Power has been restored to residents in Strathroy.
Entegrus says a fallen tree caused a large power outage early Saturday afternoon.
According to the company's outages map, approximately 4,800 people were affected.
The utility says the isolation caused by the damage was completed shortly after 5:30pm.
All customers were back online by Sunday morning.
All power is restored in Strathroy Thanks for your patience
— Entegrus Inc. (@Entegrus) April 15, 2018