Cost to charge a 40 kWh electric car battery
$6.04
to charge a 40 kWh battery from 10% to 90% at home at $0.17/kWh · about 112 miles of range at 3.5 mi/kWh
Charging cost by electricity rate
| Rate | 10-90% charge | 0-100% charge |
|---|---|---|
| $0.10/kWh | $3.56 | $4.44 |
| $0.13/kWh | $4.62 | $5.78 |
| $0.17/kWh | $6.04 | $7.56 |
| $0.22/kWh | $7.82 | $9.78 |
| $0.30/kWh | $10.67 | $13.33 |
| $0.45/kWh | $16.00 | $20.00 |
| $0.55/kWh | $19.56 | $24.44 |
Includes ~10% charging loss. Home rates are typically $0.10-0.30; DC fast charging $0.40-0.60.
Charge time (10-90%)
| Charger | Time |
|---|---|
| Level 1 120 V (1.4 kW) | 25.4 h |
| Level 2 240 V (7.2 kW) | 4.9 h |
| Level 2 48 A (11.5 kW) | 3.1 h |
| DC fast (avg 100 kW) | 19 min |
FAQ
How much does it cost to charge a 40 kWh EV?
At $0.17/kWh a 10-90% home charge costs about $6.04; a full 0-100% charge about $7.56. At a $0.48/kWh fast charger, about $17.07.
What is the cost per mile?
At 3.5 mi/kWh and $0.17/kWh (with charging loss), about 5.4 cents per mile.