massoutage

2017 Utah Power Outage Report

In 2017, the average Utah customer went without power for about 1.0 hours, the 47th worst of 51 states (US average 7.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
1.0
vs prior year
-
no earlier year loaded
Customer-hours out
1.3M
Peak customers out
50,447
across the state at once
EAGLE-I coverage
n/a
of UT customers
Counties reporting
26

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, 2017

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

CSVJSON
Utah customer-hours without power by month, 2017Jan 0, Feb 5,248, Mar 35K, Apr 81K, May 13K, Jun 20K, Jul 9,050, Aug 229K, Sep 375K, Oct 177K, Nov 195K, Dec 127K0100k200k300k400k0Jan5,248Feb35KMar81KApr13KMay20KJun9,050Jul229KAug375KSep177KOct195KNov127KDec
Use the arrow keys to read values.

All 26 Utah counties, 2017

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Rich County14.915K98098056
2Beaver County11.216K1,4341,26470
3Morgan County5.014K2,9012,66979
4San Juan County4.222K5,13768638
5Summit County3.970K18,1062,607269
6Sanpete County3.518K4,9984,99881
7Grand County3.313K3,9981,62899
8Emery County2.69,9773,8532,588107
9Iron County2.156K26,6731,954175
10Tooele County2.057K28,88511,178458
11Carbon County1.97,3693,8493,18688
12Sevier County1.512K8,1086,70893
13Box Elder County1.431K23,0644,822158
14Millard County1.35,8034,3881,218103
15Weber County1.3132K103,52832,640333
16Cache County1.363K49,7443,062211
17Juab County0.91,4851,65486143
18Uintah County0.910K11,3742,196140
19Utah County0.8197K239,28917,945465
20Salt Lake County0.8374K494,04711,607203
21Davis County0.788K129,09519,340316
22Washington County0.542K78,88310,116137
23Wasatch County0.59,36919,62687055
24Garfield County0.28514,06558519
25Piute County0.1626431513
26Duchesne County0.0146,21425

Biggest Utah outages of 2017

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Weber County, UTOctober 14, 2017 18:30October 14, 2017 22:304h32,6408,163
2Weber County, UTSeptember 1, 2017 22:45September 2, 2017 07:158h 30m26,6638,405
3Davis County, UTSeptember 2, 2017 06:45September 2, 2017 07:1530m19,3405,739
4Utah County, UTSeptember 4, 2017 22:15September 5, 2017 23:301d 1h17,94559K
5Davis County, UTOctober 14, 2017 15:30October 15, 2017 02:3011h17,7354,462
6Salt Lake County, UTOctober 9, 2017 13:30October 10, 2017 06:1516h 45m11,6074,675
7Tooele County, UTAugust 27, 2017 22:30August 28, 2017 06:157h 45m11,17823K
8Salt Lake County, UTNovember 21, 2017 10:00November 22, 2017 09:3023h 30m10,32124K
9Washington County, UTAugust 31, 2017 17:15August 31, 2017 17:4530m10,1162,580
10Salt Lake County, UTApril 14, 2017 01:15April 14, 2017 01:4530m7,3123,656
11Salt Lake County, UTSeptember 15, 2017 08:00September 16, 2017 08:151d7,07720K
12Sevier County, UTMarch 29, 2017 15:45March 29, 2017 17:151h 30m6,7089,785
13Utah County, UTMarch 22, 2017 17:00March 24, 2017 16:301d 23h6,34111K
14Salt Lake County, UTNovember 9, 2017 08:30November 9, 2017 10:001h 30m5,9796,478
15Washington County, UTSeptember 5, 2017 04:00September 5, 2017 09:005h5,50423K
16Weber County, UTSeptember 5, 2017 13:30September 6, 2017 12:0022h 30m5,2086,781
17Salt Lake County, UTSeptember 16, 2017 09:30September 17, 2017 08:3023h5,1678,775
18Sanpete County, UTMarch 29, 2017 15:45March 29, 2017 17:151h 30m4,9987,497
19Salt Lake County, UTSeptember 28, 2017 13:15September 29, 2017 06:0016h 45m4,8457,000
20Box Elder County, UTSeptember 19, 2017 03:00September 20, 2017 04:001d 1h4,8226,163
21Box Elder County, UTAugust 8, 2017 19:30August 9, 2017 02:006h 30m4,81611K
22Weber County, UTOctober 3, 2017 00:45October 5, 2017 06:302d 5h4,14022K
23Davis County, UTOctober 16, 2017 14:30October 17, 2017 03:0012h 30m4,0791,096
24Utah County, UTApril 2, 2017 11:00April 7, 2017 22:155d 11h4,0731,781
25Utah County, UTAugust 3, 2017 14:15August 4, 2017 04:3014h 15m4,0297,834
EAGLE-I tracked about n/a of Utah's electricity customers in 2017; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Utah by year:2025202420232022202120202019201820162015
Other states in 2017:FLMEWVNHGARIVTNC

Part of the 2017 US Power Outage Report.

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