Power outage history
Wood County Wisconsin
1.8hours
without power for the average customer in a typical year, 2018–2025
53rd most of 72 in Wisconsin 73% 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 Wood's customers who were without power at that day's worst moment.
Year by year
Hours in the dark, per customer
2019 was the worst well-recorded year, at 9.0 hours for the average customer. Hatched years have a thin record and are left out of the averages.
Wood, 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 |
|---|---|---|---|---|---|---|
| Jul 20, 2019 | Thunderstorms | 12,925 | 28% | 2.2 d | 39 h | 293k |
| Feb 24, 2019 | Winter storm | 6,179 | 13% | 26 h | 20 h | 76k |
| Dec 15, 2021 | Windstorm | 5,616 | 12% | 28 h | 23 h | 71k |
| Jul 13, 2015 | Thunderstorms | 2,838 | 6% | 17 h | 14 h | 28k |
| Jun 10, 2016 | Thunderstorms | 3,768 | 8% | 11 h | 8.8 h | 17k |
| Jul 21, 2016 | Thunderstorms | 2,681 | 6% | 10 h | 8.5 h | 17k |
| Apr 3, 2016 | No storm report | 3,930 | 8% | 7.0 h | 7.0 h | 16k |
| May 26, 2025 | No storm report | 2,335 | 5% | 5.5 h | – | 9.5k |
| Jun 23, 2025 | Thunderstorms | 1,867 | 4% | 7.2 h | – | 8.5k |
| May 22, 2019 | Windstorm | 3,771 | 8% | 1.8 h | 12 min | 6.6k |
| Jan 10, 2017 | Winter storm | 1,242 | 3% | 6.8 h | – | 6.1k |
| Jul 19, 2019 | Thunderstorms | 1,277 | 3% | 4.8 h | – | 4.9k |
| May 24, 2017 | No storm report | 786 | 2% | 6.2 h | – | 4.9k |
| Jun 9, 2024 | No storm report | 2,188 | 5% | 2.8 h | – | 4.2k |
| Oct 12, 2019 | No storm report | 949 | 2% | 4.5 h | – | 3.9k |
| Apr 3, 2016 | No storm report | 2,493 | 5% | 2.2 h | 2.2 h | 3.8k |
| Jun 24, 2021 | Thunderstorms | 1,013 | 2% | 3.8 h | – | 3.7k |
| Sep 9, 2019 | No storm report | 580 | 1% | 6.2 h | – | 3.6k |
| Nov 30, 2019 | No storm report | 1,516 | 3% | 2.2 h | – | 3.4k |
| May 2, 2023 | No storm report | 781 | 2% | 4.2 h | – | 3.3k |
| May 21, 2024 | Thunderstorms | 1,527 | 3% | 2.2 h | – | 2.9k |
| Jun 25, 2021 | No storm report | 781 | 2% | 3.5 h | – | 2.7k |
| Jun 19, 2025 | No storm report | 681 | 1% | 4.0 h | – | 2.7k |
| Apr 30, 2016 | No storm report | 3,413 | 7% | 2.2 h | 1.0 h | 2.5k |
| Apr 19, 2023 | No storm report | 1,243 | 3% | 2.5 h | – | 2.4k |
| May 14, 2022 | No storm report | 1,128 | 2% | 2.2 h | – | 2.3k |
| Mar 9, 2018 | No storm report | 492 | 1% | 4.5 h | – | 2.2k |
| Sep 17, 2018 | Thunderstorms | 913 | 2% | 2.5 h | – | 2.2k |
| Mar 31, 2023 | No storm report | 621 | 1% | 3.5 h | – | 2.2k |
| Aug 18, 2015 | No storm report | 942 | 2% | 2.2 h | – | 2.1k |
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 Wood from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.
- Thunderstorms 57%
- No storm on record 15%
- Winter storm 14%
- Windstorm 14%
Who keeps the lights on
Utilities serving Wood
As each utility reports to the Energy Information Administration for its whole Wisconsin territory, not this county alone. Outage minutes include major storm days.
| Utility | Type | Outage min / yr | Excl. major storms | Outages / yr | Residential ¢/kWh | Customers |
|---|---|---|---|---|---|---|
| Wisconsin Power & Light Co | Investor Owned | 96 | 75 | 0.79 | 18.5 | 441k |
| Adams-Columbia Electric Coop | Cooperative | 108 | 66 | 0.87 | 19.0 | 36k |
| Oakdale Electric Coop | Cooperative | 118 | 84 | 1.11 | 15.9 | 17k |
| Wisconsin Rapids W W & L Comm | Municipal | 50 | – | 0.50 | 13.6 | 12k |
| City of Marshfield | Municipal | 13 | 10 | 0.14 | 10.3 | 12k |
| Clark Electric Coop | Cooperative | – | – | – | 14.4 | 9.6k |
| Consolidated Water Power Co | Investor Owned | – | – | – | 11.4 | 70 |
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 46,818 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 →