No jargon, no sales pitch. Understand how each type of solar system actually works in India — the money, the constraints, and who each one suits.
The cheapest, most common setup. Cut your bill, claim subsidy, export surplus — but no backup during outages.
Battery-backed independence. Works through blackouts, but costs more and no subsidy.
Grid-tied with a small battery. Export like on-grid, keep essentials running during cuts.
Big terrace, warehouse roof, or idle plot? Oversize and sell what you don't use.
Poly vs Mono PERC vs TOPCon vs Bifacial — efficiency, cost, and when each makes sense.
Turn your monthly units into kW, panel count and roof space — with tables by usage and state.
How many units 1 kW to 10 kW of panels make per day, month and year in each state, and what lowers output.
How exported units are credited, net vs gross metering, and the national rules on limits and timelines.
Sizing, cost per kW, 40% accelerated depreciation, ToD tariffs and payback for shops, offices and factories.
Price per kW, a 1–10 kW price list before and after subsidy, DCR panel prices and what batteries add.
The residential subsidy explained — slabs, eligibility, and how to apply.
The calculator turns any of these into a real cost, subsidy, and payback estimate for your home.
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