massoutage

County annual report · FIPS 49051

2025 Wasatch County, UT Power Outage Report

In 2025, customers in Wasatch County, UT went without power for an average of 1.6 hours, a total of 31K customer-hours (Utah average 3.1 hours). That ranks 23rd worst of 26 Utah counties and 2577th of 3,000 nationally.

Summary data CSVJSON
Avg hrs / customer
1.6
19,626 customers
Customer-hours out
31K
Peak customers out
2,845
Outages ≥1,000 out
2
0 of 10,000+ · 200 total
Longest outage
21h 30m
began March 25, 2025
Rank in state
23rd/26
2577th of 3,000 US

Compared with UT, the US and 2024

Wasatch County, UT average hours without power per customer compared with state and national averages, 2025Wasatch County 1.6 hours, Utah average 3.1 hours, US average 5.9 hours, Wasatch County, 2024 1.1 hoursWasatch CountyWasatch County1.6hUtah averageUtah average3.1hUS averageUS average5.9hWasatch County, 2024Wasatch County, 20241.1h
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Average hours without power per customer in 2025; last bar is this county in 2024.

Month by month

CSVJSON
Wasatch County, UT customer-hours without power by month, 2025Jan 4,957, Feb 405, Mar 387, Apr 500, May 2,533, Jun 3,426, Jul 4,905, Aug 823, Sep 3,702, Oct 5,994, Nov 427, Dec 3,14302k4k6k4,957Jan405Feb387Mar500Apr2,533May3,426Jun4,905Jul823Aug3,702Sep5,994Oct427Nov3,143Dec
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Customer-hours; October was the worst month.

Wasatch County year over year

CSVJSON
Wasatch County, UT: average hours without power per customer by year2015: no data; 2016: no data; 2017: 0.5h; 2018: 0.5h, coverage 80%; 2019: 3.3h, coverage 80%; 2020: 1.9h, coverage 79%; 2021: 0.9h, coverage 79%; 2022: 2.0h, coverage 80%; 2023: 1.8h; 2024: 1.1h; 2025: 1.6h012340%50%100%n/a2015n/a20160.5h20170.5h20183.3h20191.9h20200.9h20212.0h20221.8h20231.1h20241.6h2025
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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 Utah customers tracked each year.

Biggest outages in Wasatch County, 2025

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1October 4, 2025 13:00October 4, 2025 15:452h 45m2,8453,558
2January 27, 2025 19:45January 28, 2025 06:1510h 30m2,8122,497
3July 17, 2025 16:00July 18, 2025 07:3015h 30m9371,780
4January 26, 2025 16:30January 26, 2025 19:303h8901,554
5August 21, 2025 00:00August 21, 2025 05:455h 45m434116
6December 1, 2025 22:30December 2, 2025 04:456h 15m4341,081
7June 20, 2025 23:15June 21, 2025 14:3015h 15m431987
8July 16, 2025 22:45July 17, 2025 01:152h 30m431325
9September 3, 2025 15:00September 3, 2025 21:306h 30m4312,802
10July 10, 2025 01:00July 10, 2025 03:002h430703

Outage episodes by size in 2025: 27 reached 100+ customers, 2 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 Wasatch County reported on EIA Form 861 for 2025, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
PacifiCorp20244.6 hrs1.672.0 hrs1.11
Heber Light & Power Company20182.4 hrs2.392.4 hrs2.39
Moon Lake Electric Assn Inc-----

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 Utah's customers in 2025; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 19,626 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. Wasatch County has data for 2017–2025.

Cite this report

MassOutage (massoutage.com), Wasatch County, UT annual power outage report, 2025, 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/2025/utah/wasatch-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON