Power has been restored in the Whanganui suburb of Putiki after a powerline went down on Wikitoria Road on Wednesday morning.
Power was cut around 7.30am on Wednesday, affecting 578 properties in the area.
Power was subsequently restored to the majority of those properties, with 143 properties still affected by the cut as of 9am. Power was eventually restored to all properties by 1pm.
It is understood a number of traffic lights across Whanganui were also without power on Wednesday morning. It is not known if this outage was related.