Electricity in King County, Washington
4 electric utilities serve homes in King County, Washington: Puget Sound Energy, Seattle City Light, Tacoma Power and PUD No. 1 of Chelan County. In 2025, the average home bill of these utilities was $66.33 (PUD No. 1 of Chelan County) to $146.74 (Puget Sound Energy) a month. This page covers 16 cities with 25,000 or more people in the county, from Bellevue to Mercer Island.
- 16 cities
- 4 utilities
- EIA and Census data, 2025
Electric utilities in King County
EIA lists utilities by county, not by address. Your address has one utility: its name is on your bill, or type your ZIP code in the utility finder.
| Utility | Homes in Washington | Average bill 2025 | 1,000 kWh now |
|---|---|---|---|
| Puget Sound EnergyInvestor-owned utility · bill calculator | 1,104,338 | $146.74863 kWh, 17.0¢ | $204.37 |
| Seattle City LightCity utility · bill calculator | 472,309 | $87.48594 kWh, 14.7¢ | $145.64 |
| Tacoma PowerCity utility · bill calculator | 177,554 | $105.14918 kWh, 11.4¢ | $122.95 |
| PUD No. 1 of Chelan CountyPublic power district | 42,571 | $66.331,754 kWh, 3.8¢ | — |
3 smaller utilities with fewer than 1,000 homes are also listed in the county. The average bill is the 2025 average of each utility's homes that bought their power from it (EIA-861). The Washington average was $124.41 a month.
Cities in King County
| City | People | City-owned utility | Solar kWh a year per kW |
|---|---|---|---|
| Bellevue | 154,193 | — | 1,041 |
| Kent | 134,871 | — | 1,071 |
| Renton | 104,975 | — | 1,044 |
| Federal Way | 99,729 | — | 1,127 |
| Kirkland | 97,410 | — | 1,074 |
| Auburn | 86,301 | — | 1,010 |
| Redmond | 82,506 | — | 1,001 |
| Shoreline | 66,542 | — | 1,072 |
| Sammamish | 66,110 | — | 997 |
| Bothell | 52,199 | — | 1,003 |
| Burien | 51,859 | — | 1,116 |
| Issaquah | 39,423 | — | 1,026 |
| SeaTac | 34,578 | — | 1,090 |
| Des Moines | 33,032 | — | 1,110 |
| Maple Valley | 28,482 | — | 988 |
| Mercer Island | 25,422 | — | 1,046 |
A city-owned utility is a municipal utility in the county with the city's name (EIA data). Solar output: PVWatts version 8 for a south-facing roof; see the solar savings calculator.
More about Washington: Washington electric rates, all Washington utilities, home energy rebates and natural gas bills.
Who provides electricity in King County?
4 electric utilities serve homes in King County, Washington: Puget Sound Energy, Seattle City Light, Tacoma Power and PUD No. The name of your utility is on your bill.
Which cities in King County are on this page?
Bellevue, Kent, Renton, Federal Way, Kirkland, Auburn, Redmond, Shoreline, Sammamish, Bothell, Burien, Issaquah, SeaTac, Des Moines, Maple Valley and Mercer Island.
Sources: EIA-861 data, 2025 (utilities by county, homes and average bills); Census Bureau city population estimates, Vintage 2025; PVWatts (National Laboratory of the Rockies).