How much does it cost to charge an EV in Washington?
Washington's average residential electricity rate is 14.2¢/kWh over the 12 months to August 2026, 21% below the U.S. average of 18.0¢/kWh, and the 1st cheapest of the 5 states covered. The 12-month average is up 11.9% year over year.
Charging the EVs we track here costs from $3.45 per 100 miles (Tesla Model 3) to $6.09 (Rivian R1S), or $35 to $62 a month at 1,016 miles.
Regular gasoline averaged $4.70 a gallon (EIA Washington series), 30% above the U.S. average.
EVs ranked by cost to charge in Washington
| # | EV | kWh/100 mi | Full charge | Per 100 mi | Per month | vs gas / yr |
|---|---|---|---|---|---|---|
| 1 | Tesla Model 32026 Standard RWD | 24.3 | $11.07 | $3.45 | $35 | −$1,369 |
| 2 | Tesla Model Y2026 Long Range AWD | 27.5 | $12.76 | $3.90 | $40 | −$1,433 |
| 3 | Nissan Leaf2026 75 kWh (18-in steel wheels) | 27.8 | $11.97 | $3.95 | $40 | −$1,366 |
| 4 | Hyundai Ioniq 52027 Standard Range | 29.0 | $10.09 | $4.12 | $42 | −$1,543 |
| 5 | Chevrolet Equinox EV2027 FWD | 31.1 | $14.07 | $4.41 | $45 | −$1,583 |
| 6 | Ford Mustang Mach-E2026 RWD | 31.4 | $11.60 | $4.46 | $45 | −$1,365 |
| 7 | Honda Prologue2026 FWD | 32.5 | $14.23 | $4.62 | $47 | −$2,164 |
| 8 | Cadillac Lyriq2027 RWD (11 kW charger) | 36.8 | $17.04 | $5.23 | $53 | −$2,022 |
| 9 | Kia EV92026 Standard Range RWD | 38.0 | $12.41 | $5.39 | $55 | −$1,945 |
| 10 | Rivian R1S2026 Dual Standard (20-in) | 42.9 | $15.70 | $6.09 | $62 | −$1,713 |
At 14.2¢/kWh, 1,016 mi/month. "vs gas" compares each EV with a comparable gas vehicle (see each page); − means the EV costs less.
Washington electricity price trend
Show monthly data
| Month | Washington | U.S. |
|---|---|---|
| Aug 2026 | 14.6¢/kWh | 18.2¢/kWh |
| Jul 2026 | 14.7¢/kWh | 18.3¢/kWh |
| Jun 2026 | 14.9¢/kWh | 18.4¢/kWh |
| May 2026 | 14.9¢/kWh | 18.4¢/kWh |
| Apr 2026 | 14.4¢/kWh | 18.9¢/kWh |
| Mar 2026 | 14.4¢/kWh | 18.6¢/kWh |
| Feb 2026 | 14.1¢/kWh | 17.6¢/kWh |
| Jan 2026 | 13.8¢/kWh | 17.4¢/kWh |
| Dec 2025 | 13.3¢/kWh | 17.1¢/kWh |
| Nov 2025 | 13.9¢/kWh | 17.8¢/kWh |
| Oct 2025 | 14.1¢/kWh | 17.9¢/kWh |
| Sep 2025 | 13.8¢/kWh | 18.1¢/kWh |
| Aug 2025 | 13.7¢/kWh | 17.6¢/kWh |
| Jul 2025 | 13.5¢/kWh | 17.4¢/kWh |
| Jun 2025 | 13.6¢/kWh | 17.4¢/kWh |
| May 2025 | 13.7¢/kWh | 17.3¢/kWh |
| Apr 2025 | 13.0¢/kWh | 17.2¢/kWh |
| Mar 2025 | 12.6¢/kWh | 17.0¢/kWh |
| Feb 2025 | 12.5¢/kWh | 16.4¢/kWh |
| Jan 2025 | 11.8¢/kWh | 15.9¢/kWh |
| Dec 2024 | 11.8¢/kWh | 16.3¢/kWh |
| Nov 2024 | 12.4¢/kWh | 16.9¢/kWh |
| Oct 2024 | 12.5¢/kWh | 17.1¢/kWh |
| Sep 2024 | 12.4¢/kWh | 16.8¢/kWh |