Seminole County, Florida Power Outages, 2015 to 2023

Seminole County, Florida had 13 major outages from 2015 to 2023

Higher outage time among US counties

Residents here averaged 2.46 times the US outage time per person and 1.25 times the Florida rate. It ranks 25 of 60 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.4major outages per year

8 of 9years with a major outage

243 hrslongest major outage

Sep, Octhardest months

September and October made up 91% of this county's outage time. The largest outage on record began Sep 10, 2017, reached 198,450 customers, and left at least 200 customers out for 243.0 hours.

Outage time per resident, rated Florida counties

MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

10M

15M

20M

2015'152016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	157,087	160	1
2016	2,362,227	181	3
2017	15,733,885	181	1
2018	288,340	230	1
2019	295,321	191	2
2020	312,218	214	2
2021	241,123	202	1
2022	7,092,072	239	2
2023	284,869	198	0

When outages hit

Share of this county's customer-hours by month.

25%

50%

75%

100%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Sep 10, 2017	243.0	198,450	15,561,732
Sep 28, 2022	155.5	136,129	6,369,705
Oct 7, 2016	41.0	73,595	1,633,448
Oct 8, 2016	92.5	17,671	488,119
Nov 10, 2022	39.2	32,973	389,804

Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.

Size your backup battery

Start with what you would keep running. Wattages are typical averages, so check your own appliances.

Phones, Wi-Fi, lights, about 60 WRefrigerator, about 60 WChest freezer, about 40 WGas furnace fan, about 160 W

Hours to cover: 24

1,700 Whof battery capacity, allowing for about 15% conversion loss

If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.

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How to read this

A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.