massoutage

County annual report · FIPS 12073

2018 Leon County, FL Power Outage Report

In 2018, customers in Leon County, FL went without power for an average of 47.7 hours, a total of 9.4M customer-hours (Florida average 5.5 hours). That ranks 10th worst of 67 Florida counties and 123rd of 2,798 nationally.

Summary data CSVJSON
Avg hrs / customer
47.7
196,858 customers
Customer-hours out
9.4M
Peak customers out
135,215
Outages ≥1,000 out
95
1 of 10,000+ · 1,094 total
Longest outage
17d 4h
began October 10, 2018
Rank in state
10th/67
123rd of 2,798 US

Compared with FL, the US and 2017

Leon County, FL average hours without power per customer compared with state and national averages, 2018Leon County 47.7 hours, Florida average 5.5 hours, US average 5.6 hours, Leon County, 2017 6.8 hoursLeon CountyLeon County47.7hFlorida averageFlorida average5.5hUS averageUS average5.6hLeon County, 2017Leon County, 20176.8h
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Average hours without power per customer in 2018; last bar is this county in 2017.

Month by month

CSVJSON
Leon County, FL customer-hours without power by month, 2018Jan 11K, Feb 22K, Mar 28K, Apr 54K, May 68K, Jun 50K, Jul 79K, Aug 78K, Sep 48K, Oct 8.9M, Nov 51K, Dec 42K02.5M5M7.5M10M11KJan22KFeb28KMar54KApr68KMay50KJun79KJul78KAug48KSep8.9MOct51KNov42KDec
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Customer-hours; October was the worst month.

Leon County year over year

CSVJSON
Leon County, FL: average hours without power per customer by year2015: 0.2h; 2016: 6.5h; 2017: 6.8h; 2018: 47.7h, coverage 97%; 2019: 2.8h, coverage 97%; 2020: 3.2h, coverage 97%; 2021: 2.4h, coverage 98%; 2022: 3.0h, coverage 98%; 2023: 8.7h; 2024: 36.9h; 2025: 2.4h02040600%50%100%0.2h20156.5h20166.8h201747.7h20182.8h20193.2h20202.4h20213.0h20228.7h202336.9h20242.4h2025
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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 Leon County, 2018

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1October 10, 2018 11:30October 27, 2018 16:1517d 4h135,2158.8M
2September 3, 2018 10:15September 4, 2018 02:4516h 30m8,67916K
3September 2, 2018 19:00September 3, 2018 07:3012h 30m7,1466,752
4April 15, 2018 09:45April 16, 2018 06:1520h 30m7,01042K
5March 19, 2018 04:45March 20, 2018 11:001d 6h6,79315K
6July 21, 2018 16:00July 23, 2018 03:301d 11h6,46127K
7February 21, 2018 12:15February 21, 2018 14:001h 45m5,6974,616
8June 8, 2018 10:00June 9, 2018 07:3021h 30m4,6497,189
9May 28, 2018 09:00May 30, 2018 05:301d 20h4,61330K
10August 3, 2018 06:00August 4, 2018 03:3021h 30m4,44713K

Outage episodes by size in 2018: 269 reached 100+ customers, 95 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 Leon 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 Florida, LLC20183.8 hrs1.381.9 hrs1.20
Grady Electric Membership Corp20182.2 hrs7.01--
Talquin Electric Coop, Inc2018134.9 hrs5.185.3 hrs3.79
City of Tallahassee - (FL)-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 97% of Florida's customers in 2018; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 196,858 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. Leon County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Leon County, FL 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/florida/leon-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON