For Endusers
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.
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Search your address or drag the pin onto your roof. Works with manual coordinates too.
Sets your tariff band (~$0.19/kWh) — used to size savings, and to fill in your peak units if you skip that field.
Your highest monthly consumption in units (kWh) — the month with your peak usage over the past year, as shown on your electricity bill. Sizing off your peak month keeps the system ahead of your maximum demand.
Average monthly bill in USD — captured directly so we always have your exact figure on file, alongside your peak usage above.
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