An independent review is underway into the power outages that affected thousands of people across Perth, Baldivis and Mandurah during the Christmas period.
Michelle Shepherd, a Commissioner at the Australian Energy Market Commission, will lead the six-week review.
The review will examine why the outages happened, Western Power's planning and preventative measures taken in preparation for Christmas and its restoration response.
A report with key findings and recommendations will be given to the Energy Minister by Monday March 14, 2022.
"I'm pleased that Michelle Shepherd has accepted to lead this review, which will assess Western Power's operational response to the Christmas power outages compared to industry best practice," Energy Minister Bill Johnston said.
"It's understandable how frustrating it was for the tens of thousands of customers that didn't have power during the very hot Christmas holidays.
"I look forward to reviewing the report in the coming months, before commenting further."
During the peak of the power outages on Boxing Day, triggered by the four-day heatwave, around 34,000 households and businesses were without power.
Some of the most impacted areas were Baldivis, Dawesville, Clarkson, Mindarie, South Yunderup, Roleystone, Kelmscott and Bouvard.
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