massoutage

2023 Colorado Power Outage Report

In 2023, the average Colorado customer went without power for about 2.1 hours — the 44th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
2.1
Peak customers out
40,045
Rank (worst state)
44th
Counties affected
20

Colorado outages over the decade

Average hours without power per customer, 2023 highlighted.

1.2h20151.7h20161.5h20171.6h20183.3h20192.2h20202.8h20212.6h20222.1h20234.7h20244.6h2025

Hardest-hit Colorado counties in 2023

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

1Arapahoe County40,0452Denver County19,0203Weld County18,8544Jefferson County17,1025Logan County15,4666Boulder County11,7007Alamosa County11,3908El Paso County11,0869Mesa County9,45110La Plata County9,42611Douglas County9,34512Conejos County8,81613Teller County8,16514Chaffee County7,83615Adams County7,12216Pueblo County6,87917Montrose County6,47918Garfield County6,12019Elbert County5,93820Eagle County5,614

Biggest Colorado outages of 2023

CountyBeganPeak customers out
Arapahoe CountyMarch 2, 202340,045
Arapahoe CountyJune 16, 202327,946
Arapahoe CountyMay 10, 202321,019
Denver CountyApril 24, 202319,020
Weld CountyAugust 18, 202318,854
Weld CountyJuly 29, 202317,817
Jefferson CountyMarch 28, 202317,102
Logan CountyJune 22, 202315,466
Denver CountyJanuary 2, 202314,904
Jefferson CountyAugust 15, 202313,916
Colorado 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.