massoutage

County annual report · FIPS 37033

2021 Caswell County, NC Power Outage Report

In 2021, customers in Caswell County, NC went without power for an average of 186.1 hours, a total of 354K customer-hours (North Carolina average 10.3 hours). That ranks 4th worst of 94 North Carolina counties and 30th of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
186.1
1,905 customers
Customer-hours out
354K
Peak customers out
7,412
Outages ≥1,000 out
8
0 of 10,000+ · 390 total
Longest outage
3d 17h
began February 13, 2021
Rank in state
4th/94
30th of 2,974 US

Compared with NC, the US and 2020

Caswell County, NC average hours without power per customer compared with state and national averages, 2021Caswell County 186.1 hours, North Carolina average 10.3 hours, US average 8.9 hours, Caswell County, 2020 63.0 hoursCaswell CountyCaswell County186.1hNorth Carolina averageNorth Carolina avera…10.3hUS averageUS average8.9hCaswell County, 2020Caswell County, 202063.0h
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Average hours without power per customer in 2021; last bar is this county in 2020.

Month by month

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Caswell County, NC customer-hours without power by month, 2021Jan 2,489, Feb 333K, Mar 1,533, Apr 628, May 1,062, Jun 1,738, Jul 1,719, Aug 5,631, Sep 2,614, Oct 2,826, Nov 1,133, Dec 4450100k200k300k400k2,489Jan333KFeb1,533Mar628Apr1,062May1,738Jun1,719Jul5,631Aug2,614Sep2,826Oct1,133Nov445Dec
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Customer-hours; February was the worst month.

Caswell County year over year

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Caswell County, NC: average hours without power per customer by year2015: 56.5h; 2016: 51.3h; 2017: 22.8h; 2018: 384.9h, coverage 82%; 2019: 102.0h, coverage 90%; 2020: 63.0h, coverage 91%; 2021: 186.1h, coverage 92%; 2022: 80.3h, coverage 92%; 2023: 15.2h; 2024: 34.0h; 2025: 34.6h01002003004000%50%100%56.5h201551.3h201622.8h2017384.9h2018102.0h201963.0h2020186.1h202180.3h202215.2h202334.0h202434.6h2025
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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 Carolina customers tracked each year.

Biggest outages in Caswell County, 2021

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
1February 13, 2021 09:00February 17, 2021 02:153d 17h7,412328K
2October 5, 2021 13:15October 5, 2021 15:001h 45m1,754878
3June 22, 2021 15:15June 22, 2021 18:453h 30m1,497932
4August 15, 2021 12:15August 16, 2021 18:301d 6h1,4752,563
5October 16, 2021 18:45October 16, 2021 23:154h 30m1,1591,626
6September 7, 2021 19:30September 7, 2021 21:452h 15m1,152866
7March 17, 2021 21:45March 17, 2021 23:301h 45m1,151864
8November 24, 2021 22:00November 24, 2021 23:001h1,013761
9February 18, 2021 14:15February 19, 2021 04:3014h 15m8342,649
10July 17, 2021 21:45July 18, 2021 17:1519h 30m8301,055

Outage episodes by size in 2021: 25 reached 100+ customers, 8 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 Caswell County reported on EIA Form 861 for 2021, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Duke Energy Progress - (NC)20213.1 hrs1.392.4 hrs1.34
Duke Energy Carolinas, LLC20213.5 hrs1.202.5 hrs1.10
Piedmont Electric Member Corp202110.5 hrs1.662.0 hrs1.03
Duke Energy-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 92% of North Carolina's customers in 2021; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 1,905 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. Caswell County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Caswell County, NC annual power outage report, 2021, 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/2021/north-carolina/caswell-county

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