Over 300 local power utilities reported causes of outages to the American Public Power Association in 2023. Squirrels are the third leading cause of outages in across the country. In the Midwest, squirrels are the top cause of outages.
A chart shows the 10 leading causes of power outages in the United States in 2023. The main cause of outages is trees, then equipment, squirrels, unknown causes, storms, weather, other wildlife, planned equipment replacement, electrical failure and birds.