massoutage

2015 Colorado Power Outage Report

In 2015, the average Colorado customer went without power for about 1.2 hours — the 40th 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
12,136
Rank (worst state)
40th
Counties affected
20

Colorado outages over the decade

Average hours without power per customer, 2015 highlighted.

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

Hardest-hit Colorado counties in 2015

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

1Jefferson County12,1362Summit County10,9023Weld County10,6754Adams County10,3085Denver County9,3776Arapahoe County8,3967El Paso County8,2728Pueblo County8,2669Boulder County7,71610Larimer County7,26711Eagle County6,34312Broomfield County4,77913Pitkin County3,70814Otero County3,32515Mesa County3,25416Douglas County2,60817Garfield County2,55318Fremont County2,46119Park County2,25920Teller County1,966

Biggest Colorado outages of 2015

CountyBeganPeak customers out
Jefferson CountyMay 23, 201512,136
Jefferson CountyMay 23, 201512,092
Summit CountySeptember 19, 201510,902
Weld CountyJune 26, 201510,675
Jefferson CountyAugust 29, 201510,578
Jefferson CountyMay 20, 201510,348
Adams CountyJuly 19, 201510,308
Adams CountyJuly 15, 201510,268
Denver CountyJune 4, 20159,377
Denver CountyJuly 13, 20158,534
Colorado by year:20252024202320222021202020192018
Other states in 2015:WVWANCMIRILA

Part of the 2015 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.