massoutage

County annual report · FIPS 53073

2024 Whatcom County, WA Power Outage Report

In 2024, customers in Whatcom County, WA went without power for an average of 9.8 hours, a total of 558K customer-hours (Washington average 12.1 hours). That ranks 10th worst of 34 Washington counties and 942nd of 2,990 nationally.

Summary data CSVJSON
Avg hrs / customer
9.8
56,747 customers
Customer-hours out
558K
Peak customers out
7,953
Outages ≥1,000 out
41
0 of 10,000+ · 680 total
Longest outage
5d 23h
began August 23, 2024
Rank in state
10th/34
942nd of 2,990 US

Compared with WA, the US and 2023

Whatcom County, WA average hours without power per customer compared with state and national averages, 2024Whatcom County 9.8 hours, Washington average 12.1 hours, US average 12.6 hours, Whatcom County, 2023 5.7 hoursWhatcom CountyWhatcom County9.8hWashington averageWashington average12.1hUS averageUS average12.6hWhatcom County, 2023Whatcom County, 20235.7h
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Average hours without power per customer in 2024; last bar is this county in 2023.

Month by month

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Whatcom County, WA customer-hours without power by month, 2024Jan 90K, Feb 14K, Mar 15K, Apr 28K, May 15K, Jun 28K, Jul 41K, Aug 59K, Sep 15K, Oct 29K, Nov 155K, Dec 68K050k100k150k200k90KJan14KFeb15KMar28KApr15KMay28KJun41KJul59KAug15KSep29KOct155KNov68KDec
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Customer-hours; November was the worst month.

Whatcom County year over year

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Whatcom County, WA: average hours without power per customer by year2015: 35.0h; 2016: 12.6h; 2017: 17.5h; 2018: 6.4h, coverage 71%; 2019: 6.7h, coverage 86%; 2020: 12.0h, coverage 87%; 2021: 21.7h, coverage 87%; 2022: 10.5h, coverage 87%; 2023: 5.7h; 2024: 9.8h; 2025: 6.7h0102030400%50%100%35.0h201512.6h201617.5h20176.4h20186.7h201912.0h202021.7h202110.5h20225.7h20239.8h20246.7h2025
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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 Whatcom County, 2024

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

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#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1December 8, 2024 04:15December 9, 2024 01:3021h 15m7,95313K
2August 18, 2024 05:15August 19, 2024 07:301d 2h6,55941K
3January 8, 2024 19:15January 14, 2024 09:005d 13h6,12162K
4November 4, 2024 14:15November 6, 2024 06:451d 16h5,78769K
5December 14, 2024 10:15December 16, 2024 07:451d 21h4,51524K
6November 20, 2024 04:15November 22, 2024 02:451d 22h4,37058K
7October 27, 2024 20:15October 28, 2024 04:007h 45m4,0104,880
8November 17, 2024 19:00November 17, 2024 22:153h 15m3,6956,455
9November 18, 2024 17:00November 18, 2024 18:301h 30m3,5775,366
10July 1, 2024 11:45July 2, 2024 00:3012h 45m3,0466,003

Outage episodes by size in 2024: 128 reached 100+ customers, 41 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 Whatcom County reported on EIA Form 861 for 2024, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Puget Sound Energy Inc202419.9 hrs2.203.4 hrs1.20
Bonneville Power Administration-----
Puget Sound Energy Inc,pugetsoundenergy-----
City of Blaine - (WA)-----
City of Sumas - (WA)-----
PUD No 1 of Whatcom County-----

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 2024; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 56,747 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. Whatcom County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Whatcom County, WA annual power outage report, 2024, 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/2024/washington/whatcom-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON