massoutage

County annual report · FIPS 12053

2023 Hernando County, FL Power Outage Report

In 2023, customers in Hernando County, FL went without power for an average of 2.3 hours, a total of 249K customer-hours (Florida average 3.4 hours). That ranks 45th worst of 67 Florida counties and 2186th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
2.3
108,453 customers
Customer-hours out
249K
Peak customers out
10,801
Outages ≥1,000 out
33
1 of 10,000+ · 1,154 total
Longest outage
3d 1h
began August 30, 2023
Rank in state
45th/67
2186th of 2,977 US

Compared with FL, the US and 2022

Hernando County, FL average hours without power per customer compared with state and national averages, 2023Hernando County 2.3 hours, Florida average 3.4 hours, US average 7.1 hours, Hernando County, 2022 1.8 hoursHernando CountyHernando County2.3hFlorida averageFlorida average3.4hUS averageUS average7.1hHernando County, 2022Hernando County, 20221.8h
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Average hours without power per customer in 2023; last bar is this county in 2022.

Month by month

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Hernando County, FL customer-hours without power by month, 2023Jan 4,518, Feb 14K, Mar 7,524, Apr 65K, May 6,508, Jun 36K, Jul 25K, Aug 60K, Sep 6,819, Oct 11K, Nov 6,112, Dec 6,395020k40k60k80k4,518Jan14KFeb7,524Mar65KApr6,508May36KJun25KJul60KAug6,819Sep11KOct6,112Nov6,395Dec
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Customer-hours; April was the worst month.

Hernando County year over year

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Hernando County, FL: average hours without power per customer by year2015: 1.7h; 2016: 2.8h; 2017: 10.4h; 2018: 1.6h, coverage 97%; 2019: 2.6h, coverage 97%; 2020: 2.1h, coverage 97%; 2021: 1.3h, coverage 98%; 2022: 1.8h, coverage 98%; 2023: 2.3h; 2024: 29.8h; 2025: 1.5h01020300%50%100%1.7h20152.8h201610.4h20171.6h20182.6h20192.1h20201.3h20211.8h20222.3h202329.8h20241.5h2025
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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 Florida customers tracked each year.

Biggest outages in Hernando County, 2023

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1April 28, 2023 01:15April 29, 2023 03:301d 2h10,80156K
2June 20, 2023 11:30June 20, 2023 21:4510h 15m5,7895,369
3August 30, 2023 02:45September 2, 2023 03:453d 1h4,11742K
4August 25, 2023 18:45August 26, 2023 01:306h 45m2,8922,178
5June 28, 2023 10:45June 28, 2023 21:4511h2,8782,990
6June 16, 2023 15:15June 16, 2023 23:158h2,5763,314
7July 26, 2023 18:30July 26, 2023 22:003h 30m2,5612,030
8June 21, 2023 08:15June 22, 2023 04:4520h 30m2,4394,204
9June 23, 2023 21:45June 24, 2023 02:304h 45m2,3763,060
10January 25, 2023 12:00January 25, 2023 16:154h 15m2,3661,196

Outage episodes by size in 2023: 116 reached 100+ customers, 33 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 Hernando County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Duke Energy Florida, LLC20233.0 hrs1.0884 min0.96
Withlacoochee River Elec Coop20232.3 hrs1.441.5 hrs1.29
Sumter 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 Florida's customers in 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 108,453 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. Hernando County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Hernando County, FL annual power outage report, 2023, 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/2023/florida/hernando-county

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