massoutage

County annual report · FIPS 45041

2019 Florence County, SC Power Outage Report

In 2019, customers in Florence County, SC went without power for an average of 2.2 hours, a total of 119K customer-hours (South Carolina average 4.8 hours). That ranks 36th worst of 46 South Carolina counties and 1973rd of 2,945 nationally.

Summary data CSVJSON
Avg hrs / customer
2.2
54,564 customers
Customer-hours out
119K
Peak customers out
23,390
Outages ≥1,000 out
18
1 of 10,000+ · 982 total
Longest outage
12d 7h
began October 15, 2019
Rank in state
36th/46
1973rd of 2,945 US

Compared with SC, the US and 2018

Florence County, SC average hours without power per customer compared with state and national averages, 2019Florence County 2.2 hours, South Carolina average 4.8 hours, US average 4.7 hours, Florence County, 2018 8.8 hoursFlorence CountyFlorence County2.2hSouth Carolina averageSouth Carolina avera…4.8hUS averageUS average4.7hFlorence County, 2018Florence County, 20188.8h
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Average hours without power per customer in 2019; last bar is this county in 2018.

Month by month

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Florence County, SC customer-hours without power by month, 2019Jan 6,107, Feb 2,789, Mar 5,456, Apr 13K, May 21K, Jun 16K, Jul 12K, Aug 9,233, Sep 22K, Oct 1,936, Nov 2,048, Dec 8,198010k20k30k6,107Jan2,789Feb5,456Mar13KApr21KMay16KJun12KJul9,233Aug22KSep1,936Oct2,048Nov8,198Dec
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Customer-hours; September was the worst month.

Florence County year over year

CSVJSON
Florence County, SC: average hours without power per customer by year2015: 2.3h; 2016: 74.7h; 2017: 2.7h; 2018: 8.8h, coverage 99%; 2019: 2.2h, coverage 99%; 2020: 1.9h, coverage 99%; 2021: 1.9h, coverage 99%; 2022: 5.7h, coverage 99%; 2023: 4.5h; 2024: 2.9h; 2025: 1.5h0204060800%50%100%2.3h201574.7h20162.7h20178.8h20182.2h20191.9h20201.9h20215.7h20224.5h20232.9h20241.5h2025
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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 Florence County, 2019

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1December 19, 2019 17:30December 19, 2019 17:4515m23,3905,848
2August 13, 2019 11:30August 13, 2019 16:455h 15m6,5332,893
3September 5, 2019 08:15September 7, 2019 19:302d 11h4,55618K
4June 20, 2019 19:00June 22, 2019 05:151d 10h4,3629,580
5May 4, 2019 21:30May 5, 2019 18:3021h3,67414K
6April 26, 2019 18:30April 27, 2019 02:458h 15m2,6382,514
7July 10, 2019 12:00July 11, 2019 00:0012h1,8353,306
8July 3, 2019 21:30July 4, 2019 00:152h 45m1,777893
9July 4, 2019 18:30July 5, 2019 14:3020h1,7753,284
10August 21, 2019 09:45August 21, 2019 16:457h1,477376

Outage episodes by size in 2019: 80 reached 100+ customers, 18 reached 1,000+ customers, 1 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 Florence County reported on EIA Form 861 for 2019, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Duke Energy Progress - (NC)201843.0 hrs2.712.6 hrs1.33
Santee Electric Coop, Inc20186.9 hrs-3.4 hrs-
Duke Energy-----
MPD Electric Cooperative-----

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 2019; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 54,564 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. Florence County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Florence County, SC annual power outage report, 2019, 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/2019/south-carolina/florence-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON