massoutage

County annual report · FIPS 12023

2015 Columbia County, FL Power Outage Report

In 2015, customers in Columbia County, FL went without power for an average of 2.7 hours, a total of 106K customer-hours (Florida average 1.6 hours). That ranks 19th worst of 67 Florida counties and 982nd of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
2.7
38,562 customers
Customer-hours out
106K
Peak customers out
6,988
Outages ≥1,000 out
28
0 of 10,000+ · 840 total
Longest outage
1d 19h
began June 22, 2015
Rank in state
19th/67
982nd of 2,484 US

Compared with FL, the US

Columbia County, FL average hours without power per customer compared with state and national averages, 2015Columbia County 2.7 hours, Florida average 1.6 hours, US average 2.9 hoursColumbia CountyColumbia County2.7hFlorida averageFlorida average1.6hUS averageUS average2.9h
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Average hours without power per customer in 2015.

Month by month

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Columbia County, FL customer-hours without power by month, 2015Jan 6,706, Feb 7,880, Mar 1,757, Apr 11K, May 6,976, Jun 10K, Jul 23K, Aug 21K, Sep 11K, Oct 2,301, Nov 2,916, Dec 1,181010k20k30k6,706Jan7,880Feb1,757Mar11KApr6,976May10KJun23KJul21KAug11KSep2,301Oct2,916Nov1,181Dec
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Customer-hours; July was the worst month.

Columbia County year over year

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Columbia County, FL: average hours without power per customer by year2015: 2.7h; 2016: 12.0h; 2017: 37.3h; 2018: 4.7h, coverage 97%; 2019: 4.0h, coverage 97%; 2020: 6.4h, coverage 97%; 2021: 3.4h, coverage 98%; 2022: 6.5h, coverage 98%; 2023: 30.3h; 2024: 84.1h; 2025: 2.3h02550751000%50%100%2.7h201512.0h201637.3h20174.7h20184.0h20196.4h20203.4h20216.5h202230.3h202384.1h20242.3h2025
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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 Florida customers tracked each year.

Biggest outages in Columbia 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
1June 30, 2015 16:00July 1, 2015 23:301d 7h6,98812K
2August 23, 2015 20:30August 24, 2015 05:008h 30m2,6463,623
3April 19, 2015 20:15April 20, 2015 03:157h2,5757,077
4July 4, 2015 01:15July 4, 2015 02:451h 30m2,2181,860
5September 23, 2015 11:15September 23, 2015 16:455h 30m2,2171,119
6April 15, 2015 21:45April 16, 2015 03:155h 30m2,0851,064
7July 24, 2015 12:30July 24, 2015 13:451h 15m2,0801,560
8May 11, 2015 21:15May 12, 2015 03:156h1,9912,688
9February 2, 2015 15:15February 2, 2015 17:302h 15m1,687848
10April 15, 2015 15:00April 15, 2015 18:003h1,661479

Outage episodes by size in 2015: 87 reached 100+ customers, 28 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 Columbia 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
Florida Power & Light Co201565 min0.8262 min0.79
Duke Energy Florida, LLC20151.6 hrs1.211.6 hrs1.21
Clay Electric Cooperative, Inc - (FL)20153.3 hrs4.032.8 hrs3.29
Suwannee Valley Elec Coop Inc20158.1 hrs4.585.2 hrs3.58

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 Florida's customers in 2015; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 38,562 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. Columbia County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Columbia County, FL 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/florida/columbia-county

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