massoutage

County annual report · FIPS 37123

2018 Montgomery County, NC Power Outage Report

In 2018, customers in Montgomery County, NC went without power for an average of 122.1 hours, a total of 615K customer-hours (North Carolina average 55.2 hours). That ranks 17th worst of 94 North Carolina counties and 40th of 2,798 nationally.

Summary data CSVJSON
Avg hrs / customer
122.1
5,038 customers
Customer-hours out
615K
Peak customers out
8,564
Outages ≥1,000 out
14
0 of 10,000+ · 619 total
Longest outage
5d 17h
began September 15, 2018
Rank in state
17th/94
40th of 2,798 US

Compared with NC, the US and 2017

Montgomery County, NC average hours without power per customer compared with state and national averages, 2018Montgomery County 122.1 hours, North Carolina average 55.2 hours, US average 5.6 hours, Montgomery County, 2017 14.7 hoursMontgomery CountyMontgomery County122.1hNorth Carolina averageNorth Carolina avera…55.2hUS averageUS average5.6hMontgomery County, 2017Montgomery County, 2…14.7h
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Average hours without power per customer in 2018; last bar is this county in 2017.

Month by month

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Montgomery County, NC customer-hours without power by month, 2018Jan 9,923, Feb 2,395, Mar 2,776, Apr 14K, May 3,017, Jun 25K, Jul 7,043, Aug 20K, Sep 317K, Oct 160K, Nov 4,538, Dec 49K0100k200k300k400k9,923Jan2,395Feb2,776Mar14KApr3,017May25KJun7,043Jul20KAug317KSep160KOct4,538Nov49KDec
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Customer-hours; September was the worst month.

Montgomery County year over year

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Montgomery County, NC: average hours without power per customer by year2015: 14.7h; 2016: 47.8h; 2017: 14.7h; 2018: 122.1h, coverage 82%; 2019: 14.8h, coverage 90%; 2020: 27.2h, coverage 91%; 2021: 8.4h, coverage 92%; 2022: 50.3h, coverage 92%; 2023: 12.2h; 2024: 23.3h; 2025: 12.1h0501001500%50%100%14.7h201547.8h201614.7h2017122.1h201814.8h201927.2h20208.4h202150.3h202212.2h202323.3h202412.1h2025
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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 Montgomery County, 2018

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1October 11, 2018 14:15October 15, 2018 00:003d 9h8,564159K
2September 15, 2018 04:00September 20, 2018 21:155d 17h6,620301K
3April 15, 2018 19:15April 16, 2018 08:3013h 15m4,38213K
4September 14, 2018 05:30September 14, 2018 21:4516h 15m3,71712K
5December 9, 2018 13:30December 11, 2018 16:452d 3h3,42135K
6December 21, 2018 14:45December 22, 2018 03:4513h2,20913K
7August 8, 2018 23:15August 9, 2018 06:457h 30m1,9777,014
8June 27, 2018 21:45June 28, 2018 10:0012h 15m1,52912K
9January 17, 2018 14:45January 18, 2018 22:151d 7h1,4448,661
10June 26, 2018 09:30June 26, 2018 15:456h 15m1,3641,811

Outage episodes by size in 2018: 70 reached 100+ customers, 14 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 Montgomery County reported on EIA Form 861 for 2018, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Duke Energy Progress - (NC)201843.0 hrs2.712.6 hrs1.33
EnergyUnited Elec Member Corp201810.9 hrs1.772.0 hrs1.07
Pee Dee Electric Member Corp201834.1 hrs5.313.1 hrs2.26
Randolph Electric Member Corp201815.9 hrs4.102.2 hrs1.50
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 82% of North Carolina's customers in 2018; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 5,038 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. Montgomery County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Montgomery County, NC annual power outage report, 2018, 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/2018/north-carolina/montgomery-county

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