PECO announced Monday that the power has been restored to 99 percent of its customers since Superstorm Sandy made its way through the area.
By Monday night, only 3,000 customers were without power, according to PECO.
The majority of customers still waiting for power are in Bucks County, with 1,500 homes currently without power.
In Montgomery County, there are 800 homes without power.
PECO says the remaining outages are scattered through Chester, Delaware and Philadelphia counties.