massoutage

2018 Wyoming Power Outage Report

In 2018, the average Wyoming customer went without power for about 1.2 hours — the 48th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
1.2
Peak customers out
7,483
Rank (worst state)
48th
Counties affected
20

Wyoming outages over the decade

Average hours without power per customer, 2018 highlighted.

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

Hardest-hit Wyoming counties in 2018

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

Biggest Wyoming outages of 2018

CountyBeganPeak customers out
Albany CountyMarch 15, 20187,483
Albany CountyJuly 16, 20186,529
Sweetwater CountyJuly 11, 20186,095
Sweetwater CountyAugust 1, 20185,811
Sublette CountyNovember 7, 20185,787
Sublette CountySeptember 11, 20185,635
Converse CountySeptember 29, 20184,333
Converse CountyApril 23, 20184,315
Sweetwater CountyJune 8, 20184,123
Johnson CountyOctober 23, 20183,638
Other states in 2018:NCVAWVMARIVT

Part of the 2018 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.