massoutage

2020 Utah Power Outage Report

In 2020, the average Utah customer went without power for about 8.6 hours, the 15th worst of 51 states (US average 8.0 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
8.6
vs prior year
▲ 252%
vs 2019
Customer-hours out
11.1M
Peak customers out
180,036
across the state at once
EAGLE-I coverage
79%
of UT customers
Counties reporting
29

Utah year over year

Utah: average hours without power per customer by year2015: no data; 2016: no data; 2017: 1.0h; 2018: 1.9h, coverage 80%; 2019: 2.5h, coverage 80%; 2020: 8.6h, coverage 79%; 2021: 2.6h, coverage 79%; 2022: 2.7h, coverage 80%; 2023: 2.5h; 2024: 3.0h; 2025: 3.1h02.557.5100%50%100%n/a2015n/a20161.0h20171.9h20182.5h20198.6h20202.6h20212.7h20222.5h20233.0h20243.1h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2020

Customer-hours without power across Utah; September was the worst.

CSVJSON
Utah customer-hours without power by month, 2020Jan 117K, Feb 150K, Mar 386K, Apr 180K, May 230K, Jun 432K, Jul 244K, Aug 338K, Sep 8.4M, Oct 240K, Nov 238K, Dec 144K02.5M5M7.5M10M117KJan150KFeb386KMar180KApr230KMay432KJun244KJul338KAug8.4MSep240KOct238KNov144KDec
Use the arrow keys to read values.

All 29 Utah counties, 2020

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Morgan County23.869K2,901897393
2Weber County23.12.4M103,52840,536798
3Rich County16.917K980980297
4Salt Lake County12.16.0M494,04791,704331
5Grand County11.345K3,9983,998283
6Box Elder County9.7223K23,0645,085623
7Summit County9.6173K18,1063,699628
8Davis County9.31.2M129,09539,446821
9Beaver County8.212K1,4341,054269
10Juab County5.99,8281,654747238
11Sanpete County5.729K4,9982,340286
12Uintah County4.855K11,3744,647324
13Carbon County4.818K3,8492,271233
14Piute County4.62,944643399106
15Cache County3.9192K49,7449,189647
16Millard County3.716K4,3881,211333
17Tooele County3.292K28,8854,496958
18Sevier County3.125K8,1082,023268
19Emery County2.811K3,8531,452273
20Iron County2.464K26,6733,491520
21Wasatch County1.938K19,6262,238427
22San Juan County1.89,1605,137895180
23Daggett County1.63,2002,063406257
24Wayne County1.53,2132,123180130
25Utah County1.4331K239,28911,640486
26Washington County1.292K78,8834,943417
27Duchesne County0.74,6546,214404142
28Garfield County0.62,4464,065162111
29Kane County0.53,6726,751758117

Biggest Utah outages of 2020

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Salt Lake County, UTSeptember 6, 2020 09:45September 27, 2020 10:4521d 1h91,7044.8M
2Salt Lake County, UTMarch 18, 2020 11:30March 20, 2020 06:451d 19h58,592218K
3Weber County, UTSeptember 8, 2020 01:30September 23, 2020 07:4515d 6h40,5362.1M
4Davis County, UTSeptember 8, 2020 02:45September 21, 2020 01:1512d 22h39,4461.0M
5Salt Lake County, UTJune 27, 2020 12:30June 30, 2020 11:002d 22h22,77570K
6Salt Lake County, UTDecember 29, 2020 05:15December 29, 2020 11:456h 30m12,2463,432
7Salt Lake County, UTJuly 8, 2020 14:00July 9, 2020 08:1518h 15m11,71211K
8Utah County, UTApril 1, 2020 16:00April 2, 2020 23:151d 7h11,64045K
9Salt Lake County, UTJanuary 26, 2020 10:15January 27, 2020 03:1517h10,94219K
10Cache County, UTSeptember 8, 2020 01:30September 11, 2020 08:453d 7h9,189136K
11Davis County, UTMarch 18, 2020 13:15March 19, 2020 03:0013h 45m8,82818K
12Salt Lake County, UTDecember 30, 2020 13:45December 31, 2020 00:0010h 15m8,7712,433
13Salt Lake County, UTFebruary 5, 2020 13:30February 9, 2020 13:304d8,61516K
14Cache County, UTNovember 6, 2020 20:15November 6, 2020 22:302h 15m6,81514K
15Salt Lake County, UTJanuary 29, 2020 13:00January 31, 2020 12:001d 23h6,7934,732
16Salt Lake County, UTJuly 2, 2020 14:15July 3, 2020 06:4516h 30m6,6172,420
17Weber County, UTDecember 6, 2020 11:45December 7, 2020 04:4517h6,61415K
18Salt Lake County, UTJune 4, 2020 13:15June 9, 2020 11:304d 22h6,60652K
19Salt Lake County, UTMay 20, 2020 13:00May 24, 2020 23:304d 10h6,51436K
20Salt Lake County, UTOctober 11, 2020 09:30October 13, 2020 06:451d 21h6,30441K
21Salt Lake County, UTNovember 3, 2020 12:30November 5, 2020 10:451d 22h6,29113K
22Salt Lake County, UTAugust 10, 2020 13:45August 11, 2020 05:4516h6,02615K
23Salt Lake County, UTNovember 25, 2020 13:00November 26, 2020 03:1514h 15m5,6729,880
24Salt Lake County, UTMarch 22, 2020 13:30March 28, 2020 07:305d 18h5,5898,268
25Utah County, UTDecember 9, 2020 15:15December 10, 2020 10:1519h5,3071,740
EAGLE-I tracked about 79% of Utah's electricity customers in 2020; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Utah by year:2025202420232022202120192018201720162015
Other states in 2020:LAMEOKIAALMSNJNC

Part of the 2020 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.