massoutage

County annual report · FIPS 08031

2022 Denver County, CO Power Outage Report

In 2022, customers in Denver County, CO went without power for an average of 2.9 hours, a total of 1.1M customer-hours (Colorado average 2.6 hours). That ranks 24th worst of 52 Colorado counties and 1999th of 2,976 nationally.

Summary data CSVJSON
Avg hrs / customer
2.9
398,898 customers
Customer-hours out
1.1M
Peak customers out
32,049
Outages ≥1,000 out
62
4 of 10,000+ · 859 total
Longest outage
13d 23h
began July 7, 2022
Rank in state
24th/52
1999th of 2,976 US

Compared with CO, the US and 2021

Denver County, CO average hours without power per customer compared with state and national averages, 2022Denver County 2.9 hours, Colorado average 2.6 hours, US average 8.3 hours, Denver County, 2021 2.4 hoursDenver CountyDenver County2.9hColorado averageColorado average2.6hUS averageUS average8.3hDenver County, 2021Denver County, 20212.4h
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Average hours without power per customer in 2022; last bar is this county in 2021.

Month by month

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Denver County, CO customer-hours without power by month, 2022Jan 22K, Feb 18K, Mar 51K, Apr 73K, May 498K, Jun 97K, Jul 63K, Aug 66K, Sep 80K, Oct 55K, Nov 34K, Dec 85K0200k400k600k22KJan18KFeb51KMar73KApr498KMay97KJun63KJul66KAug80KSep55KOct34KNov85KDec
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Customer-hours; May was the worst month.

Denver County year over year

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Denver County, CO: average hours without power per customer by year2015: 1.3h; 2016: 1.6h; 2017: 1.4h; 2018: 2.4h, coverage 88%; 2019: 5.7h, coverage 83%; 2020: 2.8h, coverage 84%; 2021: 2.4h, coverage 83%; 2022: 2.9h, coverage 84%; 2023: 2.2h; 2024: 4.1h; 2025: 2.0h02460%50%100%1.3h20151.6h20161.4h20172.4h20185.7h20192.8h20202.4h20212.9h20222.2h20234.1h20242.0h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of Colorado customers tracked each year.

Biggest outages in Denver County, 2022

The 10 outage episodes with the most customers out at once. Times are UTC.

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1May 17, 2022 07:45May 25, 2022 05:457d 22h32,049455K
2October 6, 2022 15:00October 8, 2022 03:451d 12h14,82227K
3November 5, 2022 14:15November 6, 2022 01:0010h 45m11,9479,891
4August 4, 2022 12:15August 17, 2022 08:4512d 20h11,48552K
5June 27, 2022 17:15June 28, 2022 02:159h9,53212K
6December 6, 2022 14:30December 7, 2022 08:0017h 30m8,85815K
7December 28, 2022 14:45December 31, 2022 04:152d 13h8,56848K
8September 4, 2022 12:45September 4, 2022 16:303h 45m7,6305,938
9April 29, 2022 14:30April 30, 2022 23:001d 8h7,59126K
10November 7, 2022 13:00November 8, 2022 05:1516h 15m7,0028,005

Outage episodes by size in 2022: 220 reached 100+ customers, 62 reached 1,000+ customers, 4 reached 10,000+ customers.

Utility reliability filed with the EIA

SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Denver County reported on EIA Form 861 for 2022, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Public Service Co of Colorado20222.9 hrs1.171.9 hrs1.04

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 84% of Colorado's customers in 2022; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 398,898 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
  • An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
  • Years loaded: 2015–2025. Denver County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Denver County, CO annual power outage report, 2022, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2022/colorado/denver-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON