Power outages in Sparta, WI
Live outages for Sparta and the surrounding area, updated every 10 minutes. Sparta has 9,974 residents.
Right now
No live outage data for Sparta yet.
Outage map
SpartaMonroe County
Outage history in Monroe County, which includes Sparta
2014–2025 recordMonroe County averaged 6.3 significant outages a year in 2023–2025, fewer than most Wisconsin counties.
In the 12 months to December 2025, there were 5. Half were over within 2 hours; the longest lasted 6.5 hours, starting May 27, 2025.
The largest on record began May 11, 2022, with 7,515 customers out at once.
Outages are most common in June.
6.3significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.2 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.32 hourslongest on record (December 2022)
7,515most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| May 11, 2022 | 7,515 | 1.5 hours | 6,839 |
| October 24, 2015 | 6,021 | 5.5 hours | 32,671 |
| March 13, 2015 | 3,340 | 1 hour | 3,266 |
| December 16, 2021 | 2,667 | 14 hours | 9,251 |
| December 31, 2022 | 2,525 | 2 hours | 2,433 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.