County annual report · FIPS 53015
2021 Cowlitz County, WA Power Outage Report
In 2021, customers in Cowlitz County, WA went without power for an average of 0.1 hours, a total of 6,808 customer-hours (Washington average 8.7 hours). That ranks 31st worst of 33 Washington counties and 2909th of 2,974 nationally.
Compared with WA, the US and 2020
Coverage line is EAGLE-I's share of Washington customers tracked each year.
Biggest outages in Cowlitz County, 2021
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | January 13, 2021 09:45 | January 13, 2021 14:00 | 4h 15m | 566 | 1,400 |
| 2 | February 15, 2021 09:15 | February 16, 2021 17:45 | 1d 8h | 393 | 3,574 |
| 3 | March 7, 2021 06:15 | March 7, 2021 07:45 | 1h 30m | 383 | 575 |
| 4 | May 30, 2021 04:45 | May 30, 2021 05:00 | 15m | 378 | 95 |
| 5 | November 15, 2021 20:30 | November 16, 2021 00:00 | 3h 30m | 252 | 736 |
| 6 | December 28, 2021 09:00 | December 28, 2021 11:00 | 2h | 40 | 80 |
| 7 | October 24, 2021 21:15 | October 25, 2021 10:15 | 13h | 25 | 170 |
| 8 | September 12, 2021 08:00 | September 12, 2021 14:00 | 6h | 19 | 51 |
| 9 | August 10, 2021 22:30 | August 10, 2021 23:30 | 1h | 12 | 12 |
| 10 | February 13, 2021 13:15 | February 13, 2021 16:15 | 3h | 11 | 33 |
Outage episodes by size in 2021: 5 reached 100+ customers, 0 reached 1,000+ customers, 0 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 Cowlitz County reported on EIA Form 861 for 2021, 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 |
|---|---|---|---|---|---|
| PacifiCorp | 2021 | 4.3 hrs | 1.86 | 2.0 hrs | 1.19 |
| PUD No 1 of Lewis County | 2021 | 14.9 hrs | 4.20 | 5.8 hrs | 2.37 |
| PUD No 1 of Cowlitz County | 2021 | 5.6 hrs | 1.59 | 1.6 hrs | 0.86 |
| Bonneville Power Administration | - | - | - | - | - |
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 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 50,751 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. Cowlitz County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Cowlitz County, WA annual power outage report, 2021, 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/2021/washington/cowlitz-county