Buy from verified suppliers in Delhi, Delhi. Compare prices, get free quotes, PM Surya Ghar subsidy ₹78,000.
Electricity costs ₹3–8/unit via BSES / TPDDL. See your payback period in seconds.
Good accessories protect your system and keep it safe. Every rooftop system in Delhi needs proper DC and AC protection, earthing and solar-rated cables; skipping these is a common cause of failures and fire risk.
| Item | Purpose | Note |
|---|---|---|
| DCDB / ACDB | Fuses, SPDs and isolators | Required for safety and net metering |
| Earthing kit | Chemical earthing pits | Protects people and equipment |
| Lightning arrester | Diverts lightning strikes | Recommended on exposed roofs |
| Solar DC cable | UV-resistant 4–6 sq mm | Ordinary cable degrades in sunlight |
| MC4 connectors | Weatherproof panel joints | Use matching brands |
A 3 kW rooftop system in Delhi generates about 360 units a month. At BSES / TPDDL's tariff of ₹3–8/unit, that saves roughly ₹2,000 a month (₹24,000 a year). After the ₹78,000 PM Surya Ghar subsidy, a 3 kW system costs about ₹82,000–1,32,000, so it pays back in roughly 3.4–5.5 years. BSES / TPDDL handles net metering in Delhi, Delhi; your installer usually files the application. Get a precise figure with the solar calculator.