Nearly 4000 households and businesses are currently without power in a number of southern suburbs due to an unplanned outage.
According to Western Power, about 3826 customers are affected in Singleton, Golden Bay, Lakelands, Madora Bay and Karnup.
The estimated restoration time is 5pm but it could be sooner.
There is also a small power outage in Secret Harbour affecting 95 customers.
The estimated restoration time is 3pm.
"Unplanned outages are an interruption to the transmission or distribution of electricity that is unscheduled," the Western Power website stated.
"We endeavour to resolve issues and minimise impact as soon as we can."
Baldivis Police on the lookout for reckless dirt bike riders
WATCH: Youths captured on CCTV stealing car in Golden Bay
Fire crews battle early morning blaze in Warnbro
Driver charged over alleged hit-and-run on Mandurah Terrace
More paramedics, ambulances to be stationed in Dawesville, Australind
Strict demersal fishing bans to come into force off WA coast to save species from extinction
Police call for witnesses to fatal Waroona crash
Teen injured in suspected hit-and-run in Mandurah