Battery Storage ROI Calculator
Battery System
kWh
kW
$
%
Utility Rates
$/kWh
$/kWh
$/kWh
hrs
$/kW
Solar
Payback Period9.3 years
10-Year ROI7.0%
Daily Arbitrage Savings$3.85
Annual Savings (Year 1)$1,404.00
10-Year Cumulative Savings$12,845.00
Monthly (Summer)$127.00
Monthly (Winter)$104.00
Year-by-Year Breakdown
| Year | Capacity (kWh)↕ | Annual Savings↕ | Cumulative↕ |
|---|---|---|---|
| 1 | 13.5 | $1,404.00 | $1,404.00 |
| 2 | 13.2 | $1,376.00 | $2,781.00 |
| 3 | 13.0 | $1,349.00 | $4,129.00 |
| 4 | 12.7 | $1,322.00 | $5,451.00 |
| 5 | 12.5 | $1,295.00 | $6,746.00 |
| 6 | 12.2 | $1,269.00 | $8,016.00 |
| 7 | 12.0 | $1,244.00 | $9,260.00 |
| 8 | 11.7 | $1,219.00 | $10,479.00 |
| 9 | 11.5 | $1,195.00 | $11,674.00 |
| 10 | 11.3 | $1,171.00 | $12,845.00 |