NPV
$1,332
Discounted at your hurdle rate over 12 years
Quote analysis
Type in a real installer quote and see the DCF answer.IRR
8.0%
Beats your minimum return target
Discounted payback
9.8 yrs
Year cumulative discounted cashflow turns positive
Year-1 saving
$1,698
Imports avoided, export effects, grid charging and standby
How this plan is modeled. The battery stores excess solar and later reduces household imports. Ordinary solar export can still happen when the battery is full or charging is constrained.
Cashflow stream
Current Origin Standing · 13.5 kWh · $12,000 net upfront · 6.0% hurdle · 0.0% tariff growthInteractive chart loading…
Annual savings by tariff bucket — Current Origin Standing
Interactive chart loading…
The battery stores excess solar first and later reduces household imports. Any solar export shown is ordinary residual solar export, not intentional battery export.
Year-by-year detail
| Year | Undiscounted | Discounted | Cumulative discounted cashflow |
|---|---|---|---|
| 0 | -$12,000 | -$12,000 | -$12,000 |
| 1 | $1,698 | $1,602 | -$10,398 |
| 2 | $1,676 | $1,492 | -$8,906 |
| 3 | $1,654 | $1,389 | -$7,517 |
| 4 | $1,632 | $1,292 | -$6,225 |
| 5 | $1,609 | $1,203 | -$5,022 |
| 6 | $1,586 | $1,118 | -$3,904 |
| 7 | $1,564 | $1,040 | -$2,864 |
| 8 | $1,541 | $967 | -$1,897 |
| 9 | $1,518 | $899 | -$999 |
| 10 | $1,495 | $835 | -$164 |
| 11 | $1,473 | $776 | $612 |
| 12 | $1,450 | $720 | $1,332 |
Typical day hourly profile — 13.5 kWh quote — Current Origin Standing
Typical-day profile unavailable for this scenario.
Shaded: import p25–p75 band. Red solid: current import median. Red dashed: simulated import after the quoted battery. Gold solid: current export median. Gold dashed: simulated export after the quoted battery.