massoutage

County annual report · FIPS 08001

2020 Adams County, CO Power Outage Report

In 2020, customers in Adams County, CO went without power for an average of 2.0 hours, a total of 494K customer-hours (Colorado average 2.2 hours). That ranks 30th worst of 57 Colorado counties and 2242nd of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
2.0
243,036 customers
Customer-hours out
494K
Peak customers out
25,035
Outages ≥1,000 out
29
2 of 10,000+ · 614 total
Longest outage
77d 3h
began June 17, 2020
Rank in state
30th/57
2242nd of 3,019 US

Compared with CO, the US and 2019

Adams County, CO average hours without power per customer compared with state and national averages, 2020Adams County 2.0 hours, Colorado average 2.2 hours, US average 8.7 hours, Adams County, 2019 5.9 hoursAdams CountyAdams County2.0hColorado averageColorado average2.2hUS averageUS average8.7hAdams County, 2019Adams County, 20195.9h
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Average hours without power per customer in 2020; last bar is this county in 2019.

Month by month

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Adams County, CO customer-hours without power by month, 2020Jan 12K, Feb 39K, Mar 21K, Apr 11K, May 15K, Jun 197K, Jul 60K, Aug 46K, Sep 31K, Oct 28K, Nov 23K, Dec 13K050k100k150k200k12KJan39KFeb21KMar11KApr15KMay197KJun60KJul46KAug31KSep28KOct23KNov13KDec
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Customer-hours; June was the worst month.

Adams County year over year

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Adams County, CO: average hours without power per customer by year2015: 1.1h; 2016: 2.4h; 2017: 0.9h; 2018: 2.1h, coverage 88%; 2019: 5.9h, coverage 83%; 2020: 2.0h, coverage 84%; 2021: 1.6h, coverage 83%; 2022: 1.7h, coverage 84%; 2023: 1.9h; 2024: 2.6h; 2025: 2.3h02460%50%100%1.1h20152.4h20160.9h20172.1h20185.9h20192.0h20201.6h20211.7h20221.9h20232.6h20242.3h2025
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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 Adams County, 2020

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

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#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1October 20, 2020 15:45October 20, 2020 22:457h25,0356,692
2June 3, 2020 17:00June 10, 2020 07:156d 14h18,345135K
3February 23, 2020 15:30February 24, 2020 11:3020h8,58415K
4February 20, 2020 16:00February 21, 2020 14:0022h6,4676,345
5May 19, 2020 14:30May 22, 2020 00:002d 9h5,4498,476
6June 17, 2020 19:45September 2, 2020 23:1577d 3h4,164151K
7October 19, 2020 19:15October 20, 2020 08:3013h 15m3,9644,900
8December 23, 2020 02:45December 23, 2020 09:156h 30m3,7425,324
9March 10, 2020 14:15March 11, 2020 02:3012h 15m3,6472,367
10June 1, 2020 14:45June 3, 2020 08:151d 17h3,3336,927

Outage episodes by size in 2020: 94 reached 100+ customers, 29 reached 1,000+ customers, 2 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 Adams County reported on EIA Form 861 for 2020, 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 Colorado20202.3 hrs1.0383 min0.85
CORE Electric Cooperative20202.0 hrs0.7789 min0.68
United Power, Inc20202.6 hrs0.9171 min-
Morgan County Rural Elec Assn-----

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 2020; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 243,036 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. Adams County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Adams County, CO annual power outage report, 2020, 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/2020/colorado/adams-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON