massoutage

2020 Wyoming Power Outage Report

In 2020, the average Wyoming customer went without power for about 3.4 hours — the 37th worst of any US state that year, 1.8× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
3.4
Peak customers out
19,300
Rank (worst state)
37th
Counties affected
20

Wyoming outages over the decade

Average hours without power per customer, 2020 highlighted.

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

Hardest-hit Wyoming counties in 2020

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

1Laramie County19,3002Natrona County12,2883Albany County9,7464Sweetwater County6,7895Carbon County5,4036Fremont County5,2647Converse County2,9598Campbell County2,9239Crook County2,56010Big Horn County2,27911Johnson County2,05312Uinta County1,58513Weston County1,17614Lincoln County1,08015Sheridan County1,00816Park County98917Sublette County69018Hot Springs County68719Washakie County58820Platte County408

Biggest Wyoming outages of 2020

CountyBeganPeak customers out
Laramie CountyMarch 14, 202019,300
Natrona CountyJune 27, 202012,288
Albany CountyDecember 18, 20209,746
Albany CountyAugust 1, 20209,723
Albany CountyJune 9, 20209,664
Albany CountyOctober 25, 20209,444
Albany CountySeptember 13, 20207,612
Albany CountyNovember 14, 20207,591
Sweetwater CountySeptember 8, 20206,789
Albany CountyOctober 27, 20206,734
Wyoming by year:20252024202320222021201920182017
Other states in 2020:LAMEOKIAALNC

Part of the 2020 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.