A power cut could be due to a widespread outage, or a localised fault at your place.
The first thing to do is to contact either your network company below or ring us on 0800 496 496, 24 hours a day to report your power outage.
Taranaki, Manawatu, Wanganui and Wairarapa
Powerco (external link) - outage page (external link) - Report faults to Meridian - 0800 496 496
Other?
Is your region not shown? check our outages page.