Top 10 Solar Panel Companies in Delhi, India: Your Guide to the Best Solar Providers
In a metropolitan city, such as Delhi solar power is being adopted at an accelerated pace. Solar panels is a highly recommended option to relate and keep energy efficient. But, the million-dollar question is how to choose a solar panel company. Here we are to tell you the Solar Panel Companies In Delhi Top List. These companies are known for their excellent products and services. By selecting the best solar panel provider, you can help preserve the environment in addition to saving energy.
Standards by which companies are ranked
In order to determine which Delhi solar panel firms are the best, we considered the following crucial factors:
- Experience and competence: Businesses with years of solar industry experience and competence are given a higher ranking.
- Product Quality: The durability and efficiency of the companies’ solar panels have been evaluated through testing.
- Customer Reviews: We have also considered the opinions and reviews of our customers.
- Certifications and Recognition: It’s also critical to determine whether the businesses have government recognition and industry standards certifications.
Top 10 Solar Panel Companies in Delhi
2. Thermosun
At Thermosun, a leading solar energy EPC company dedicated to making the vision of energy into a reality. As a best solar company in Delhi, we specialize in end-to-end solutions, from design and engineering to procurement and construction. With a commitment to excellence, we offer customized solar equipment that primes sustainability.
Our experienced team combines expertise with innovation to ensure that each installation exceeds expectations. Be it for residential, commercial, or industrial needs, Thermosun is your trusted partner in creating a brighter and greener future by harnessing the power of the sun.
Our mission is to revolutionize the way we generate and consume energy by harnessing the power of solar technology. As a result, our goal is to make solar energy accessible, reliable and affordable for everyone, paving the way towards a cleaner, greener planet for future generations.
Check Thermosun business profile on Google.
3. Vikram Solar
Vikram Solar, one of the largest suppliers of solar energy products, ships mono and bifacial solar panel modules to six continents. In India, they have put over 1355 MW of solar power into service and installed it. They have a 10 kW floating solar plant and a 1 GW+ solar panel manufacturing facility in Kolkata.
6. Loom Solar Pvt. Ltd
In 2018, Loom Solar, based in Faridabad, Haryana, joined the Indian solar panel manufacturing market. Presently, it maintains a channel sales network with over 3500 resellers in over 500 districts of Indian states and offers solar panels to produce sustainable energy. Loom Solar has an annual manufacturing capacity of 100 MW.
How to Choose the Right Solar Company in Delhi in 2026?
When choosing a solar installation company in Delhi NCR, ask these 5 critical questions before signing any contract:
- Are you an MNRE-approved vendor? Only MNRE-registered installers qualify for PM Surya Ghar subsidy — always verify before proceeding.
- Is the mounting structure Hot-Dip Galvanized Steel? Delhi NCR’s monsoon season causes rapid rusting in low-quality structures — a galvanized structure ensures 25+ years of durability.
- Will you handle the Net Metering application with DISCOM? A reliable solar company manages all DISCOM paperwork on your behalf — never accept a company that pushes this responsibility to the customer.
- What is your Google Rating and how many local projects have you completed? Check real customer reviews from your specific locality, not just overall ratings.
- Do you offer a dedicated AMC (Annual Maintenance Contract)? Delhi NCR’s high dust levels require regular cleaning and maintenance — an AMC ensures your system performs at peak efficiency year-round.
Frequently Asked Questions
Which is the best solar company in Delhi NCR for residential homes?
Thermosun is highly recommended for residential solar in Delhi NCR, backed by 5+ years of experience and 1000+ satisfied customers. We provide end-to-end service including subsidy assistance, net metering, and AMC support across Malviya Nagar, Saket, Rohini, Pitampura, Dr. Mukherjee Nagar, and more.
What is the cost of a 5kW solar system in Delhi in 2026?
A 5kW rooftop solar system typically costs around ₹3,00,000 – ₹3,50,000 before subsidies. After the PM Surya Ghar subsidy of ₹78,000 and applicable Delhi state subsidy, the effective cost comes down to approximately ₹2,20,000 – ₹2,42,000.
How much rooftop space do I need for solar panels in Delhi?
You need approximately 80–100 square feet of shadow-free area per 1kW of solar capacity. A 5kW system requires roughly 400–500 sq. ft. of usable rooftop space. A free site survey helps assess exact suitability before recommending a system size.
How long does the solar installation process take in Delhi NCR?
Physical installation is typically completed within 2–3 days. However, the complete process — including DISCOM net metering approval and PM Surya Ghar subsidy disbursement — generally takes 30 to 60 days. All documentation and follow-ups are handled on your behalf.
Can I install solar panels on a builder floor in Delhi?
Yes, independent floor owners in Delhi are fully eligible for rooftop solar installation. Our team handles roof-sharing permissions and necessary NOC process, making the entire experience smooth and hassle-free.
Does solar work during power cuts in Delhi?
Standard on-grid systems automatically shut down during power cuts due to anti-islanding safety regulations. If uninterrupted power is important, a Hybrid Solar System with battery backup is recommended — giving you clean solar energy even during Delhi’s frequent grid failures.
Which solar panel brands are used?
Only premium-grade panels from trusted brands — Adani Solar, Waaree, Vikram Solar, Luminous, and Polycab — ensuring long-term performance, manufacturer warranty, and subsidy eligibility.
Has Thermosun completed any government solar projects?
Yes. Thermosun has successfully executed large-scale government solar projects including Delhi Fire Stations, Tees Hazari Court, and Tihar Jail — a testament to our technical capabilities, reliability, and compliance with the highest installation standards.
Conclusion: Start Your Solar Journey Today
The era of high electricity bills is ending for those who make the switch to solar. Choosing the best solar company in Delhi ensures your transition to clean energy is safe, affordable, and completely hassle-free. Whether you need solar installation in Malviya Nagar, Rohini, Pitampura, Saket, Faridabad, Gurugram, or anywhere across Delhi NCR — our expert team is ready to help you maximize your rooftop’s energy potential.
Contact us today for a FREE site survey and let our experts design the perfect solar system for your home or business!