massoutage

County annual report · FIPS 37071

2021 Gaston County, NC Power Outage Report

In 2021, customers in Gaston County, NC went without power for an average of 3.7 hours, a total of 175K customer-hours (North Carolina average 10.3 hours). That ranks 60th worst of 94 North Carolina counties and 1616th of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
3.7
47,215 customers
Customer-hours out
175K
Peak customers out
3,845
Outages ≥1,000 out
21
0 of 10,000+ · 849 total
Longest outage
1d 8h
began February 28, 2021
Rank in state
60th/94
1616th of 2,974 US

Compared with NC, the US and 2020

Gaston County, NC average hours without power per customer compared with state and national averages, 2021Gaston County 3.7 hours, North Carolina average 10.3 hours, US average 8.9 hours, Gaston County, 2020 11.5 hoursGaston CountyGaston County3.7hNorth Carolina averageNorth Carolina avera…10.3hUS averageUS average8.9hGaston County, 2020Gaston County, 202011.5h
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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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Gaston County, NC customer-hours without power by month, 2021Jan 9,752, Feb 17K, Mar 25K, Apr 7,941, May 8,216, Jun 30K, Jul 19K, Aug 15K, Sep 9,911, Oct 7,205, Nov 4,246, Dec 23K010k20k30k9,752Jan17KFeb25KMar7,941Apr8,216May30KJun19KJul15KAug9,911Sep7,205Oct4,246Nov23KDec
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Customer-hours; June was the worst month.

Gaston County year over year

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Gaston County, NC: average hours without power per customer by year2015: 6.0h; 2016: 12.4h; 2017: 6.4h; 2018: 11.7h, coverage 82%; 2019: 5.3h, coverage 90%; 2020: 11.5h, coverage 91%; 2021: 3.7h, coverage 92%; 2022: 10.5h, coverage 92%; 2023: 6.3h; 2024: 77.7h; 2025: 6.1h0204060800%50%100%6.0h201512.4h20166.4h201711.7h20185.3h201911.5h20203.7h202110.5h20226.3h202377.7h20246.1h2025
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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 Carolina customers tracked each year.

Biggest outages in Gaston 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
1June 6, 2021 22:00June 7, 2021 10:4512h 45m3,8458,153
2June 4, 2021 02:45June 5, 2021 03:151d3,51111K
3February 7, 2021 05:15February 8, 2021 02:4521h 30m2,2858,063
4March 24, 2021 12:45March 25, 2021 00:1511h 30m2,2094,711
5December 19, 2021 09:45December 19, 2021 20:1510h 30m1,8465,185
6June 2, 2021 19:30June 3, 2021 09:4514h 15m1,826570
7September 14, 2021 19:00September 15, 2021 03:008h1,7751,432
8December 12, 2021 13:15December 12, 2021 22:159h1,7756,009
9December 13, 2021 11:45December 14, 2021 00:0012h 15m1,770485
10July 13, 2021 10:15July 13, 2021 23:4513h 30m1,7495,845

Outage episodes by size in 2021: 95 reached 100+ customers, 21 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 Gaston 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 Carolinas, LLC20213.5 hrs1.202.5 hrs1.10
EnergyUnited Elec Member Corp20212.1 hrs1.0484 min0.90
Rutherford Elec Member Corp20211.7 hrs0.8563 min0.61
York Electric Coop Inc202176 min0.7567 min0.66
Duke Energy-----
City of Kings Mountain - (NC)-----
City of Cherryville - (NC)-----
City of Gastonia - (NC)-----
Town of Dallas - (NC)-----

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 ÷ 47,215 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. Gaston County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Gaston 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/gaston-county

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