How reliable is the power in Washington?
Washington ranks 35th of 45 states without major events and 36th with them (1st = fewest minutes), 28 above the U.S. 129 and 18 below the U.S. 662. Major events added 486 minutes, 76% of the with-events total. The figure covers 3,420,562 customers, 92% of the 3,730,360 EIA lists for Washington.
Washington with and without major events
minutes without power per customer, 2024, Washington and U.S.
- 157Washington, no major events
- 129U.S., no major events
- 644Washington, with major events
- 662U.S., with major events
| Measure | Washington without | Washington with | U.S. without | U.S. with |
|---|---|---|---|---|
| SAIDI, minutes per customer | 157 | 644 | 129 | 662 |
| SAIFI, interruptions per customer | 1.08 | 1.77 | 1.06 | 1.53 |
| CAIDI, minutes per interruption | 145 | 363 | 122 | 433 |
| Median utility, SAIDI minutes | 136 | 258 | — | — |
Which Washington utilities move the number
Puget Sound Energy Inc serves 36% of the customers in the Washington figure: 67% of lost customer-minutes with major events, 47% without. Without Puget Sound Energy Inc, the weighted figure would be 329 minutes with major events and 131 without, against 644 and 157.
- Puget Sound Energy Inc: 1,240,043 customers (36%), 203 min without and 1,196 with; 67% of lost minutes with major events, 47% without.
- PUD No 1 of Snohomish County: 386,741 customers (11%), 181 min without and 621 with; 11% of lost minutes with major events, 13% without.
- City of Seattle - (WA): 537,470 customers (16%), 111 min without and 324 with; 8% of lost minutes with major events, 11% without.
All Washington utilities in the 2024 file
61 utilities in the 2024 EIA-861 files for Washington: 21 follow IEEE 1366, 7 use another method, 33 filed no reliability figures. 28 are listed.
| PUD No 1 of Benton County | Political Subdivision | IEEE 1366 | 56,863 | 40 | 53 | 0.40 | 0.50 | 25 | 1 of 19 | — |
|---|---|---|---|---|---|---|---|---|---|---|
| City of Centralia - (WA) | Municipal | IEEE 1366 | 10,745 | 56 | 180 | 0.34 | 0.96 | 69 | 2 of 19 | — |
| PUD No 1 of Clark County - (WA) | Political Subdivision | IEEE 1366 | 233,669 | 59 | 145 | 1.13 | 1.47 | 59 | 3 of 19 | — |
| City of Tacoma - (WA) | Municipal | IEEE 1366 | 179,969 | 80 | 171 | 0.55 | 0.93 | 53 | 4 of 19 | — |
| City of Richland - (WA) | Municipal | IEEE 1366 | 27,563 | 94 | 94 | 0.73 | 0.73 | 0 | 5 of 19 | — |
| PUD No 1 of Chelan County | Political Subdivision | IEEE 1366 | 51,143 | 95 | 174 | 0.74 | 0.96 | 45 | 6 of 19 | — |
| PacifiCorp | Investor Owned | IEEE 1366 | 138,254 | 102 | 209 | 0.71 | 1.95 | 51 | 7 of 19 | — |
| City of Seattle - (WA) | Municipal | IEEE 1366 | 537,470 | 111 | 324 | 0.76 | 1.12 | 66 | 8 of 19 | — |
| Avista Corp | Investor Owned | IEEE 1366 | 270,134 | 112 | 152 | 0.82 | 0.96 | 26 | 9 of 19 | — |
| PUD No 1 of Cowlitz County | Political Subdivision | IEEE 1366 | 54,257 | 126 | 263 | 1.00 | 1.72 | 52 | 10 of 19 | — |
| Peninsula Light Company | Cooperative | IEEE 1366 | 35,518 | 136 | 652 | 1.42 | 4.02 | 79 | 11 of 19 | — |
| Benton Rural Electric Assn | Cooperative | IEEE 1366 | 16,453 | 156 | 1,887 | 1.09 | 1.41 | 92 | 12 of 19 | — |
| PUD No 1 of Snohomish County | Political Subdivision | IEEE 1366 | 386,741 | 181 | 621 | 1.56 | 2.48 | 71 | 13 of 19 | — |
| PUD No 1 of Grays Harbor County | Political Subdivision | IEEE 1366 | 45,710 | 202 | 471 | 1.00 | 1.40 | 57 | 14 of 19 | — |
| Puget Sound Energy Inc | Investor Owned | IEEE 1366 | 1,240,043 | 203 | 1,196 | 1.20 | 2.20 | 83 | 15 of 19 | — |
| Orcas Power & Light Coop | Cooperative | IEEE 1366 | 15,251 | 212 | 252 | 1.86 | 2.18 | 16 | 16 of 19 | — |
| Inland Power & Light Company | Cooperative | IEEE 1366 | 48,046 | 278 | 386 | 1.09 | 1.20 | 28 | 17 of 19 | — |
| PUD No 1 of Jefferson County | Political Subdivision | IEEE 1366 | 21,166 | 424 | 522 | 2.71 | 2.95 | 19 | 18 of 19 | — |
| PUD No 1 of Lewis County | Political Subdivision | IEEE 1366 | 35,583 | 605 | 722 | 3.30 | 3.71 | 16 | 19 of 19 | — |
| PUD No 2 of Grant County | Political Subdivision | Other method | 55,943 | — | 116 | — | 0.70 | — | Not ranked | other method, not comparable |
| PUD No 3 of Mason County | Political Subdivision | Other method | 36,547 | 269 | 519 | 1.39 | 2.30 | — | Not ranked | other method, not comparable |
| PUD No 1 of Franklin County | Political Subdivision | Other method | 35,015 | 55 | 55 | 0.40 | 0.40 | — | Not ranked | other method, not comparable |
| PUD No 1 of Clallam County | Political Subdivision | Other method | 33,769 | 213 | 484 | 1.36 | 2.25 | — | Not ranked | other method, not comparable |
| PUD No 1 of Okanogan County | Political Subdivision | Other method | 22,175 | 110 | 240 | 0.90 | 1.37 | — | Not ranked | other method, not comparable |
| PUD No 1 of Klickitat County | Political Subdivision | Other method | 14,254 | 384 | 384 | 1.93 | 1.93 | — | Not ranked | other method, not comparable |
| Big Bend Electric Coop, Inc | Cooperative | IEEE 1366 | 9,477 | 192 | 248 | 0.79 | 0.93 | 23 | Not ranked | under 10,000 customers |
| Columbia Rural Elec Assn, Inc | Cooperative | IEEE 1366 | 6,507 | 214 | 258 | 1.96 | 1.96 | 17 | Not ranked | under 10,000 customers |
| Northern Lights, Inc | Cooperative | Other method | 14 | 1 | 1 | — | — | — | Not ranked | other method, not comparable; under 10,000 customers |
Washington utilities with no reliability figures
33 in the sales file, no SAIDI or SAIFI row; the 25 largest are listed.
| Utility | Type | Customers |
|---|---|---|
| PUD No 2 of Pacific County | Political Subdivision | 18,577 |
| PUD No 1 of Douglas County | Political Subdivision | 17,553 |
| Elmhurst Mutual Power & Light Co | Cooperative | 16,195 |
| Vera Irrigation District #15 | Political Subdivision | 13,550 |
| City of Port Angeles - (WA) | Municipal | 11,028 |
| Modern Electric Water Company | Cooperative | 10,929 |
| Lakeview Light & Power | Cooperative | 10,438 |
| City of Ellensburg - (WA) | Municipal | 10,178 |
| PUD No 1 of Pend Oreille County | Political Subdivision | 10,101 |
| Tesla Inc. | Behind the Meter | 99 |
| Kootenai Electric Cooperative | Cooperative | 97 |
| Bonneville Power Administration | Federal | 10 |
| PUD No 1 of Whatcom County | Political Subdivision | 1 |
| City of Milton - (WA) | Municipal | — |
| Tanner Electric Coop | Cooperative | — |
| PUD No 1 of Kittitas County | Political Subdivision | — |
| City of Sumas - (WA) | Municipal | — |
| Nespelem Valley Elec Coop, Inc | Cooperative | — |
| PUD No 1 of Mason County | Political Subdivision | — |
| Town of Ruston - (WA) | Municipal | — |
| Clearwater Power Company | Cooperative | — |
| Ohop Mutual Light Company, Inc | Cooperative | — |
| City of Coulee Dam - (WA) | Municipal | — |
| City of Blaine - (WA) | Municipal | — |
| PUD No 1 of Ferry County | Political Subdivision | — |
The biggest Washington utilities against the U.S.
- Puget Sound Energy Inc (investor owned, 33% of Washington customers in the file): SAIDI without major events 203 min, 74 above the U.S. 129; with major events 1196 min against 662.
- City of Seattle - (WA) (municipal, 14% of Washington customers in the file): SAIDI without major events 111 min, 19 below the U.S. 129; with major events 324 min against 662.
- PUD No 1 of Snohomish County (political subdivision, 10% of Washington customers in the file): SAIDI without major events 181 min, 52 above the U.S. 129; with major events 621 min against 662.
- Avista Corp (investor owned, 7% of Washington customers in the file): SAIDI without major events 112 min, 17 below the U.S. 129; with major events 152 min against 662.
- PUD No 1 of Clark County - (WA) (political subdivision, 6% of Washington customers in the file): SAIDI without major events 59 min, 70 below the U.S. 129; with major events 145 min against 662.
Washington by type of utility
Among Washington utilities that report under IEEE 1366, municipal utilities average 102 minutes without major events and cooperative utilities 207.
| Type | Utilities | Customers | SAIDI without | Median utility | SAIDI with |
|---|---|---|---|---|---|
| Investor Owned | 3 | 1,648,431 | 180 | 112 | 942 |
| Political Subdivision | 8 | 885,132 | 155 | 153 | 405 |
| Municipal | 4 | 755,747 | 102 | 87 | 277 |
| Cooperative | 6 | 131,252 | 207 | 202 | 614 |
Next to Washington in the ranking
Washington report card
Smart meters: 81% of residential meters, 22 utilities (U.S. 92%). Washington time-based rates: 4 of 28 utilities, 0.3% of residential customers enrolled (U.S. 10.6%). Washington efficiency spend: $71.8 per customer (U.S. $124.2). Demand response: 24 W per customer (U.S. 77). Washington net-metered systems: 17.2 per 1,000 customers. Rankings.
Is your Washington utility better or worse than the Washington median?
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- Washington against all states
- Washington utilities among the best and worst
- Washington utility reliability and price by company
- Washington major outage reports from the Department of Energy
- Washington electricity prices
- Washington help with your bill
28 Washington filings in EIA-861 2024 (retrieved 2026-10-01), 19 ranked utilities. Method and sources.
Questions
How many minutes without power did the average Washington customer have in 2024?
157 minutes without major events and 644 with them (21 IEEE 1366 utilities, customer-weighted).
Why do the two Washington numbers differ so much?
Major events add 486 of the 644 minutes (76%); Puget Sound Energy Inc supplies 67% of the with-events total.
Which Washington utility reported the fewest and the most minutes?
Among 19 utilities with 10,000+ customers: PUD No 1 of Benton County 40 minutes without major events, and PUD No 1 of Lewis County 605.
Which Washington utilities use which method?
21 follow IEEE 1366, 7 use another method, 33 filed no reliability figures.