More than 17,000 Pacific Power customers in Sweet Home and Lebanon were without power on the evening of July 14.
The outage was caused by a failed insulator on one of the larger transmission lines on Old Santiam Hwy across from Pineway Golfcourse, said Tom Gauntt, Pacific Power spokesman.
The outage started at 7:20 p.m.
Power in Lebanon was restored at 8:20 p.m. In Sweet Home, power was back up at 8:43 p.m.
The 470 customers in Waterloo were without power until 3 a.m.