massoutage

2020 Utah Power Outage Report

In 2020, the average Utah customer went without power for about 8.7 hours — the 15th worst of any US state that year, 2.8× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
8.7
Peak customers out
91,704
Rank (worst state)
15th
Counties affected
20

Utah outages over the decade

Average hours without power per customer, 2020 highlighted.

1.0h20171.9h20182.5h20198.7h20202.6h20212.7h20222.5h20233.1h20243.1h2025

Hardest-hit Utah counties in 2020

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

1Salt Lake County91,7042Weber County40,5363Davis County39,4464Utah County11,6405Cache County9,1896Grand County6,9287Box Elder County5,0858Washington County4,9439Uintah County4,64710Tooele County4,49611Summit County3,69912Iron County3,49113Sanpete County2,34014Carbon County2,27115Wasatch County2,23816Sevier County2,02317Emery County1,45218Rich County1,33819Millard County1,21120Beaver County1,054

Biggest Utah outages of 2020

CountyBeganPeak customers out
Salt Lake CountySeptember 6, 202091,704
Salt Lake CountyMarch 18, 202058,592
Weber CountySeptember 8, 202040,536
Davis CountySeptember 8, 202039,446
Salt Lake CountyJune 27, 202022,775
Salt Lake CountyDecember 29, 202012,246
Salt Lake CountyJuly 8, 202011,712
Utah CountyApril 1, 202011,640
Salt Lake CountyJanuary 26, 202010,942
Cache CountySeptember 8, 20209,189
Utah 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.