A downed power line caused 2,347 customers to lose power in southern Santa Maria.
It happened around 12:35 Friday afternoon near the intersection of Betteravia Road and Thornburg Street.
PG&E crews were able to restore power to most of the customers within an hour.
Police blocked off Betteravia Road while the downed line was repaired.
A PG&E spokesman says crews are looking into why the power line went down.