Rooftop solar in Coimbatore
Calculator below is tuned to Coimbatore's sunshine, not a generic national average.
- Peak sun
- ~5.2 hrs/day
- Generation
- ~4.2 units/kW/day
- Max subsidy
- ₹78,000
Where your money goes
Your 25-year money curve
What the planet gets
Based on India's grid emission factor (~0.82 kg CO₂/unit) and ~20 kg CO₂ absorbed per mature tree per year.
TANGEDCO offers net metering / net billing for residential rooftop solar. Central PM Surya Ghar subsidy applies.
Enter a valid monthly bill greater than ₹0 to see your results.
Solar in Coimbatore: what's different locally
Coimbatore's independent-house culture and moderate climate make it Tamil Nadu's easiest rooftop market. Textile-belt industrial roofs also do well on the commercial side.
DISCOM: TANGEDCO Coimbatore region.
Typical residential areas going solar: RS Puram, Saibaba Colony, Peelamedu, anywhere with a shadow-free roof works the same way.
| Electricity provider | TANGEDCO |
|---|---|
| Avg peak sun hours | ~5.2 hours/day |
| 3kW generates | ~378 units/month |
| Benchmark install cost | ~₹60,000/kW (gross, before subsidy) |
| 3kW total subsidy | ₹78,000 |
| Application timeline | 30-45 days |
Sun-hour figures are annual averages from public irradiance data, rounded, your roof's orientation and shading move the real number. Generation assumes a ~0.8 performance ratio (inverter losses, temperature, soiling).
Official portals, apply & verify here
We are not affiliated with any government body. Applications and current scheme rules live on these official portals, never pay anyone to "arrange" the subsidy for you.
Sources for this page
- PM Surya Ghar Muft Bijli Yojana (MNRE), subsidy slabs and process
- TANGEDCO, tariff and net metering details
- Global Solar Atlas, city irradiance ballparks
Coimbatore solar FAQs
How much does a 3kW solar system generate in Coimbatore?
Roughly 378 units per month, based on Coimbatore's ~5.2 peak sun hours per day (about 4.2 units per kW daily after real-world losses). High-sun months generate more, monsoon months less, this is the annual average.
What subsidy do I get for rooftop solar in Coimbatore?
The same as everywhere in Tamil Nadu: ₹30,000 (1kW), ₹60,000 (2kW), ₹78,000 (3kW+) under PM Surya Ghar. Applications go through pmsuryaghar.gov.in.
Who handles net metering in Coimbatore?
TANGEDCO Coimbatore region. Expect roughly 30-45 days for the full process.
Is solar worth it in Coimbatore?
Coimbatore's independent-house culture and moderate climate make it Tamil Nadu's easiest rooftop market. Textile-belt industrial roofs also do well on the commercial side.