solar) - A well-established name in Eastern India, KSL Cleantech provides comprehensive solar solutions, including rooftop installations, solar parks, and manufacturing of solar products.

3. Evergreen Solar - Offers solar power solutions including rooftop systems, often catering to both residential and commercial needs within the Kolkata metropolitan area.

4. Onergy Solar - Specialises in renewable energy solutions, prominently featuring solar rooftop installations for residential and commercial properties in and around Kolkata.

5. Green Watt Solar - Another leading company providing solar panel installations and related services within the Kolkata region, catering to clean energy needs.

Choosing Your Solar Installer

When selecting a solar company in Kolkata:

• Get Multiple Quotes: Compare system design, component quality (panels, inverter), warranties, and pricing.
• Check Credentials: Ensure they are registered, have relevant certifications, and experience with local DISCOM procedures (CESC/WBSEDCL).
• Read Reviews & Ask for References: Look for feedback from previous customers in Kolkata.
• Understand Warranties: Clarify warranties on panels (usually 25 years performance), inverters (5-10+ years), and workmanship (1-5 years).

Disclaimer: This list is compiled based on available online information, reputation, and noted presence in Kolkata as of early 2025. Service quality and company status can change. It is highly recommended to conduct thorough research, verify addresses and credentials directly, and obtain multiple quotations before engaging any solar installer.

Making the switch to solar is a smart investment for your wallet and the planet. By choosing a reputable local installer, Kolkata residents can confidently harness the power of the sun.