massoutage

County annual report · FIPS 12089

2022 Nassau County, FL Power Outage Report

In 2022, customers in Nassau County, FL went without power for an average of 2.0 hours, a total of 102K customer-hours (Florida average 20.9 hours). That ranks 60th worst of 67 Florida counties and 2314th of 2,976 nationally.

Summary data CSVJSON
Avg hrs / customer
2.0
52,493 customers
Customer-hours out
102K
Peak customers out
3,996
Outages ≥1,000 out
18
0 of 10,000+ · 757 total
Longest outage
2d 5h
began September 28, 2022
Rank in state
60th/67
2314th of 2,976 US

Compared with FL, the US and 2021

Nassau County, FL average hours without power per customer compared with state and national averages, 2022Nassau County 2.0 hours, Florida average 20.9 hours, US average 8.3 hours, Nassau County, 2021 1.4 hoursNassau CountyNassau County2.0hFlorida averageFlorida average20.9hUS averageUS average8.3hNassau County, 2021Nassau County, 20211.4h
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Average hours without power per customer in 2022; last bar is this county in 2021.

Month by month

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Nassau County, FL customer-hours without power by month, 2022Jan 6,120, Feb 1,977, Mar 10K, Apr 7,611, May 3,779, Jun 3,509, Jul 11K, Aug 13K, Sep 18K, Oct 5,111, Nov 20K, Dec 1,71305k10k15k20k6,120Jan1,977Feb10KMar7,611Apr3,779May3,509Jun11KJul13KAug18KSep5,111Oct20KNov1,713Dec
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Customer-hours; November was the worst month.

Nassau County year over year

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Nassau County, FL: average hours without power per customer by year2015: 0.6h; 2016: 9.4h; 2017: 40.6h; 2018: 4.3h, coverage 97%; 2019: 2.6h, coverage 97%; 2020: 3.4h, coverage 97%; 2021: 1.4h, coverage 98%; 2022: 2.0h, coverage 98%; 2023: 3.6h; 2024: 11.8h; 2025: 2.9h02040600%50%100%0.6h20159.4h201640.6h20174.3h20182.6h20193.4h20201.4h20212.0h20223.6h202311.8h20242.9h2025
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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 Florida customers tracked each year.

Biggest outages in Nassau County, 2022

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1November 8, 2022 14:30November 8, 2022 23:459h 15m3,9961,479
2August 25, 2022 18:45August 26, 2022 06:4512h3,8511,048
3May 7, 2022 13:00May 8, 2022 02:4513h 45m2,6311,420
4March 23, 2022 15:00March 23, 2022 15:4545m2,485622
5September 28, 2022 17:15September 30, 2022 22:452d 5h2,22812K
6July 7, 2022 20:30July 8, 2022 08:3012h2,1361,543
7November 10, 2022 01:45November 11, 2022 17:001d 15h2,13117K
8August 10, 2022 17:30August 10, 2022 23:005h 30m1,959688
9March 3, 2022 11:15March 3, 2022 11:3015m1,957489
10July 10, 2022 02:15July 10, 2022 05:153h1,9433,024

Outage episodes by size in 2022: 92 reached 100+ customers, 18 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 Nassau County reported on EIA Form 861 for 2022, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Florida Power & Light Co202219.2 hrs1.1148 min0.55
Okefenoke Rural El Member Corp20224.3 hrs3.573.4 hrs3.20
Florida Public Utilities Co-----
JEA-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 98% of Florida's customers in 2022; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 52,493 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. Nassau County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Nassau County, FL annual power outage report, 2022, 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/2022/florida/nassau-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON