massoutage

County annual report · FIPS 45007

2015 Anderson County, SC Power Outage Report

In 2015, customers in Anderson County, SC went without power for an average of 12.1 hours, a total of 1.2M customer-hours (South Carolina average 2.5 hours). That ranks 1st worst of 46 South Carolina counties and 215th of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
12.1
101,520 customers
Customer-hours out
1.2M
Peak customers out
24,801
Outages ≥1,000 out
26
2 of 10,000+ · 722 total
Longest outage
3d 3h
began October 3, 2015
Rank in state
1st/46
215th of 2,484 US

Compared with SC, the US

Anderson County, SC average hours without power per customer compared with state and national averages, 2015Anderson County 12.1 hours, South Carolina average 2.5 hours, US average 2.9 hoursAnderson CountyAnderson County12.1hSouth Carolina averageSouth Carolina avera…2.5hUS averageUS average2.9h
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Average hours without power per customer in 2015.

Month by month

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Anderson County, SC customer-hours without power by month, 2015Jan 2,411, Feb 686K, Mar 4,341, Apr 9,969, May 22K, Jun 151K, Jul 202K, Aug 34K, Sep 7,017, Oct 75K, Nov 18K, Dec 17K0200k400k600k800k2,411Jan686KFeb4,341Mar9,969Apr22KMay151KJun202KJul34KAug7,017Sep75KOct18KNov17KDec
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Customer-hours; February was the worst month.

Anderson County year over year

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Anderson County, SC: average hours without power per customer by year2015: 12.1h; 2016: 3.0h; 2017: 12.2h; 2018: 6.1h, coverage 99%; 2019: 3.4h, coverage 99%; 2020: 12.4h, coverage 99%; 2021: 3.3h, coverage 99%; 2022: 5.9h, coverage 99%; 2023: 5.7h; 2024: 125.8h; 2025: 5.3h0501001500%50%100%12.1h20153.0h201612.2h20176.1h20183.4h201912.4h20203.3h20215.9h20225.7h2023125.8h20245.3h2025
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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 South Carolina customers tracked each year.

Biggest outages in Anderson County, 2015

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 16, 2015 13:45February 19, 2015 09:152d 19h24,801633K
2July 18, 2015 21:00July 19, 2015 01:454h 45m10,55430K
3July 19, 2015 03:00July 21, 2015 10:152d 7h9,766140K
4June 26, 2015 12:45June 29, 2015 09:002d 20h7,48399K
5June 30, 2015 10:45July 1, 2015 23:451d 13h7,40149K
6October 3, 2015 02:45October 6, 2015 06:003d 3h5,49655K
7February 14, 2015 21:15February 16, 2015 05:001d 7h4,80245K
8August 5, 2015 12:45August 7, 2015 09:001d 20h4,66822K
9October 12, 2015 15:45October 13, 2015 02:4511h3,04311K
10June 9, 2015 08:15June 9, 2015 10:452h 30m2,3184,057

Outage episodes by size in 2015: 90 reached 100+ customers, 26 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 Anderson County reported on EIA Form 861 for 2015, 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, LLC20155.3 hrs1.292.6 hrs1.02
Laurens Electric Coop, Inc20153.4 hrs1.3886 min0.88
Blue Ridge Electric Coop Inc - (SC)20156.3 hrs-1.9 hrs-
Duke Energy-----
Little River 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 2015; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 101,520 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. Anderson County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Anderson County, SC annual power outage report, 2015, 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/2015/south-carolina/anderson-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON