Hydro One says they have restored over 1,200 customers north of Huntsville.
Crews say the outage occurred just after 3:00pm yesterday and it affected customers from Huntsville to South River. It also affected those on Highway 124 near Strong.
The outage was caused by a material failure on the main line. Helicopters were used in the early stages of the response to patrol the lines.
Everyone was restored just before 6:00pm.