About the Subsidy / CFA Impact
The PM Surya Ghar Central Financial Assistance (CFA) is the central government subsidy for residential rooftop solar in India. This calculator works out the subsidy and net cost for your system size.
Formula
Subsidy = ₹30,000/kW (≤2 kW) + ₹18,000/kW (2–3 kW), capped at ₹78,000
- ≤2 kW
- ₹30,000 per kW for the first 2 kW
- 2–3 kW
- ₹18,000 per kW for the 2–3 kW slab
- cap
- Maximum ₹78,000 for systems ≥3 kW
How to calculate it
- 1Apply ₹30,000/kW for capacity up to 2 kW.
- 2Add ₹18,000/kW for capacity between 2 and 3 kW.
- 3Cap the total at ₹78,000 for any system of 3 kW or larger.
- 4Subtract the subsidy from the gross system cost to get your net investment.
Worked example
A 3 kW system gets ₹30,000×2 + ₹18,000×1 = ₹78,000 — the maximum. A 2 kW system gets ₹60,000; a 1 kW system gets ₹30,000.
What you can calculate
- PM Suryaghar slabs
- MNRE CFA
- Effective cost
- Payback reduction
Standards & references
Frequently asked questions
What is the maximum PM Surya Ghar subsidy?
₹78,000, reached at a 3 kW system. Systems larger than 3 kW still receive ₹78,000 — the subsidy does not increase further.
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