Transpower predicted power demand could hit a new record this morning - and asked generators to crank up supply.
On Tuesday, the national grid operator asked for additional generation on the basis of a forecast cold snap and lower than expected wind. It held a further conference with industry yesterday afternoon.
Just over a year ago, Transpower's poor coordination and communication was blamed for 34 thousand households being left without power on the coldest night of the year.
So - has demand surged this morning and is supply adequate? Susie speaks with Chief Executive of Transpower Alison Andrews