County annual report · FIPS 53067
2015 Thurston County, WA Power Outage Report
In 2015, customers in Thurston County, WA went without power for an average of 5.3 hours, a total of 743K customer-hours (Washington average 9.1 hours). That ranks 12th worst of 23 Washington counties and 530th of 2,484 nationally.
Compared with WA, the US
Coverage line is EAGLE-I's share of Washington customers tracked each year.
Biggest outages in Thurston County, 2015
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | August 28, 2015 20:30 | September 4, 2015 06:15 | 6d 9h | 25,109 | 286K |
| 2 | October 21, 2015 23:30 | October 22, 2015 02:30 | 3h | 18,965 | 43K |
| 3 | November 16, 2015 23:30 | November 18, 2015 15:00 | 1d 15h | 12,500 | 117K |
| 4 | December 7, 2015 03:45 | December 8, 2015 12:45 | 1d 9h | 7,383 | 46K |
| 5 | December 9, 2015 10:45 | December 12, 2015 07:15 | 2d 20h | 7,110 | 55K |
| 6 | October 10, 2015 16:00 | October 11, 2015 08:45 | 16h 45m | 3,999 | 18K |
| 7 | November 18, 2015 15:45 | November 21, 2015 05:45 | 2d 14h | 3,939 | 32K |
| 8 | October 30, 2015 03:30 | November 1, 2015 04:00 | 2d | 2,897 | 15K |
| 9 | September 23, 2015 12:30 | September 24, 2015 17:45 | 1d 5h | 2,681 | 7,659 |
| 10 | September 21, 2015 13:45 | September 23, 2015 10:45 | 1d 21h | 2,391 | 7,387 |
Outage episodes by size in 2015: 46 reached 100+ customers, 21 reached 1,000+ customers, 3 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 Thurston County reported on EIA Form 861 for 2015, 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 |
|---|---|---|---|---|---|
| Puget Sound Energy Inc | 2015 | 12.7 hrs | 2.18 | 2.7 hrs | 1.04 |
| PUD No 1 of Lewis County | 2015 | 7.6 hrs | 2.05 | 4.4 hrs | 1.30 |
| Bonneville Power Administration | - | - | - | - | - |
| Puget Sound Energy Inc,pugetsoundenergy | - | - | - | - | - |
| PUD No 1 of Grays Harbor County | - | - | - | - | - |
| Tanner Electric Coop | - | - | - | - | - |
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 2015; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 141,017 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. Thurston County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Thurston County, WA annual power outage report, 2015, 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/2015/washington/thurston-county