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SAE Group

Battery ROI Calculator

Battery savings, sized around real household energy use.

Enter the customer’s bill data and instantly model a practical battery size, estimated annual savings, payback and realised profit. Clean, customer-facing, and no spreadsheet wrestling required.

Green = bill / project inputsOrange = battery sizing calculation
Recommended usable battery0.0 kWhBased on daily household usage.
Annual savings$0Estimated value captured by battery.
ROI period0.0 yrsBattery + panel cost ÷ annual savings.
10 year realised profit$0After estimated payback period.
Start with the bill. Finish with a smarter battery conversation.Green fields are customer inputs. Orange fields are calculated outputs from the battery sizing engine.
Live ROI estimate

Bill details

Use cents/kWh converted to dollars. Example: 39.68c = 0.3968.

Tariff
Price $/kWh
kWh on bill
Solar feed-in
Peak
Shoulder
Off peak
Bill days

Battery and project inputs

Battery size is calculated from usage. Add project cost to model payback.

Battery export estimate $/kWh
Battery cost
Panel cost
Battery usable storage kWh
0.0

Battery savings breakdown

Tariff$/kWh savedkWh/day$/day
Peak
Shoulder
Off peak
Total used
Excess export

ROI summary

Total savings per day
Total savings per annum
Total project cost
ROI years
10 years gross savings
12 years gross savings
10 years realised profit
12 years realised profit
Ready to turn the numbers into a quote?

Use this as a lead capture block or embed it inside a battery landing page.

Book a consultation

Indicative calculator only. Actual performance, tariffs, battery suitability and savings depend on site conditions, usage profile, retailer plan, system design and installation scope.