At 8:30 a.m., power had been restored to all affected customers, according to ComEd spokesman Luis Diaz, who said that other than causing an inconvenience for customers, the outage did not cause any major problems.
The outage affected about 2,255 customers, as well as some traffic signals, Johnson said.
Fire Media Affairs spokesman Richard Rosado said fire department personnel checked on residents at a senior building at 1111 S. Ashland Ave. Circle Park apartments is listed at that address.
Crews did not find anyone needing assistance due to the outage and no one was injured, Fire Media Affairs Assistant Director Eve Rodriguez.
During the outage, a Monroe District police captain said crews were checking multiple senior buildings in the outage area. The captain said the temperature may not be extreme enough to cause serious problems.
The cause of the outage remains under investigation as of 9:20 a.m., Diaz said.