Power outage history
Marion County Florida
5.2hours
without power for the average customer in a typical year, 2018–2025
49th most of 67 in Florida 21% below the national median
Every day since 2015
Eleven years, one night at a time
Each cell is a day. The brighter it is, the larger the share of Marion's customers who were without power at that day's worst moment.
Year by year
Hours in the dark, per customer
2024 was the worst well-recorded year, at 21 hours for the average customer. Hatched years have a thin record and are left out of the averages.
Marion, hours without power per customer
The record
The biggest outages since 2015
Ranked by customer-hours lost: customers out multiplied by how long they stayed out. Times are local.
| Began | Storm | Peak out | Share | Lasted | 90% restored | Customer-hours |
|---|---|---|---|---|---|---|
| Sep 10, 2017 | Hurricane Irma | 177,207 | 81% | 8.6 d | 5.9 d | 12M |
| Oct 9, 2024 | Hurricane Milton | 71,609 | 33% | 3.8 d | 2.3 d | 2.4M |
| Sep 26, 2024 | Hurricane Helene | 47,810 | 22% | 2.7 d | 39 h | 1.1M |
| Aug 5, 2024 | Hurricane Debby | 25,119 | 12% | 38 h | 30 h | 439k |
| Oct 7, 2016 | Hurricane Matthew | 21,850 | 10% | 29 h | 34 h | 420k |
| Nov 10, 2022 | Hurricane Nicole | 23,000 | 11% | 31 h | 24 h | 263k |
| Sep 29, 2022 | Hurricane Ian | 12,552 | 6% | 32 h | 25 h | 181k |
| Sep 2, 2016 | Hurricane Hermine | 14,779 | 7% | 34 h | 35 h | 148k |
| Jun 23, 2022 | Thunderstorms | 17,013 | 8% | 10 h | 9.0 h | 92k |
| Jun 28, 2015 | No storm report | 17,934 | 8% | 5.0 h | 12 min | 86k |
| Apr 15, 2018 | Thunderstorms | 12,650 | 6% | 11 h | 11 h | 84k |
| May 20, 2022 | No storm report | 6,858 | 3% | 13 h | 6.5 h | 73k |
| Feb 6, 2020 | Thunderstorms | 11,133 | 5% | 14 h | 14 h | 67k |
| Oct 8, 2016 | Hurricane Matthew | 8,123 | 4% | 19 h | 22 h | 63k |
| Apr 1, 2017 | No storm report | 4,643 | 2% | 12 h | – | 57k |
| Jun 9, 2019 | Thunderstorms | 3,423 | 2% | 22 h | – | 50k |
| Jun 24, 2022 | Thunderstorms | 13,210 | 6% | 6.2 h | 5.0 h | 47k |
| Apr 19, 2019 | Thunderstorms | 9,611 | 4% | 7.0 h | 6.8 h | 41k |
| Jul 21, 2022 | No storm report | 5,022 | 2% | 7.8 h | 7.5 h | 37k |
| Feb 22, 2020 | No storm report | 5,470 | 3% | 6.5 h | 2.2 h | 35k |
| Aug 30, 2023 | Hurricane Idalia | 8,042 | 4% | 14 h | 15 h | 34k |
| Apr 26, 2023 | Thunderstorms | 6,853 | 3% | 7.8 h | 7.2 h | 31k |
| Apr 2, 2022 | Thunderstorms | 9,385 | 4% | 7.0 h | 6.5 h | 27k |
| Apr 27, 2023 | No storm report | 8,792 | 4% | 5.0 h | 7.5 h | 27k |
| Apr 3, 2024 | Thunderstorms | 9,111 | 4% | 5.2 h | 6.5 h | 24k |
| May 1, 2019 | No storm report | 5,459 | 3% | 4.2 h | 2.8 h | 23k |
| Aug 27, 2021 | No storm report | 4,757 | 2% | 4.8 h | – | 23k |
| Sep 11, 2023 | No storm report | 2,879 | 1% | 7.8 h | – | 21k |
| Jun 20, 2023 | Thunderstorms | 6,123 | 3% | 5.5 h | 5.8 h | 20k |
| Mar 12, 2022 | Tornadoes | 7,585 | 3% | 6.0 h | 9.5 h | 20k |
After the peak
How fast the lights come back
Each line is one major outage, from its peak. The amber line is the typical path.
When it happens
The outage clock
Customer-hours out by month (rings, January innermost) and local hour, 2018–2025.
What was happening
Weather behind the outages
Each outage is matched to NOAA storm reports for Marion from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.
- Tropical storm 78%
- No storm on record 11%
- Thunderstorms 11%
- Tornadoes 0.6%
Who keeps the lights on
Utilities serving Marion
As each utility reports to the Energy Information Administration for its whole Florida territory, not this county alone. Outage minutes include major storm days.
| Utility | Type | Outage min / yr | Excl. major storms | Outages / yr | Residential ¢/kWh | Customers |
|---|---|---|---|---|---|---|
| Duke Energy Florida, LLC | Investor Owned | 87 | 82 | 0.97 | 18.4 | 1.8M |
| Sumter Electric Coop, Inc | Cooperative | 69 | 69 | 0.99 | 15.0 | 240k |
| Clay Electric Cooperative, Inc | Cooperative | 205 | 205 | 2.60 | 14.0 | 174k |
| City of Ocala | Municipal | 93 | 66 | 1.44 | 11.7 | 49k |
| Central Florida Elec Coop, Inc | Cooperative | 134 | 134 | 1.94 | 15.2 | 33k |
EIA Form 861, latest year each utility reported. Outage minutes are SAIDI, the yearly minutes the average customer goes without power; outages a year are SAIFI.
About these numbers
Notes
Outages come from the EAGLE-I record of utility outage maps collected every 15 minutes by Oak Ridge National Laboratory. Hours without power are customer-hours divided by the county's 217,647 electricity customers. Averages use well-covered years from 2018. Outages shorter than 15 minutes, and utilities that publish no outage map, are not in the record, so these figures understate the total. How every number is made →