massoutage

2019 Wyoming Power Outage Report

In 2019, the average Wyoming customer went without power for about 1.3 hours, the 46th worst of 51 states (US average 4.6 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
1.3
vs prior year
▲ 10%
vs 2018
Customer-hours out
438K
Peak customers out
11,522
across the state at once
EAGLE-I coverage
68%
of WY customers
Counties reporting
23

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, 2019

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

CSVJSON
Wyoming customer-hours without power by month, 2019Jan 19K, Feb 40K, Mar 47K, Apr 59K, May 19K, Jun 25K, Jul 45K, Aug 56K, Sep 53K, Oct 35K, Nov 23K, Dec 16K020k40k60k19KJan40KFeb47KMar59KApr19KMay25KJun45KJul56KAug53KSep35KOct23KNov16KDec
Use the arrow keys to read values.

All 23 Wyoming counties, 2019

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Converse County6.247K7,6244,7271,296
2Sublette County3.015K5,1231,416381
3Carbon County2.831K10,7679081,317
4Weston County1.97,3513,933683334
5Albany County1.841K23,3033,0191,288
6Johnson County1.79,1655,448683397
7Big Horn County1.45,5173,930676317
8Hot Springs County1.43,1682,310676204
9Laramie County1.369K52,9875,756613
10Lincoln County1.316K12,8201,026349
11Natrona County1.361K47,9924,9701,229
12Sweetwater County1.231K25,4754,205645
13Fremont County1.026K26,8231,368694
14Uinta County0.810K12,368379324
15Sheridan County0.815K17,6181,126213
16Park County0.68,62314,005676375
17Teton County0.611K18,5921,177345
18Campbell County0.49,84928,0601,139393
19Goshen County0.31,0803,8968337
20Crook County0.01234,5451810
21Niobrara County-8,080-683334
22Platte County-8,106-684333
23Washakie County-3,609-676247

Biggest Wyoming outages of 2019

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Laramie County, WYAugust 31, 2019 13:15September 1, 2019 01:1512h5,75613K
2Natrona County, WYApril 3, 2019 11:30April 3, 2019 22:1510h 45m4,9701,293
3Converse County, WYApril 3, 2019 11:30April 3, 2019 22:1510h 45m4,7271,233
4Laramie County, WYApril 3, 2019 21:00April 3, 2019 21:1515m4,5271,132
5Sweetwater County, WYAugust 18, 2019 07:00August 18, 2019 08:301h 30m4,2054,039
6Laramie County, WYApril 20, 2019 13:45April 21, 2019 05:0015h 15m3,02213K
7Albany County, WYApril 20, 2019 13:45April 21, 2019 05:1515h 30m3,01913K
8Converse County, WYJuly 30, 2019 07:15July 31, 2019 05:4522h 30m2,2605,745
9Natrona County, WYJuly 30, 2019 07:15July 31, 2019 05:4522h 30m2,2605,750
10Laramie County, WYAugust 15, 2019 17:15August 15, 2019 20:453h 30m2,0281,021
11Sweetwater County, WYJanuary 20, 2019 19:15January 20, 2019 20:451h 30m1,950745
12Laramie County, WYMarch 23, 2019 08:15March 23, 2019 10:152h1,8901,418
13Laramie County, WYMarch 13, 2019 14:15March 13, 2019 14:4530m1,626813
14Sublette County, WYApril 26, 2019 18:30April 26, 2019 20:151h 45m1,416866
15Sweetwater County, WYFebruary 9, 2019 15:30February 9, 2019 15:4515m1,382346
16Fremont County, WYApril 26, 2019 18:30April 26, 2019 19:451h 15m1,368344
17Teton County, WYApril 26, 2019 18:30April 26, 2019 19:451h 15m1,177295
18Campbell County, WYDecember 30, 2019 16:45December 30, 2019 21:304h 45m1,139693
19Sheridan County, WYOctober 17, 2019 08:15October 17, 2019 13:155h1,1261,621
20Converse County, WYJanuary 31, 2019 18:45February 1, 2019 01:006h 15m1,101572
21Natrona County, WYJanuary 31, 2019 18:45February 1, 2019 02:307h 45m1,101574
22Natrona County, WYFebruary 28, 2019 01:45February 28, 2019 06:304h 45m1,0332,055
23Converse County, WYFebruary 28, 2019 01:45February 28, 2019 06:304h 45m1,0332,055
24Sweetwater County, WYAugust 8, 2019 14:45August 9, 2019 04:4514h1,032961
25Lincoln County, WYNovember 11, 2019 19:45November 11, 2019 21:151h 30m1,026770
EAGLE-I tracked about 68% of Wyoming's electricity customers in 2019; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Wyoming by year:2025202420232022202120202018201720162015
Other states in 2019:WVMINCLACAVTVAAR

Part of the 2019 US Power Outage Report.

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