Saanich police say a two-vehicle crash early Tuesday morning has closed Mayfair Road near Richmond Road on Mt. Tolmie until noon.
The collision happened at 3:30 a.m. and one of the two vehicles hit a hydro pole, causing lines to come down.
Police say one of the drivers was arrested and charged with impaired operation of a motor vehicle and driving while over 0.08.
A passenger was taken to the hospital by ambulance for minor injuries.
Crews are on the scene to fix the grid and B.C. Hyrdo says nearly 190 customers in the area are without power.
The estimated time for power to be restored is 11 a.m.
Saanich police are asking travellers to avoid the area and say Richmond Road is open to traffic.