Thousands of West Auckland homes were left without power for more than an hour earlier tonight.
A Transpower spokesperson said almost 17,000 houses in the Hobsonville, Hobsonville Point, Westgate and Riverhead areas were affected by the outage from around 7.34pm.
All power had been restored to households just before 9pm, with Vector distributing electricity to customers from other places.
An investigation into the cause of the outage is ongoing, the spokesperson said.
Vector said outages were reported in the areas from 7.34pm.
