Solar tips

Plain-language answers on panels, batteries, subsidies and upkeep.

Solar tips

Common solar questions, answered

Sizing

How many solar panels does a home need?

Most homes using 150–300 units a month need a 2–3 kW system, about 4–6 modern panels. Here is how to work it out from your own bill.

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Savings

How net metering lowers your bill

Extra power your panels send to the grid is credited against the units you use, so you only pay for the difference.

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Batteries

Choosing the right inverter battery

Add up the load you need during a power cut and how many hours of backup you want. Here is the simple maths, with a worked example.

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Maintenance

Keeping panels clean in dusty weather

Rinse panels with plain water every 2–3 weeks in dry months, early morning or evening. Avoid detergent and hard brushes that scratch the glass.

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Business

Why solar pays back faster for shops

Shops and units use most of their power in the daytime, exactly when panels generate, so more of the solar output directly replaces units you pay for.

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Subsidy

Rooftop solar subsidy in plain language

PM Surya Ghar pays homes up to ₹78,000 towards rooftop solar. Here is how much you get, who qualifies and how the money reaches you.

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Ready to see what the sun can save you?