massoutage

2023 Wyoming Power Outage Report

In 2023, the average Wyoming customer went without power for about 2.0 hours — the 46th worst of any US state that year, 1.1× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.0
Peak customers out
11,854
Rank (worst state)
46th
Counties affected
20

Wyoming outages over the decade

Average hours without power per customer, 2023 highlighted.

0.4h20150.6h20160.9h20171.2h20181.3h20193.4h20202.2h20212.4h20222.0h20232.4h20243.8h2025

Hardest-hit Wyoming counties in 2023

By peak customers out during the year's worst event.

1Natrona County11,8542Albany County9,7863Fremont County5,3704Laramie County4,0865Sweetwater County4,0606Sheridan County3,9077Park County2,7698Hot Springs County2,5399Campbell County2,52910Converse County1,95511Big Horn County1,58212Sublette County1,50313Uinta County1,35714Crook County1,27315Weston County1,14016Johnson County85117Carbon County76218Lincoln County63319Platte County38320Washakie County248

Biggest Wyoming outages of 2023

CountyBeganPeak customers out
Natrona CountyMarch 20, 202311,854
Albany CountyMay 16, 20239,786
Natrona CountyJune 16, 20237,538
Fremont CountyAugust 15, 20235,370
Fremont CountyOctober 13, 20235,065
Natrona CountyNovember 25, 20234,309
Natrona CountyNovember 21, 20234,308
Laramie CountyFebruary 3, 20234,086
Sweetwater CountyJune 27, 20234,060
Sweetwater CountyApril 29, 20234,024
Wyoming by year:20252024202220212020201920182017
Other states in 2023:MEMIKYOKARWV

Part of the 2023 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.