Questions answered: EV charging at home
How much does it cost to charge an EV at home?
Updated . Every answer lists the sources we read it from. If we couldn't back an answer, we left the question out.
Home wiring is a job for a licensed electrician. New circuits, outlets, transfer switches and battery connections must meet the National Electrical Code and your local rules, and many need a permit and inspection.
The Department of Energy's method is the same: cost per mile is your electricity price times the kWh the car uses per mile. It adds that actual costs depend on when and how long you charge, and that some utilities offer cheaper time-of-use rates for charging.
| Car (EPA kWh per 100 mi) | US average (18.2 cents) | North Dakota (12.4 cents) | Hawaii (46.3 cents) |
|---|---|---|---|
| Tesla Model 3 Standard RWD (24.3) | $44 | $30 | $112 |
| Chevrolet Equinox EV FWD (31.1) | $57 | $38 | $144 |
| Chevrolet Silverado EV Ext Range WT (47.8) | $87 | $59 | $221 |
Run your own numbers: EV charging cost calculator
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EV charging cost calculatorYour car, your state, your miles.Estimates only. Your actual costs depend on your utility's rate plan, how and when you charge or use power, and local prices. This is general information, not financial, tax or legal advice. See our disclaimer.