massoutage

2017 Wyoming Power Outage Report

In 2017, the average Wyoming customer went without power for about 0.9 hours, the 48th worst of 51 states (US average 7.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
0.9
vs prior year
▲ 47%
vs 2016
Customer-hours out
278K
Peak customers out
13,837
across the state at once
EAGLE-I coverage
n/a
of WY customers
Counties reporting
20

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, 2017

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

CSVJSON
Wyoming customer-hours without power by month, 2017Jan 0, Feb 2,038, Mar 3,718, Apr 13K, May 5,065, Jun 3,359, Jul 2,130, Aug 74K, Sep 65K, Oct 29K, Nov 26K, Dec 55K020k40k60k80k0Jan2,038Feb3,718Mar13KApr5,065May3,359Jun2,130Jul74KAug65KSep29KOct26KNov55KDec
Use the arrow keys to read values.

All 20 Wyoming counties, 2017

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Hot Springs County7.718K2,3102,31062
2Converse County2.519K7,6242,246534
3Sweetwater County2.359K25,47513,823225
4Sublette County2.211K5,12392298
5Lincoln County2.025K12,8202,08680
6Uinta County1.721K12,3686,93480
7Sheridan County1.425K17,618808150
8Niobrara County1.46411
9Fremont County0.720K26,8236,819136
10Albany County0.716K23,3039,792142
11Park County0.68,71814,005917114
12Natrona County0.522K47,9921,802304
13Carbon County0.44,62110,7671,971100
14Laramie County0.317K52,98712,401166
15Johnson County0.31,7135,44847167
16Big Horn County0.31,2353,9301,47261
17Weston County0.26483,93318112
18Campbell County0.095528,0601204
19Platte County-255-38413
20Washakie County-4,814-2,69957

Biggest Wyoming outages of 2017

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Sweetwater County, WYSeptember 12, 2017 18:30September 12, 2017 20:452h 15m13,82318K
2Laramie County, WYMay 18, 2017 17:30May 18, 2017 17:4515m12,4013,100
3Sweetwater County, WYSeptember 15, 2017 02:45September 15, 2017 04:452h11,83621K
4Albany County, WYOctober 20, 2017 16:45October 20, 2017 17:1530m9,7922,453
5Uinta County, WYDecember 16, 2017 14:30December 16, 2017 19:455h 15m6,93418K
6Fremont County, WYAugust 13, 2017 13:15August 13, 2017 18:004h 45m6,81916K
7Laramie County, WYAugust 8, 2017 21:45August 8, 2017 22:0015m6,1471,537
8Sweetwater County, WYOctober 27, 2017 16:15October 27, 2017 18:452h 30m6,0411,512
9Sweetwater County, WYNovember 8, 2017 10:00November 8, 2017 17:457h 45m5,7871,461
10Albany County, WYAugust 10, 2017 14:45August 10, 2017 17:152h 30m5,3121,429
11Albany County, WYAugust 10, 2017 18:00August 11, 2017 03:009h4,9716,651
12Sweetwater County, WYAugust 15, 2017 08:45August 15, 2017 11:302h 45m3,0863,195
13Laramie County, WYApril 30, 2017 15:00April 30, 2017 17:452h 45m3,0543,872
14Washakie County, WYNovember 5, 2017 17:15November 5, 2017 18:301h 15m2,6992,026
15Hot Springs County, WYDecember 4, 2017 07:00December 4, 2017 10:153h 15m2,3106,408
16Hot Springs County, WYSeptember 23, 2017 08:15September 23, 2017 13:455h 30m2,3108,755
17Converse County, WYDecember 22, 2017 05:30December 22, 2017 16:4511h 15m2,24611K
18Lincoln County, WYAugust 20, 2017 16:15August 21, 2017 00:007h 45m2,08611K
19Lincoln County, WYAugust 19, 2017 17:30August 19, 2017 21:003h 30m2,0867,301
20Carbon County, WYAugust 30, 2017 14:30August 30, 2017 18:003h 30m1,9712,127
21Sweetwater County, WYOctober 5, 2017 17:15October 5, 2017 23:005h 45m1,9421,045
22Laramie County, WYNovember 20, 2017 18:00November 20, 2017 23:005h1,8601,486
23Natrona County, WYOctober 20, 2017 15:45October 20, 2017 20:304h 45m1,802460
24Big Horn County, WYOctober 23, 2017 03:00October 23, 2017 03:3030m1,472736
25Natrona County, WYAugust 31, 2017 00:45August 31, 2017 05:304h 45m1,1202,292
EAGLE-I tracked about n/a of Wyoming'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.
Wyoming 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.