Thousands of New Zealanders had their power cut off last night on one of the coldest nights of the year.
It wasn't a power cut, but a deliberate rolling blackout to manage electricity demand which had reached an all-time high.
Energy Minister Megan Woods will be meeting with Transpower and the Electricity Authority this morning for a please explain.
Oil and Gas lobby group Energy Resources Aotearoa says outages shows the the supply gap between electricty producers and users has become a gulf.
Chief executive John Carnegie spoke to Corin Dann.
