How much does solar installation cost in Chennai?

Solar installation in Chennai begins with a ₹19,999 down payment. A 3 kW rooftop system typically ranges from ₹1,90,000 to ₹2,30,000 depending on the panels chosen and whether a standard or elevated mounting structure is needed. After installation, the balance is paid in full or via EMI, and the central government credits the PM Surya Ghar subsidy of ₹78,000 (for 3 kW and above) directly to your bank account. This brings your effective system cost to around ₹1,02,000 — for a system that saves you money for the next 25 years. Government subsidy is ₹30,000 for 1 kW, ₹60,000 for 2 kW, and ₹78,000 for 3 kW and above.

Who is the best solar company in Chennai?

GenSolar Energy is widely rated among the best solar companies in Chennai as a leading authorised Tata Solar dealer with 500+ completed installations, MNRE-approved equipment, a 25-year panel warranty and service across 6 districts — Chennai, Tiruvallur, Kancheepuram, Chengalpattu, Vellore and Viluppuram. Free site survey and full subsidy filing are included.

Is there a solar installation company near me in Chennai?

Yes — GenSolar Energy runs free site visits across Chennai including Ambattur, Avadi, Velachery, Tambaram and Anna Nagar, usually within 48 hours of your call. If you are searching for a solar installation company near me, call 8939102517 and a local engineer from your own taluk will survey your roof at no cost.

How long does solar installation take in Chennai?

The physical rooftop solar installation itself takes only about 8 to 10 hours — a single working day. The site survey takes one day, and if you share roof photos and your location with GenSolar we can quote within 2 hours. PM Surya Ghar approval usually comes in 2 to 5 business days, and TANGEDCO net metering in 2 to 10 days. Several of our Chennai customers were installed and generating power within 7 days of signing up.

What government subsidy is available for solar in Chennai?

Chennai homeowners get ₹30,000 for a 1 kW system, ₹60,000 for 2 kW and ₹78,000 for 3 kW and above under the PM Surya Ghar: Muft Bijli Yojana — ₹78,000 is the cap, so any system of 3 kW or larger receives the same ₹78,000. It applies to residential TANGEDCO consumers, the amount is credited by the central government directly to your bank account after installation, and GenSolar Energy files the entire National Portal application for you.

Rooftop Solar · Chennai

Solar Panel Installation in Chennai

End-to-end solar power in Chennai — survey, design, subsidy, net metering and installation by an authorised Tata Solar dealer.

GenSolar Energy handles solar panel installation in Chennai end to end — free rooftop survey, system design, PM Surya Ghar subsidy filing, TANGEDCO net metering, installation in about 8–10 hours and 25-year warranty registration.

Chennai receives about 5.8 hours of usable sunlight a day, among the best in Tamil Nadu, so every kilowatt installed on a city rooftop generates roughly 120 units a month. For a typical household running two ACs and a pump, a 3 kW system covers almost the whole bill. Larger villas, clinics and small factories move to 5 kW–10 kW and beyond.

As a solar installation company in Chennai we work with genuine Tata Power Solar modules as the default, with Waaree, Adani and Vikram available on request. Every panel is ALMM-listed and MNRE-approved, which is what keeps your subsidy claim valid.

GenSolar Energy is an authorised Tata Solar dealer and rooftop solar installation company serving Chennai, Tiruvallur, Kancheepuram, Vellore, Chengalpattu and Viluppuram, with 500+ installations, MNRE approval and a 25-year warranty.

Book a free survey See installation costs

How solar panel installation in Chennai works

1. Free site survey

Our Chennai engineer measures usable roof area, runs shadow analysis across the day, checks the RCC slab or sheet structure and reads your last TANGEDCO bill to size the system.

2. Design, quote & subsidy filing

You get an itemised design — panel count, inverter model, structure gauge, cable route. We then file the PM Surya Ghar application on the National Portal and start TANGEDCO net-metering approval.

3. Installation in 8–10 hours

Mounting structure, panel laying, DC/AC cabling, earthing and lightning arrestor, inverter mounting and ACDB/DCDB wiring — usually completed in a single working day by our own crew, not subcontracted labour.

4. Net meter & commissioning

TANGEDCO installs the bi-directional meter, we commission the system, hand over the monitoring app and register your 25-year panel warranty in your name.

Which system size suits your Chennai home?

Sizing is driven by your monthly TANGEDCO units, not by roof size alone. A 1 kW system needs about 70 sq ft of shade-free roof and produces ~120 units a month; 3 kW needs ~200 sq ft and produces ~360 units. Apartments usually start with a common-area system for lifts, pumps and corridor lighting, while independent houses in Ambattur, Velachery, Anna Nagar and Tambaram normally land on 3 kW–5 kW.

On-grid, hybrid or off-grid?

On-grid is the cheapest and the only configuration eligible for full net metering — right for most of central Chennai. Hybrid adds a lithium battery and keeps essentials running through outages, which is worth it on the Avadi–Tiruvallur corridor. Off-grid is reserved for farms and sites without a reliable TANGEDCO connection.

Solar panel installation near you in Chennai

Our crews cover the whole city. Pick your area for local detail:

Ambattur Avadi Velachery Tambaram Anna Nagar Porur

Answers