Solar ROI in Kolkata
Stop renting your power and start owning it. For residents of Kolkata, the transition to solar is becoming a financial no-brainer. Grid rates have been climbing, currently sitting at ₹8.9/kWh.
By leveraging the 4.8 hours of sunlight your roof receives every day, you can lock in your energy costs for the next 25 years.Even with moderate sun, the rising cost of grid power makes solar a smart hedge against inflation.
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Cumulative Net Savings (10 Years)
Inflation Adj.Solar Potential Report
Prepared for property in Kolkata
May 27, 2026
Executive Summary
Input Parameters
| Current Monthly Bill | ₹150 |
| Electricity Rate | ₹8.9/kWh |
| Daily Peak Sun Hours | 4.8 hours |
| Location | Kolkata, India |
| Govt. Subsidy Eligible | ₹4,682PM Surya Ghar Muft Bijli Yojana |
Why Solar Works Here
Kolkata receives an average of 4.8 hours of sunlight per day. With current electricity rates at ₹8.9/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://cost-smart-five.vercel.app for live updates.
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Explore NeighborhoodsLocal Solar Stats
- Daily Sun Hours4.8 hrs
- Grid Cost8.9/kWh
- Install Cost~60000/kW
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