Power has been restored to more than 1000 properties after two separate car crashes in Auckland plunged homes and businesses into darkness.

A Vector spokeswoman said a car collided into a power pole in the southeast Auckland suburb of Whitford around 5pm yesterday.

She said within a minute of this crash a car in Mt Albert also ploughed into a power pole there.

The earlier crash saw some 537 households without power, while the one in Mt Albert affected about 1000 households.

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According to the Vector website repairs were completed overnight.

Earlier a spokeswoman said the work was expected to finish by 1am with houses put progressively back on the grid throughout the early morning.