massoutage

2023 Wyoming Power Outage Report

In 2023, the average Wyoming customer went without power for about 2.0 hours, the 46th worst of 51 states (US average 6.7 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
2.0
vs prior year
▼ 18%
vs 2022
Customer-hours out
644K
Peak customers out
11,899
across the state at once
EAGLE-I coverage
n/a
of WY customers
Counties reporting
21

Wyoming year over year

Wyoming: average hours without power per customer by year2015: 0.4h; 2016: 0.6h; 2017: 0.9h; 2018: 1.2h, coverage 62%; 2019: 1.3h, coverage 68%; 2020: 3.4h, coverage 71%; 2021: 2.2h, coverage 71%; 2022: 2.4h, coverage 71%; 2023: 2.0h; 2024: 2.4h; 2025: 3.7h012340%50%100%0.4h20150.6h20160.9h20171.2h20181.3h20193.4h20202.2h20212.4h20222.0h20232.4h20243.7h2025
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, 2023

Customer-hours without power across Wyoming; June was the worst.

CSVJSON
Wyoming customer-hours without power by month, 2023Jan 15K, Feb 41K, Mar 80K, Apr 26K, May 66K, Jun 92K, Jul 69K, Aug 60K, Sep 82K, Oct 41K, Nov 38K, Dec 34K025k50k75k100k15KJan41KFeb80KMar26KApr66KMay92KJun69KJul60KAug82KSep41KOct38KNov34KDec
Use the arrow keys to read values.

All 21 Wyoming counties, 2023

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Crook County17.881K4,5451,273328
2Converse County5.038K7,6241,9551,227
3Johnson County4.424K5,448851299
4Washakie County4.31,15026524883
5Weston County3.313K3,9331,140232
6Big Horn County3.012K3,9301,58298
7Campbell County2.981K28,0602,529457
8Hot Springs County2.76,2272,3102,31079
9Sublette County2.714K5,1231,503211
10Albany County2.353K23,3039,786257
11Natrona County2.095K47,99211,854626
12Sheridan County1.934K17,6183,907205
13Park County1.623K14,0052,769224
14Sweetwater County1.640K25,4754,060508
15Carbon County1.415K10,767762278
16Fremont County1.334K26,8235,370316
17Lincoln County1.114K12,820633209
18Uinta County1.012K12,3681,357170
19Laramie County0.947K52,9874,086548
20Teton County0.48,12418,59220472
21Platte County-618-38325

Biggest Wyoming outages of 2023

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Natrona County, WYMarch 20, 2023 02:00March 20, 2023 12:3010h 30m11,85440K
2Albany County, WYMay 16, 2023 09:15May 16, 2023 15:005h 45m9,78638K
3Natrona County, WYJune 16, 2023 09:00June 16, 2023 11:002h7,53815K
4Fremont County, WYAugust 15, 2023 14:45August 15, 2023 20:155h 30m5,37012K
5Fremont County, WYOctober 13, 2023 07:15October 13, 2023 09:302h 15m5,0659,005
6Natrona County, WYNovember 25, 2023 18:00November 25, 2023 21:003h4,3091,582
7Natrona County, WYNovember 21, 2023 09:45November 21, 2023 12:152h 30m4,3084,316
8Laramie County, WYFebruary 3, 2023 21:15February 3, 2023 22:151h4,0864,073
9Sweetwater County, WYJune 27, 2023 13:45June 27, 2023 22:008h 15m4,0602,305
10Sweetwater County, WYApril 29, 2023 22:00April 30, 2023 02:154h 15m4,0243,290
11Laramie County, WYDecember 26, 2023 02:30December 26, 2023 11:309h3,9516,356
12Sheridan County, WYFebruary 16, 2023 03:15February 16, 2023 10:006h 45m3,9079,753
13Sheridan County, WYSeptember 26, 2023 20:30September 27, 2023 01:154h 45m3,1761,829
14Laramie County, WYJuly 7, 2023 15:15July 7, 2023 20:455h 30m3,136835
15Park County, WYJune 20, 2023 11:15June 20, 2023 11:3015m2,769692
16Natrona County, WYJuly 17, 2023 13:30July 17, 2023 20:006h 30m2,646668
17Campbell County, WYSeptember 11, 2023 22:45September 12, 2023 18:3019h 45m2,529654
18Hot Springs County, WYMay 18, 2023 18:45May 18, 2023 21:453h2,3104,049
19Fremont County, WYAugust 15, 2023 10:30August 15, 2023 11:1545m2,2381,679
20Albany County, WYOctober 22, 2023 00:30October 22, 2023 02:302h2,2313,345
21Natrona County, WYJuly 12, 2023 10:45July 12, 2023 22:1511h 30m2,2015,452
22Converse County, WYDecember 31, 2023 08:15December 31, 2023 12:304h 15m1,9558,305
23Laramie County, WYJanuary 1, 2023 12:15January 1, 2023 21:008h 45m1,8811,419
24Natrona County, WYDecember 21, 2023 00:15December 21, 2023 10:4510h 30m1,8191,839
25Natrona County, WYApril 29, 2023 20:45April 30, 2023 00:303h 45m1,8001,363
EAGLE-I tracked about n/a of Wyoming's electricity customers in 2023; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.

Part of the 2023 US Power Outage Report.

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