massoutage

County annual report · FIPS 45063

2017 Lexington County, SC Power Outage Report

In 2017, customers in Lexington County, SC went without power for an average of 3.6 hours, a total of 599K customer-hours (South Carolina average 4.4 hours). That ranks 24th worst of 46 South Carolina counties and 1184th of 2,786 nationally.

Summary data CSVJSON
Avg hrs / customer
3.6
165,904 customers
Customer-hours out
599K
Peak customers out
30,565
Outages ≥1,000 out
45
2 of 10,000+ · 1,322 total
Longest outage
2d 15h
began September 11, 2017
Rank in state
24th/46
1184th of 2,786 US

Compared with SC, the US and 2016

Lexington County, SC average hours without power per customer compared with state and national averages, 2017Lexington County 3.6 hours, South Carolina average 4.4 hours, US average 7.4 hours, Lexington County, 2016 1.7 hoursLexington CountyLexington County3.6hSouth Carolina averageSouth Carolina avera…4.4hUS averageUS average7.4hLexington County, 2016Lexington County, 20…1.7h
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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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Lexington County, SC customer-hours without power by month, 2017Jan 4,048, Feb 6,067, Mar 99K, Apr 43K, May 56K, Jun 20K, Jul 21K, Aug 13K, Sep 308K, Oct 13K, Nov 9,595, Dec 6,6930100k200k300k400k4,048Jan6,067Feb99KMar43KApr56KMay20KJun21KJul13KAug308KSep13KOct9,595Nov6,693Dec
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Customer-hours; September was the worst month.

Lexington County year over year

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Lexington County, SC: average hours without power per customer by year2015: 1.4h; 2016: 1.7h; 2017: 3.6h; 2018: 3.5h, coverage 99%; 2019: 2.6h, coverage 99%; 2020: 2.2h, coverage 99%; 2021: 1.6h, coverage 99%; 2022: 2.6h, coverage 99%; 2023: 2.0h; 2024: 36.9h; 2025: 4.0h0102030400%50%100%1.4h20151.7h20163.6h20173.5h20182.6h20192.2h20201.6h20212.6h20222.0h202336.9h20244.0h2025
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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 South Carolina customers tracked each year.

Biggest outages in Lexington 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
1September 11, 2017 10:30September 14, 2017 02:152d 15h30,565302K
2March 22, 2017 01:45March 23, 2017 02:001d14,97074K
3May 28, 2017 23:00May 29, 2017 18:0019h6,44318K
4August 31, 2017 12:30August 31, 2017 16:304h5,9881,522
5April 5, 2017 12:00April 6, 2017 06:1518h 15m5,74111K
6October 24, 2017 16:00October 24, 2017 21:155h 15m5,7371,614
7April 23, 2017 06:45April 24, 2017 07:301d3,4307,535
8April 3, 2017 11:00April 4, 2017 08:1521h 15m3,3906,971
9November 16, 2017 17:00November 16, 2017 23:456h 45m2,6832,028
10June 3, 2017 17:00June 4, 2017 07:0014h2,5791,699

Outage episodes by size in 2017: 172 reached 100+ customers, 45 reached 1,000+ customers, 2 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 Lexington County reported on EIA Form 861 for 2017, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Dominion Energy South Carolina, Inc20175.5 hrs1.8582 min1.14
Aiken Electric Coop Inc20175.6 hrs-2.2 hrs-
Tri-County Electric Coop, Inc (SC)20175.6 hrs3.432.9 hrs2.34
Mid-Carolina Electric Coop Inc20175.4 hrs2.1270 min1.21
Newberry Electric Coop, Inc-----

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 South Carolina's customers in 2017; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 165,904 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. Lexington County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Lexington County, SC 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/south-carolina/lexington-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON