More than 300 people in Mount Maunganui have been without power since early this morning.
According to Powerco's website there was an unexpected powercut in the Omanu/Mount Maunganui area at 6.31am.
The company's network operations manager Phil Marsh said about 850 customers were affected.
He said it was caused by a fault at Omanu, the cause of which was still being affected.
Power was gradually being returned as each section of the affected area was cleared.