SolarSavingsAnnual Indian Rooftop Solar Report (2026)
An authoritative analysis of rooftop solar dynamics in India. Learn which states offer the highest subsidies, the quickest payback returns, and how rising utility tariffs shape adoption curves under the PM Surya Ghar initiative.
1. Top States by Total Rooftop Subsidy (3kW System)
While the central PM Surya Ghar scheme caps its capital subsidy at ₹78,000 for standard 3kW systems, select progressive states offer additional state top-up incentives to drive rapid residential transition.
2. Average Payback Period (Years)
Payback periods are heavily dictated by the local utility slabs. Delhi leads in financial returns due to its direct Generation-Based Incentive, followed closely by high-tariff states like Uttar Pradesh and Maharashtra.
3. Electricity Tariffs & ROI Correlation
Higher grid electricity slab prices directly enhance the ROI of residential solar by making each offset unit of energy significantly more valuable. Below is a snapshot of high-slab rates by key DISCOMs:
MSEDCL (Maharashtra)
Highest grid slabs in the country. Homeowners save up to ₹4,500/month with a basic 3kW rooftop system.
BYPL / BRPL (Delhi)
Medium-high slab offset combined with the active ₹3.00/unit GBI credit, creating the fastest payback curve in India.
BESCOM (Karnataka)
Recent slab updates pushed pricing higher, increasing solar savings offsets by 12% over 2025 baselines.
4. Cumulative Indian Rooftop Solar Capacity (GW)
Led by the expansion of the PM Surya Ghar national portal, India's residential solar installation curve has experienced exponential growth, aiming towards the national goal of 30 GW by the end of the decade.
Compare Subsidies in Your Local Area
Run full 2026 economic calculations, cost estimations, and local DISCOM constraints in just 30 seconds.
Go to Calculator →