Home Battery Payback Calculator

Rough out how many years a battery takes to pay for itself from bill savings.

Net battery cost after rebates: $9000 Solar energy shifted into evening use per day: 9 kWh Your evening grid rate (c/kWh): 34c Feed-in tariff you'd otherwise earn (c/kWh): 4c

Annual saving (est.)—

Simple payback—

Simple payback = net cost ÷ annual saving; ignores VPP income, tariff changes and degradation. Estimates only — not financial advice.

Home Battery Payback Calculator

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