massoutage

County annual report · FIPS 51071

2021 Giles County, VA Power Outage Report

In 2021, customers in Giles County, VA went without power for an average of 23.3 hours, a total of 130K customer-hours (Virginia average 8.7 hours). That ranks 24th worst of 130 Virginia counties and 363rd of 2,974 nationally.

Summary data CSVJSON
Avg hrs / customer
23.3
5,569 customers
Customer-hours out
130K
Peak customers out
4,356
Outages ≥1,000 out
7
0 of 10,000+ · 432 total
Longest outage
6d 9h
began February 13, 2021
Rank in state
24th/130
363rd of 2,974 US

Compared with VA, the US and 2020

Giles County, VA average hours without power per customer compared with state and national averages, 2021Giles County 23.3 hours, Virginia average 8.7 hours, US average 8.9 hours, Giles County, 2020 26.4 hoursGiles CountyGiles County23.3hVirginia averageVirginia average8.7hUS averageUS average8.9hGiles County, 2020Giles County, 202026.4h
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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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Giles County, VA customer-hours without power by month, 2021Jan 11K, Feb 8,699, Mar 3,315, Apr 8,406, May 20K, Jun 19K, Jul 15K, Aug 8,406, Sep 6,516, Oct 4,472, Nov 5,005, Dec 20K010k20k30k11KJan8,699Feb3,315Mar8,406Apr20KMay19KJun15KJul8,406Aug6,516Sep4,472Oct5,005Nov20KDec
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Customer-hours; December was the worst month.

Giles County year over year

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Giles County, VA: average hours without power per customer by year2015: 12.7h; 2016: 18.7h; 2017: 27.3h; 2018: 113.0h, coverage 96%; 2019: 18.9h, coverage 97%; 2020: 26.4h, coverage 97%; 2021: 23.3h, coverage 97%; 2022: 32.2h, coverage 97%; 2023: 18.1h; 2024: 78.6h; 2025: 19.6h0501001500%50%100%12.7h201518.7h201627.3h2017113.0h201818.9h201926.4h202023.3h202132.2h202218.1h202378.6h202419.6h2025
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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 Virginia customers tracked each year.

Biggest outages in Giles 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 27, 2021 17:30June 28, 2021 19:001d 1h4,3566,157
2April 1, 2021 16:45April 2, 2021 03:4511h3,0224,550
3May 28, 2021 17:15May 30, 2021 01:001d 7h2,57512K
4December 22, 2021 10:15December 22, 2021 18:458h 30m2,01412K
5December 8, 2021 18:00December 8, 2021 19:451h 45m1,8433,225
6June 13, 2021 18:15June 15, 2021 18:001d 23h1,7928,177
7September 4, 2021 13:30September 4, 2021 15:452h 15m1,0211,026
8April 30, 2021 14:45May 1, 2021 22:001d 7h6893,738
9February 13, 2021 16:15February 20, 2021 02:006d 9h6567,361
10August 17, 2021 19:00August 20, 2021 21:303d 2h6442,445

Outage episodes by size in 2021: 45 reached 100+ customers, 7 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 Giles 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
Appalachian Power Co202122.1 hrs2.247.7 hrs1.84
Craig-Botetourt Electric Coop201825.9 hrs6.048.7 hrs3.51

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 97% of Virginia's customers in 2021; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 5,569 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. Giles County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Giles County, VA 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/virginia/giles-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON