County annual report · FIPS 53015
2023 Cowlitz County, WA Power Outage Report
In 2023, customers in Cowlitz County, WA went without power for an average of 0.7 hours, a total of 36K customer-hours (Washington average 2.6 hours). That ranks 31st worst of 33 Washington counties and 2766th of 2,977 nationally.
Compared with WA, the US and 2022
Coverage line is EAGLE-I's share of Washington customers tracked each year.
Biggest outages in Cowlitz County, 2023
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | September 27, 2023 10:30 | September 28, 2023 04:00 | 17h 30m | 1,013 | 4,646 |
| 2 | December 5, 2023 11:15 | December 5, 2023 14:00 | 2h 45m | 906 | 1,670 |
| 3 | December 16, 2023 09:00 | December 16, 2023 19:30 | 10h 30m | 821 | 2,054 |
| 4 | November 11, 2023 12:30 | November 11, 2023 21:30 | 9h | 730 | 2,275 |
| 5 | November 6, 2023 17:45 | November 7, 2023 00:45 | 7h | 724 | 1,494 |
| 6 | October 30, 2023 16:00 | November 2, 2023 22:45 | 3d 6h | 629 | 1,734 |
| 7 | October 25, 2023 19:00 | October 25, 2023 21:45 | 2h 45m | 564 | 428 |
| 8 | December 2, 2023 12:15 | December 3, 2023 02:15 | 14h | 536 | 1,234 |
| 9 | October 16, 2023 00:30 | October 16, 2023 07:45 | 7h 15m | 508 | 851 |
| 10 | December 6, 2023 11:00 | December 6, 2023 19:30 | 8h 30m | 448 | 2,713 |
Outage episodes by size in 2023: 30 reached 100+ customers, 1 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 2023, 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 | 2023 | 8.2 hrs | 1.42 | 1.9 hrs | 0.99 |
| PUD No 1 of Lewis County | 2023 | 7.4 hrs | 3.04 | 7.1 hrs | 2.94 |
| PUD No 1 of Cowlitz County | 2023 | 1.8 hrs | 0.91 | 1.8 hrs | 0.91 |
| 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 n/a of Washington's customers in 2023; 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, 2023, 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/2023/washington/cowlitz-county