A rooftop solar system converts sunlight into electricity using solar panels. The power generated is either used directly, stored in batteries, or exported to the grid through net metering (for on-grid systems). Most residential installations in India are on-grid, as they are cost-effective and eligible for government subsidies. The size of the system — measured in kilowatts (k... https://www.renovapulseenergy.com/post/solar-system-cost-in-india-2026-3kw-5kw-10kw-area-units-roi