About
Homeowners and commercial property managers seeking to reduce reliance on grid electricity often utilize the services at this facility. The expertise provided covers the installation of rooftop solar photovoltaic systems tailored for residential and small-scale commercial use within the Chennai area. For buyers assessing the financial viability of solar adoption, understanding the local electricity tariff structure is key to estimating return on investment. With current electricity rates in Tamil Nadu, the payback period is directly influenced by the rate of consumption offset by the generated solar power. A detailed assessment considering the average residential tariff rates can help determine the payback timeline. Furthermore, the system's contribution to overall energy independence provides a measurable return that extends beyond simple cost savings, factoring in grid stability and long-term operational resilience.
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Rooftop solar in Chennai, Tamil Nadu
A standard residential rooftop solar system in Chennai sizes between 1 kW and 5 kW depending on monthly consumption. Most Chennai homeowners pick a 3 kW system — it covers 300–400 units a month and captures the full ₹78,000 PM-Surya Ghar central subsidy.
Installed cost for a 3 kW system runs ₹1.8 lakh to ₹2.4 lakh; after the central subsidy your net outlay is ₹1.0 lakh to ₹1.6 lakh. Payback typically lands between 3.5 and 5 years — and the panels carry a 25-year warranty. TrioSolar can quote your specific roof; use the Get Quote form above or call 098846 31096.
The installer handles the PM-Surya Ghar registration, DISCOM net-metering application, system installation, and commissioning. Confirm AMC terms, panel warranty (look for Tier-1 manufacturer + 25-year linear-power guarantee), and inverter warranty (10 years minimum) before signing.
What to check before booking
- Site visit and shading analysis — this determines the realistic kW your roof can support
- PM-Surya Ghar registration done on your behalf, with the ₹78,000 subsidy credited directly to your bank
- DISCOM net-metering application and commissioning — installer should handle this end-to-end
- Tier-1 panels with 25-year linear-power warranty (degradation ≤0.55% per year)
- Inverter warranty (10 years minimum) and on-site replacement policy
- AMC contract for at least 5 years (panel cleaning, performance check, inverter health)
Frequently asked questions
How much PM-Surya Ghar subsidy can I get in Chennai?
PM-Surya Ghar: Muft Bijli Yojana offers up to ₹78,000 for a residential rooftop solar system (₹30,000 per kW for the first 2 kW, ₹18,000 for the 3rd kW). Most households choose a 3 kW system to capture the full subsidy. Tamil Nadu residents apply through the national pmsuryaghar.gov.in portal — your DISCOM and the installer handle the rest.
What's the typical cost of a 3 kW system in Chennai?
A 3 kW grid-connected residential rooftop system costs ₹1.8 lakh to ₹2.4 lakh installed (₹60,000 – ₹80,000 per kW). After the ₹78,000 PM-Surya Ghar subsidy, your net cost is ₹1.0 lakh to ₹1.6 lakh. Payback for a typical household in Tamil Nadu is 3.5 – 5 years; the panels carry a 25-year warranty.
Does TrioSolar handle net-metering paperwork?
Reputable solar installers handle the net-metering and DISCOM application end-to-end — site survey, design, DISCOM application, installation, commissioning, and meter installation. Confirm with TrioSolar when you call (098846 31096) or fill the Get Quote form above.
What panels and inverters does TrioSolar typically install?
For PM-Surya Ghar eligibility, panels must be from approved manufacturers — typically Tier-1 brands such as Adani, Vikram, Waaree, Tata Power Solar, Premier Energies, or Loom Solar. Inverters are usually Growatt, Solis, Microtek, Polycab, or Luminous. Ask for the specific model and the 25-year linear-power warranty document.
How long does installation take?
Typical timeline: 3 days for site survey + design, 10–20 days for DISCOM approval, 1–2 days for installation, 7–15 days for net-meter installation and commissioning. End-to-end is 4–8 weeks for most residential installations in Chennai.
Location
3b, 3rd floor, 14/20, Dr Nair Rd, above vurve salon, T. Nagar, Chennai, Tamil Nadu 600017, India
View on Google Maps →Opening hours
| Sunday | Closed |
|---|---|
| Monday | 09:00 – 19:00 |
| Tuesday | 09:00 – 19:00 |
| Wednesday | 09:00 – 19:00 |
| Thursday | 09:00 – 19:00 |
| Friday | 09:00 – 19:00 |
| Saturday | 09:00 – 19:00 |