A car has crashed on Te Teko Rd near Edgecumbe, leaving 863 properties in the surrounding area without power.
A police media spokeswoman said the car, which had four occupants, hit a power pole and police were alerted at 1.14pm.
The four occupants were able to exit the vehicle and were treated for minor injuries.
She said a power pole wire was exposed and power contractors were working on fixing the issue.