Western Power says about 300 homes and businesses in Mullewa lost power during a storm overnight.
Services are expected to be restored by mid-morning.
Western Power crews are now bracing for a second cold front later today or into the evening.
If anyone sees fallen powerlines, they are urged to contact Western Power.
© ABC 2013
17:37 EDT Much of western New South Wales has begun a heat wave, reaching at least five degrees above average for at least five days, averaging a maximum of 35 degrees or more.