It was not immediately clear how many people were affected by the hourlong outage, which the LADWP said began about 6:50 a.m.
ABC7 viewers said their electrical service was interrupted in Reseda, Tarzana and Winnetka.
All power restored in the valley area shortly before 8a.m.— LADWP (@LADWP) January 15, 2017
In a tweet published at 7:40 a.m., the LADWP said utility workers had been dispatched to address the outage.
According to the agency, power was restored to all customers just before 8 a.m.
The cause of the incident is under investigation.