massoutage

County annual report · FIPS 51069

2017 Frederick County, VA Power Outage Report

In 2017, customers in Frederick County, VA went without power for an average of 3.9 hours, a total of 176K customer-hours (Virginia average 3.7 hours). That ranks 77th worst of 125 Virginia counties and 1136th of 2,786 nationally.

Summary data CSVJSON
Avg hrs / customer
3.9
45,160 customers
Customer-hours out
176K
Peak customers out
4,936
Outages ≥1,000 out
19
0 of 10,000+ · 552 total
Longest outage
1d 19h
began October 29, 2017
Rank in state
77th/125
1136th of 2,786 US

Compared with VA, the US and 2016

Frederick County, VA average hours without power per customer compared with state and national averages, 2017Frederick County 3.9 hours, Virginia average 3.7 hours, US average 7.4 hours, Frederick County, 2016 2.7 hoursFrederick CountyFrederick County3.9hVirginia averageVirginia average3.7hUS averageUS average7.4hFrederick County, 2016Frederick County, 20…2.7h
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Average hours without power per customer in 2017; last bar is this county in 2016.

Month by month

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Frederick County, VA customer-hours without power by month, 2017Jan 3,252, Feb 21K, Mar 8,494, Apr 4,049, May 6,603, Jun 2,914, Jul 38K, Aug 15K, Sep 11K, Oct 46K, Nov 1,534, Dec 18K020k40k60k3,252Jan21KFeb8,494Mar4,049Apr6,603May2,914Jun38KJul15KAug11KSep46KOct1,534Nov18KDec
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Customer-hours; October was the worst month.

Frederick County year over year

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Frederick County, VA: average hours without power per customer by year2015: 0.8h; 2016: 2.7h; 2017: 3.9h; 2018: 3.3h, coverage 96%; 2019: 6.4h, coverage 97%; 2020: 1.2h, coverage 97%; 2021: 2.3h, coverage 97%; 2022: 5.1h, coverage 97%; 2023: 1.6h; 2024: 2.8h; 2025: 2.3h024680%50%100%0.8h20152.7h20163.9h20173.3h20186.4h20191.2h20202.3h20215.1h20221.6h20232.8h20242.3h2025
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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 Virginia customers tracked each year.

Biggest outages in Frederick County, 2017

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, 2017 03:30February 13, 2017 22:1518h 45m4,93616K
2July 29, 2017 01:15July 29, 2017 17:3016h 15m4,17615K
3August 3, 2017 17:00August 4, 2017 17:001d3,69013K
4September 5, 2017 18:00September 6, 2017 06:4512h 45m3,64410K
5December 13, 2017 08:45December 13, 2017 13:455h3,32710K
6July 12, 2017 16:45July 12, 2017 21:154h 30m3,1905,273
7July 23, 2017 08:00July 23, 2017 10:002h2,8805,756
8July 21, 2017 21:00July 22, 2017 03:456h 45m2,8784,435
9July 26, 2017 15:45July 26, 2017 18:453h2,8523,572
10October 29, 2017 18:30October 31, 2017 13:451d 19h2,84642K

Outage episodes by size in 2017: 75 reached 100+ customers, 19 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 Frederick County reported on EIA Form 861 for 2017, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Rappahannock Electric Coop20174.0 hrs1.942.0 hrs1.49
Shenandoah Valley Elec Coop20172.6 hrs1.522.6 hrs1.52

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Virginia's customers in 2017; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 45,160 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. Frederick County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Frederick County, VA annual power outage report, 2017, 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/2017/virginia/frederick-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON