County annual report · FIPS 53063
2020 Spokane County, WA Power Outage Report
In 2020, customers in Spokane County, WA went without power for an average of 3.8 hours, a total of 834K customer-hours (Washington average 4.2 hours). That ranks 21st worst of 37 Washington counties and 1648th of 3,019 nationally.
Compared with WA, the US and 2019
Coverage line is EAGLE-I's share of Washington customers tracked each year.
Biggest outages in Spokane County, 2020
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | October 23, 2020 12:15 | October 26, 2020 12:15 | 3d | 17,096 | 188K |
| 2 | September 7, 2020 15:00 | September 15, 2020 22:15 | 8d 7h | 15,095 | 321K |
| 3 | January 9, 2020 16:15 | January 9, 2020 23:45 | 7h 30m | 7,217 | 3,079 |
| 4 | October 13, 2020 14:45 | October 14, 2020 23:45 | 1d 9h | 4,630 | 22K |
| 5 | July 31, 2020 20:00 | August 4, 2020 08:00 | 3d 12h | 4,544 | 7,617 |
| 6 | February 4, 2020 11:00 | February 5, 2020 12:00 | 1d 1h | 3,383 | 4,686 |
| 7 | January 31, 2020 09:15 | February 2, 2020 14:30 | 2d 5h | 3,173 | 20K |
| 8 | March 5, 2020 16:30 | March 6, 2020 00:15 | 7h 45m | 3,046 | 1,038 |
| 9 | September 20, 2020 12:30 | September 22, 2020 03:00 | 1d 14h | 3,009 | 16K |
| 10 | June 17, 2020 14:00 | June 18, 2020 08:30 | 18h 30m | 2,960 | 7,295 |
Outage episodes by size in 2020: 124 reached 100+ customers, 29 reached 1,000+ customers, 2 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Spokane County reported on EIA Form 861 for 2020, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Avista Corp | 2020 | 5.1 hrs | 1.56 | 2.2 hrs | 0.91 |
| Inland Power & Light Company | 2020 | 13.3 hrs | 1.97 | 3.9 hrs | 1.31 |
| Kootenai Electric Cooperative | 2020 | 14.9 hrs | 2.92 | 3.1 hrs | 1.78 |
| City of Cheney - (WA) | 2018 | 3.3 hrs | 0.43 | 44 min | 0.28 |
| Bonneville Power Administration | - | - | - | - | - |
| Avista Corp,avista | - | - | - | - | - |
| Modern Electric Water Company | - | - | - | - | - |
| Vera Irrigation District #15 | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 87% of Washington's customers in 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 217,351 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Spokane County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Spokane County, WA annual power outage report, 2020, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2020/washington/spokane-county