massoutage

County annual report · FIPS 37081

2020 Guilford County, NC Power Outage Report

In 2020, customers in Guilford County, NC went without power for an average of 31.5 hours, a total of 1.3M customer-hours (North Carolina average 20.3 hours). That ranks 27th worst of 94 North Carolina counties and 261st of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
31.5
41,756 customers
Customer-hours out
1.3M
Peak customers out
40,854
Outages ≥1,000 out
54
1 of 10,000+ · 655 total
Longest outage
4d 23h
began October 29, 2020
Rank in state
27th/94
261st of 3,019 US

Compared with NC, the US and 2019

Guilford County, NC average hours without power per customer compared with state and national averages, 2020Guilford County 31.5 hours, North Carolina average 20.3 hours, US average 8.7 hours, Guilford County, 2019 33.0 hoursGuilford CountyGuilford County31.5hNorth Carolina averageNorth Carolina avera…20.3hUS averageUS average8.7hGuilford County, 2019Guilford County, 201933.0h
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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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Guilford County, NC customer-hours without power by month, 2020Jan 51K, Feb 90K, Mar 12K, Apr 100K, May 71K, Jun 49K, Jul 61K, Aug 39K, Sep 48K, Oct 713K, Nov 63K, Dec 19K0200k400k600k800k51KJan90KFeb12KMar100KApr71KMay49KJun61KJul39KAug48KSep713KOct63KNov19KDec
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Customer-hours; October was the worst month.

Guilford County year over year

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Guilford County, NC: average hours without power per customer by year2015: 14.8h; 2016: 12.8h; 2017: 18.8h; 2018: 170.5h, coverage 82%; 2019: 33.0h, coverage 90%; 2020: 31.5h, coverage 91%; 2021: 57.1h, coverage 92%; 2022: 65.8h, coverage 92%; 2023: 28.5h; 2024: 22.7h; 2025: 15.3h0501001502000%50%100%14.8h201512.8h201618.8h2017170.5h201833.0h201931.5h202057.1h202165.8h202228.5h202322.7h202415.3h2025
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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 North Carolina customers tracked each year.

Biggest outages in Guilford 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 29, 2020 07:45November 3, 2020 07:154d 23h40,854697K
2February 6, 2020 06:45February 9, 2020 07:303d9,99872K
3January 11, 2020 15:00January 13, 2020 06:451d 15h7,16835K
4June 7, 2020 23:15June 8, 2020 08:309h 15m6,63213K
5April 13, 2020 07:15April 14, 2020 06:4523h 30m5,81135K
6July 23, 2020 11:45July 25, 2020 22:152d 10h5,79819K
7September 4, 2020 06:45September 5, 2020 05:4523h5,30516K
8April 29, 2020 10:15May 1, 2020 05:151d 19h4,04523K
9September 17, 2020 10:30September 19, 2020 07:001d 20h3,76714K
10February 28, 2020 00:45February 28, 2020 05:455h3,6721,851

Outage episodes by size in 2020: 156 reached 100+ customers, 54 reached 1,000+ customers, 1 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 Guilford 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
Duke Energy Progress - (NC)20205.2 hrs1.812.3 hrs1.37
Duke Energy Carolinas, LLC202011.2 hrs1.713.1 hrs1.18
EnergyUnited Elec Member Corp202010.0 hrs1.792.2 hrs1.14
Town of High Point20203.5 hrs2.192.4 hrs1.83
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 91% of North Carolina's customers in 2020; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 41,756 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. Guilford County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Guilford County, NC 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-carolina/guilford-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON