EV tariff whole-home comparison
Is an EV tariff worth it with 2,000 kWh of EV charging per year?
The comparison also includes 3,200 kWh/year of non-EV household electricity so a higher daytime rate is not ignored.
Base: 26p comparison · 31p peak · 8p off-peak · 90% EV off-peakEV tariff saves £154/year
Standing charges held at 50p/day in both worked examples
Whole-home sensitivity
| Scenario | Comparison rate | EV peak/off | EV off-peak share | Comparison cost | EV tariff cost | Difference |
|---|---|---|---|---|---|---|
| Cautious | 26p | 33/10p | 70% | £1,534 | £1,576 | current saves £42 |
| Base | 26p | 31/8p | 90% | £1,534 | £1,380 | EV tariff saves £154 |
| Strong off-peak use | 28p | 29/7p | 100% | £1,638 | £1,250 | EV tariff saves £388 |
Rates are illustrative. Check current time windows, standing charges, eligibility and tariff conditions before relying on a comparison.