Preview your solar journey

Point at your rooftop, tell us your electricity bill, and see the system size, roof area, savings and payback you can expect — computed from real measured sunlight at your location, not a generic average.

Step 1 — Your location

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Latitude

Longitude

Search your address or drag the pin onto your roof. Works with manual coordinates too.

Step 2 — Your electricity usage

Monthly consumption in units — printed on every electricity bill.

Tariff override (optional)

Know your exact per-unit rate? Enter it for a sharper savings estimate.

3 free previews per day. No sign-up needed.

Your estimate

Your personalised recommendation appears here: system size, panel count, roof area, yearly generation, monthly savings, battery options and indicative payback — sized with the same engineering rules SriWatt's EPC platform uses.

System size— kW

Roof area needed— m²

Annual generation— kWh

Monthly savings—

Payback— years