IN SolarApril 3, 2026 · 8 min read · India
Rooftop Solar ROI India 2026 Payback Period by State
Rooftop solar payback in India: 3-5 years after PM Surya Ghar subsidy. Best ROI in Maharashtra, Delhi, Rajasthan (high rates + good sun). 25-year savings: ₹5-10 lakh.
After subsidy payback: 3-5 years in most states
After subsidy payback: 3-5 years in most states
Maharashtra/Delhi: fastest payback due to high electricity rates (₹8-1
Maharashtra/Delhi: fastest payback due to high electricity rates (₹8-12/unit)
Rajasthan/Gujarat: excellent sun (1,600+ kWh/kWp) accelerates ROI
Rajasthan/Gujarat: excellent sun (1,600+ kWh/kWp) accelerates ROI
25-year net savings: ₹5-10 lakh depending on system size and rates
25-year net savings: ₹5-10 lakh depending on system size and rates
ROI improves annually as electricity rates increase 3-5%/year
ROI improves annually as electricity rates increase 3-5%/year
Disclaimer: For reference only. Consult a licensed professional.