Solar calculator
Enter your monthly bill to see the right system size, subsidy, EMI, savings and payback — for homes, societies and businesses.
Your estimate
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Recommended system · Roof needed
Your price after subsidy
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Savings per year
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Payback
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Savings in 25 years
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Zero-investment saving / yr
Home bills use MSEDCL LT-I slabs (MERC Case 217 of 2024 (MSEDCL MYT order), FY 2026-27): energy charge + wheeling + fixed charge + 16% duty, with net metering. Prices are indicative; exact figures after a free site survey.
Assumptions
How we calculate
| MSEDCL home slab (units/month) | Energy charge |
|---|---|
| 0 – 100 | ₹4.32/unit |
| 101 – 300 | ₹9.4/unit |
| 301 – 500 | ₹12.51/unit |
| 501 – above | ₹13.97/unit |
- + wheeling ₹1.6/unit, fixed charge ₹130/month (₹435 three-phase), 16% electricity duty · MERC Case 217 of 2024 (MSEDCL MYT order), FY 2026-27
- Practical generation: 3.8 units per kW per day (after heat, dust and wiring losses); panels lose 0.5% a year; grid tariff rises 3% a year
- Home subsidy per PM Surya Ghar (max ₹78,000); housing society ₹18,000/kW
- EMI: shortest loan (3–10 years) that keeps your EMI at or below today’s bill saving · 5.75% up to 3 kW
- Business: your own average ₹/unit; zero-investment tariff ~₹6/unit