Crews were dispatched to the area of Franklin Street (state Route 725) and Bonniedale Drive, Mary Ann Kabel, DP&L director of corporate communications, said.
The incident was reported around 5 p.m.
Major retailers affected included Walmart, Aldi, Staples and the gym Anytime Fitness.
#OutageUpdate: Approx. 2,500 customers are w/o power. We have reports of wires down in the Bellbrook /Sugarcreek area. Crews are responding. For the latest, visit https://t.co/6vl9Zg8eSn to check your status and view the Outage Map.