massoutage

County annual report · FIPS 45073

2018 Oconee County, SC Power Outage Report

In 2018, customers in Oconee County, SC went without power for an average of 6.0 hours, a total of 243K customer-hours (South Carolina average 5.2 hours). That ranks 18th worst of 46 South Carolina counties and 912th of 2,798 nationally.

Summary data CSVJSON
Avg hrs / customer
6.0
40,425 customers
Customer-hours out
243K
Peak customers out
3,077
Outages ≥1,000 out
20
0 of 10,000+ · 872 total
Longest outage
3d 5h
began December 8, 2018
Rank in state
18th/46
912th of 2,798 US

Compared with SC, the US and 2017

Oconee County, SC average hours without power per customer compared with state and national averages, 2018Oconee County 6.0 hours, South Carolina average 5.2 hours, US average 5.6 hours, Oconee County, 2017 8.5 hoursOconee CountyOconee County6.0hSouth Carolina averageSouth Carolina avera…5.2hUS averageUS average5.6hOconee County, 2017Oconee County, 20178.5h
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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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Oconee County, SC customer-hours without power by month, 2018Jan 4,440, Feb 7,591, Mar 4,117, Apr 7,828, May 20K, Jun 60K, Jul 15K, Aug 29K, Sep 21K, Oct 7,087, Nov 3,816, Dec 63K020k40k60k80k4,440Jan7,591Feb4,117Mar7,828Apr20KMay60KJun15KJul29KAug21KSep7,087Oct3,816Nov63KDec
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Customer-hours; December was the worst month.

Oconee County year over year

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Oconee County, SC: average hours without power per customer by year2015: 4.5h; 2016: 1.2h; 2017: 8.5h; 2018: 6.0h, coverage 99%; 2019: 2.5h, coverage 99%; 2020: 55.9h, coverage 99%; 2021: 2.7h, coverage 99%; 2022: 9.8h, coverage 99%; 2023: 4.3h; 2024: 89.2h; 2025: 6.9h02550751000%50%100%4.5h20151.2h20168.5h20176.0h20182.5h201955.9h20202.7h20219.8h20224.3h202389.2h20246.9h2025
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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 Oconee County, 2018

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1December 8, 2018 19:30December 12, 2018 01:003d 5h3,07757K
2July 23, 2018 12:00July 24, 2018 03:3015h 30m2,626788
3July 4, 2018 02:00July 4, 2018 23:0021h2,2957,628
4January 4, 2018 16:15January 4, 2018 22:005h 45m1,9692,960
5June 10, 2018 14:00June 10, 2018 15:301h 30m1,9482,920
6July 12, 2018 12:30July 12, 2018 19:457h 15m1,8201,401
7November 29, 2018 13:15November 29, 2018 22:309h 15m1,805857
8August 7, 2018 21:15August 9, 2018 09:151d 12h1,58213K
9June 24, 2018 20:45June 27, 2018 09:452d 13h1,50034K
10September 4, 2018 21:45September 5, 2018 21:0023h 15m1,38915K

Outage episodes by size in 2018: 73 reached 100+ customers, 20 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 Oconee 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 Carolinas, LLC201813.1 hrs1.813.7 hrs1.19
Haywood Electric Member Corp201833.4 hrs5.148.2 hrs3.40
Blue Ridge Electric Coop Inc - (SC)20188.8 hrs-2.2 hrs-
City of Seneca - (SC)20181.6 hrs0.65--
City of Westminster - (SC)-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 99% of South Carolina's customers in 2018; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 40,425 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. Oconee County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Oconee County, SC 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/south-carolina/oconee-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON