Power Outages in Wisconsin by City

Power outage record for Wisconsin

• 2024: Wisconsin electric customers averaged 1.02 outages and 266 minutes (4.4 hours) without power. Average across all reporting US utilities: 611 minutes. That makes Wisconsin 20th of 50 states (1 = fewest outage minutes).
• Storm days vs. ordinary days: leaving out major event days, the figure drops to 91 minutes (US 126). About 66% of the year's outage time came on a handful of severe days.
• Six-year record: the worst year was 2019 (356 minutes), the best 2020 (113). 2024 was close to the 2019–2023 average of 248 minutes.
• Largest utilities: Wisconsin Electric Power Co, 1,212,936 customers, 296 minutes; Wisconsin Power & Light Co, 501,445 customers, 154 minutes; Wisconsin Public Service Corp, 469,161 customers, 465 minutes.
• Spread between utilities: among 6 utilities with 25,000+ customers, Adams-Columbia Electric Coop had the least outage time (140 minutes) and Wisconsin Public Service Corp the most (465 minutes). Source: EIA Form 861 reliability data, 2019–2024
• Storm record since 2015: 14,898 NOAA storm reports in Wisconsin, led by thunderstorm wind 3,699, hail 2,931, winter weather 2,076. Power outages are named in 128 storm episodes. Source: NOAA Storm Events Database
• April 27, 2026, Milwaukee (high wind): “Approximately 51,000 We Energies customers were without power due to downed powerlines.” Source: NOAA Storm Events Database
• March 13, 2026, Milwaukee (high wind): “Many branches down throughout the county, and over 20,000 customers without power.” Source: NOAA Storm Events Database
• June 30, 2019, Grant (thunderstorm wind): “The hardest hit areas were across the southern half of the county, including Cuba City which was hit particularly hard with damaging winds. 20,000 customers across the county were without power.” Source: NOAA Storm Events Database

Checked September 2026.