Electricity prices could rise 40 to 50 per cent, adjusting for inflation, because of the Government's ban on gas-fired power stations and its target for 90 per cent renewable power.
A report by the Centre for Advanced Engineering says the Energy Strategy will suppress demand for gas for electricity-generation by about a third.
It will also slow exploration and development of more gasfields, and mean a loss of flexibility and security of power supply.
Read the full story in the Dominion Post.