There are still 75,000 homes without power across Perth this morning.
Western Power reports the network was extensively damaged in yesterday's storms and at it's peak more than 158,000 properties lost supply.
The supplier expects a large number of customers to be without power again this evening with fewer numbers to remain off for several days.
The supplier's transmission network has sustained significant damage and more power won't be restored until at least 10.30am. Western Power expects electricity to bulk transmission sites to be restored by 3pm.
The largest area blacked out is around Canning Vale.
"Lightning struck the sub station yard causing a pole to fall over on to vital equipment cutting power to six major lines," a spokesman said.
In Canning Vale there are 17,000 customers without power this morning.
In Wanneroo 9000 customers lost power at 3am after a lightning strike.
There has been widespread damage to major powerlines across the metropolitan area, including major hits to Southern River, Kalamunda, North Beach, Mullaloo, Welshpool, Bentley and Lansdale.
Western Power also reports that five feeder lines are out to the north of Perth, mostly around Moora and affecting 700 customers.
Four lines are off in the South-West affecting 1000 customers, it said.
Today work will continue on the low voltage network which brings power from major powerlines into people's homes. Western Power reports significant damage to this part of the electricity network also, which will take several days to repair.
Western Power received 75,000 calls yesterday and has asking customers to refrain from contacting its 13 13 51 fault line. Only those who are reporting hazards or emergencies, like powerlines down, should ring this number.
Yesterday's storms produced a direct lightning strike to the utility's North Perth sub station, damaging a transformer and cutting power to 7000 homes in nearby suburbs.
Western Power recorded 350 hazard incidents including many downed power lines, trees in lines and poles struck by cars.
In the aftermath 107 street wires were brought down, along with 150 service lines which connecting individual homes to the network.Western Power urges people to stay away from any fallen power lines or poles. Touching live lines can be fatal.
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