Big questions are being asked today about the viability of our energy system with high prices causing some big businesses to turn off production.
And the Associate Energy Minister Shane Jones is threatening the Government could intervene.
He has issued a broadside at the big four generator-retailers - saying they are focussed on profiteering over the wider benefits of secure energy.
Simon Mackenzie is chief executive of the country's biggest electricity distributor - Auckland lines company Vector.
Paddy speaks to Roger Sutton, a former chief executive of two different South Island lines companies, now with industry consultancy Deta (DEETA).