A 1500 sq ft roof in Chennai receives 5.5 hours of peak sun daily. This is a prime candidate for a 15 kW system.
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Prepared for property in Chennai
April 5, 2026
| Current Monthly Bill | ₹150 |
| Electricity Rate | ₹7.5/kWh |
| Daily Peak Sun Hours | 5.5 hours |
| Location | Chennai, India |
| Govt. Subsidy Eligible | ₹4,848PM Surya Ghar Muft Bijli Yojana |
Chennai receives an average of 5.5 hours of sunlight per day. With current electricity rates at ₹7.5/kWh, switching to solar replaces a permanent rental cost (utility bill) with a temporary investment cost (solar system). After the 0.4-year payback period, your energy production is essentially free.
Generated by CostSmart Solar Calculator. Estimates are based on average irradiance data and standard installation costs.
Visit https://costsmart.app for live updates.