Electricity rates in Washington: 14.12¢ per kWh
Homes in Washington paid an average of 14.12¢ per kilowatt-hour from August 2025 to July 2026, 22% below the U.S. average of 17.99¢. That is the 14th-lowest of 51, between Iowa (14.13¢) and Wyoming (14.01¢).
The average Washington home used 932 kWh a month — the 22nd-most of the 51 — so its typical bill came to $132 a month, the 14th-lowest. At the national rate the same 932 kWh would cost $36 more a month.
In July 2026, the latest month published, the Washington rate was 14.71¢.
| Rank | State | Average rate | Latest month | Average home use | Average bill |
|---|---|---|---|---|---|
| 36 | South Dakota | 14.20¢ | 15.37¢ | 986 kWh/mo | $140/mo |
| 37 | Iowa | 14.13¢ | 15.99¢ | 856 kWh/mo | $121/mo |
| 38 | Washington | 14.12¢ | 14.71¢ | 932 kWh/mo | $132/mo |
| 39 | Wyoming | 14.01¢ | 14.36¢ | 817 kWh/mo | $114/mo |
| 40 | Missouri | 13.95¢ | 16.09¢ | 1,041 kWh/mo | $145/mo |
What a month of electricity costs in Washington
At 14.12¢ per kWh, every extra 100 kWh a month adds $14.12 to the monthly bill and $169 to the year. The table runs from half to twice the Washington average home's 932 kWh, using the same calculation as the calculator above.
| Monthly use | Per month | Per year | vs. U.S. rate (17.99¢) |
|---|---|---|---|
| 450 kWh (half the average) | $64 | $762 | −$17 |
| 932 kWh (state average) | $132 | $1,579 | −$36 |
| 1,400 kWh (1.5× the average) | $198 | $2,372 | −$54 |
| 1,850 kWh (twice the average) | $261 | $3,135 | −$72 |
Washington electricity through the year
The average Washington home's bill peaked at about $175 in January 2026 and was lowest, about $103, in September 2025. Use ran from 745 kWh in September 2025 to 1,269 kWh in January 2026, 1.7 times as much.
The rate moved too, from 13.33¢ in December 2025 to 14.95¢ in May 2026. A monthly rate includes that month's fuel and seasonal charges, which is why the calculator uses the 12-month average for a yearly estimate.
| Month | Rate | Use per home | Bill per home |
|---|---|---|---|
| Aug 2025 | 13.64¢ | 846 kWh | $115 |
| Sep 2025 | 13.79¢ | 745 kWh | $103 |
| Oct 2025 | 14.06¢ | 783 kWh | $110 |
| Nov 2025 | 13.85¢ | 894 kWh | $124 |
| Dec 2025 | 13.33¢ | 1,180 kWh | $157 |
| Jan 2026 | 13.81¢ | 1,269 kWh | $175 |
| Feb 2026 | 14.11¢ | 1,088 kWh | $154 |
| Mar 2026 | 14.40¢ | 1,092 kWh | $157 |
| Apr 2026 | 14.36¢ | 910 kWh | $131 |
| May 2026 | 14.95¢ | 756 kWh | $113 |
| Jun 2026 | 14.91¢ | 762 kWh | $114 |
| Jul 2026 | 14.71¢ | 856 kWh | $126 |
Largest electricity providers in Washington
Among the 10 largest providers listed, average residential rates in 2024 ran from 6.01¢ at PUD No 2 of Grant County to 14.63¢ at Puget Sound Energy Inc. On the average Washington home's 932 kWh that is a difference of $80 a month.
These are 2024 figures, the latest final year. The Washington average was 11.90¢ that year and 14.12¢ over the last 12 months, up 19% — compare the providers with each other, not with today's average.
Together they serve 83% of Washington's 3,368,978 residential customers. The rates are each company's residential revenue divided by kilowatt-hours sold, so customer charges are included; a plan or tier can still differ.
| Provider | Type | Homes served | Average rate | Use per home |
|---|---|---|---|---|
| Puget Sound Energy Inc | Investor-owned | 1,091,599 | 14.63¢ | 875 kWh/mo |
| City of Seattle | Municipal | 459,964 | 14.09¢ | 601 kWh/mo |
| PUD No 1 of Snohomish County | Public power | 346,532 | 11.51¢ | 946 kWh/mo |
| Avista Corp | Investor-owned | 246,055 | 11.87¢ | 901 kWh/mo |
| PUD No 1 of Clark County | Public power | 219,477 | 10.41¢ | 1,008 kWh/mo |
| City of Tacoma | Municipal | 180,357 | 10.81¢ | 907 kWh/mo |
| PacifiCorp | Investor-owned | 114,453 | 11.08¢ | 1,181 kWh/mo |
| PUD No 1 of Benton County | Public power | 50,072 | 8.81¢ | 1,220 kWh/mo |
| PUD No 1 of Cowlitz County | Public power | 48,267 | 8.80¢ | 1,327 kWh/mo |
| PUD No 2 of Grant County | Public power | 42,485 | 6.01¢ | 1,659 kWh/mo |