A helicopter is being used to restore power to homes in Parikino near Whanganui.
More than 3000 Whanganui homes lost power on Monday night due to a sudden dumping of rain and 80km/h wind speeds.
The power has remained out for 25 homes in Parakino since 7.45pm on Monday after trees in a forestry plantation fell on the lines.
Field crews were forced to stop working on repairing the lines as darkness and windy conditions made it too dangerous to continue.