Mass power outage causes passenger chaos at Perth Airport

A mass power outage at Perth Airport has triggered chaos for passengers.

Travellers were warned to expect delays after the airport cancelled all outbound services scheduled to depart before 7.30pm (9.30pm AEST).

"All inbound flights currently in the air will be able to arrive safely," Perth Airport said.

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"All scheduled flights into Perth which have not yet departed will be delayed until further notice.

"The safety of everyone who works in or is travelling through our airport remains our highest priority.

"We apologise to passengers and customers for any inconvenience."

The cause is believed to be a power pole impacted by the severe weather.

Western Power said it was working to resolve the issue.

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In the meantime, Perth Airport has generators to supply some light.

The incident affected baggage drop-off as well as most of the baggage carousels.

9News understands travellers in one plane on the tarmac were waiting to leave for more than an hour.

The incident also affected the air bridges, which delayed some passengers disembarking from their flights.

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One traveller told 9News he got to the airport and the doors were shut.

"No one can do anything," he said.

Another traveller said "we don't know what we're doing".

"We don't know if we're meant to be back in a hotel or finding somewhere to stay," he said.