A service box under State Street caught fire just before midnight.
Two Con Edison workers who were working on smoking manholes at the time they were injured. They were treated and released from Long Island College Hospital.
As many as six buildings on the street were left without power by the repairs, including 21,25 and 27 State St.; and 48,49 and 51 Willow St.
Additionally, the windows of a nearby parking garage were damaged.
All customers had power restored by 5:30 a.m. Friday.