massoutage

County annual report · FIPS 53067

2017 Thurston County, WA Power Outage Report

In 2017, customers in Thurston County, WA went without power for an average of 9.3 hours, a total of 1.3M customer-hours (Washington average 3.3 hours). That ranks 4th worst of 31 Washington counties and 579th of 2,786 nationally.

Summary data CSVJSON
Avg hrs / customer
9.3
141,017 customers
Customer-hours out
1.3M
Peak customers out
38,367
Outages ≥1,000 out
36
3 of 10,000+ · 469 total
Longest outage
12d 22h
began September 7, 2017
Rank in state
4th/31
579th of 2,786 US

Compared with WA, the US and 2016

Thurston County, WA average hours without power per customer compared with state and national averages, 2017Thurston County 9.3 hours, Washington average 3.3 hours, US average 7.4 hours, Thurston County, 2016 4.0 hoursThurston CountyThurston County9.3hWashington averageWashington average3.3hUS averageUS average7.4hThurston County, 2016Thurston County, 20164.0h
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Average hours without power per customer in 2017; last bar is this county in 2016.

Month by month

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Thurston County, WA customer-hours without power by month, 2017Jan 45K, Feb 118K, Mar 21K, Apr 127K, May 663K, Jun 28K, Jul 40K, Aug 38K, Sep 27K, Oct 45K, Nov 124K, Dec 34K0200k400k600k800k45KJan118KFeb21KMar127KApr663KMay28KJun40KJul38KAug27KSep45KOct124KNov34KDec
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Customer-hours; May was the worst month.

Thurston County year over year

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Thurston County, WA: average hours without power per customer by year2015: 5.3h; 2016: 4.0h; 2017: 9.3h; 2018: 3.6h, coverage 71%; 2019: 3.0h, coverage 86%; 2020: 3.9h, coverage 87%; 2021: 10.7h, coverage 87%; 2022: 5.4h, coverage 87%; 2023: 2.7h; 2024: 7.5h; 2025: 14.9h0510150%50%100%5.3h20154.0h20169.3h20173.6h20183.0h20193.9h202010.7h20215.4h20222.7h20237.5h202414.9h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of Washington customers tracked each year.

Biggest outages in Thurston County, 2017

The 10 outage episodes with the most customers out at once. Times are UTC.

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1May 4, 2017 23:45May 8, 2017 06:453d 7h38,367626K
2November 11, 2017 03:30November 18, 2017 13:457d 10h19,63088K
3April 7, 2017 09:30April 9, 2017 12:152d 2h14,577112K
4November 20, 2017 14:30November 20, 2017 23:008h 30m9,80029K
5February 6, 2017 00:30February 12, 2017 01:156d8,061102K
6September 26, 2017 06:15September 26, 2017 07:151h4,5034,503
7February 21, 2017 07:30February 27, 2017 22:156d 14h3,9808,671
8May 24, 2017 05:15May 24, 2017 23:0017h 45m2,8838,925
9March 2, 2017 16:15March 8, 2017 12:305d 20h2,86211K
10March 31, 2017 14:45March 31, 2017 17:302h 45m2,8164,933

Outage episodes by size in 2017: 108 reached 100+ customers, 36 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 2017, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Puget Sound Energy Inc20178.0 hrs1.802.9 hrs1.12
PUD No 1 of Lewis County20172.8 hrs1.212.2 hrs1.06
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 2017; 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, 2017, 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/2017/washington/thurston-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON