massoutage

County annual report · FIPS 38067

2020 Pembina County, ND Power Outage Report

In 2020, customers in Pembina County, ND went without power for an average of 5.8 hours, a total of 14K customer-hours (North Dakota average 1.3 hours). That ranks 5th worst of 51 North Dakota counties and 1262nd of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
5.8
2,474 customers
Customer-hours out
14K
Peak customers out
709
Outages ≥1,000 out
0
0 of 10,000+ · 12 total
Longest outage
2d 11h
began November 7, 2020
Rank in state
5th/51
1262nd of 3,019 US

Compared with ND, the US

Pembina County, ND average hours without power per customer compared with state and national averages, 2020Pembina County 5.8 hours, North Dakota average 1.3 hours, US average 8.7 hoursPembina CountyPembina County5.8hNorth Dakota averageNorth Dakota average1.3hUS averageUS average8.7h
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Average hours without power per customer in 2020.

Month by month

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Pembina County, ND customer-hours without power by month, 2020Jan 202, Feb 0, Mar 0, Apr 0, May 1, Jun 101, Jul 285, Aug 1,518, Sep 0, Oct 62, Nov 12K, Dec 005k10k15k202Jan0Feb0Mar0Apr1May101Jun285Jul1,518Aug0Sep62Oct12KNov0Dec
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Customer-hours; November was the worst month.

Pembina County year over year

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Pembina County, ND: average hours without power per customer by year2015: no data; 2016: no data; 2017: no data; 2018: no data; 2019: no data; 2020: 5.8h, coverage 66%; 2021: 0.2h, coverage 66%; 2022: 5.7h, coverage 66%; 2023: 4.8h; 2024: 2.1h; 2025: 4.1h02460%50%100%n/a2015n/a2016n/a2017n/a2018n/a20195.8h20200.2h20215.7h20224.8h20232.1h20244.1h2025
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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 North Dakota customers tracked each year.

Biggest outages in Pembina County, 2020

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1August 8, 2020 22:15August 8, 2020 23:0045m709532
2August 20, 2020 07:00August 20, 2020 08:451h 45m488854
3January 31, 2020 12:00January 31, 2020 12:1515m404101
4January 31, 2020 15:45January 31, 2020 16:0015m404101
5June 9, 2020 03:45June 9, 2020 04:0015m404101
6November 7, 2020 05:30November 9, 2020 16:302d 11h21312K
7July 21, 2020 19:15July 21, 2020 21:001h 45m163285
8October 13, 2020 17:00October 13, 2020 17:3030m12462
9August 20, 2020 09:45August 20, 2020 14:154h 30m31132
10November 3, 2020 13:15November 3, 2020 14:0045m3123

Outage episodes by size in 2020: 8 reached 100+ customers, 0 reached 1,000+ customers, 0 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 Pembina County reported on EIA Form 861 for 2020, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Otter Tail Power Co20201.6 hrs1.401.6 hrs1.40
Nodak Electric Coop Inc20204.0 hrs1.592.5 hrs1.22
City of Cavalier - (ND)-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 66% of North Dakota's customers in 2020; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 2,474 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. Pembina County has data for 2020–2025.

Cite this report

MassOutage (massoutage.com), Pembina County, ND 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/north-dakota/pembina-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON