City of Seattle - (WA): power outages per year
In 2025 the average City of Seattle - (WA) customer was without power for 2.6 hours, less than the Washington average of 6.4 h; down from 5.4 h in 2024. The utility served 527,764 customers in Washington and ranks #6 of 7 large Washington utilities by outage hours.
By year
| Year | Hours (with major events) | Hours (without) | Interruptions | Customers |
|---|---|---|---|---|
| 2025 | 2.6 | 2.2 | 1.0 | 527,764 |
| 2024 | 5.4 | 1.8 | 1.1 | 537,470 |
| 2023 | 1.6 | 1.6 | 0.6 | 519,758 |
| 2022 | 2.3 | 1.7 | 0.8 | 509,519 |
| 2021 | 4.1 | 1.8 | 0.9 | 498,690 |
| 2020 | 1.3 | 1.1 | 0.6 | 492,240 |
"With major events" includes storm days that utilities may exclude from their own reliability targets; it is what customers actually live through. The gap between the two columns shows how much of the year's outage time came from big storms.
Backup power for City of Seattle - (WA) outages
An average outage here lasted about 2.5 hours in 2025. Size backup for the longest outage you want to ride through, not the average.
Other large utilities in Washington
FAQ
How many hours a year are City of Seattle - (WA) customers without power?
2.6 hours per customer in 2025 including major event days (2.2 h without them), as City of Seattle - (WA) reported to the U.S. EIA.
How long does a typical City of Seattle - (WA) outage last?
About 2.5 hours on average in 2025 (total outage minutes divided by the number of interruptions). Storms make single events much longer.
Source: U.S. EIA Form 861, Reliability file, 2020–2025. Data snapshot . Utilities ranked nationwide →