Geothermal heating way of future
Using the Earth's core to heat a home may seem impossible, but a Queenstown heating engineer says it is possible and has been for more than 60 years.
Energy
Clark shrugs off power crisis fears
Meridian boss says power cuts close
The chief of one of the country's biggest electricity groups says the danger of power cuts this winter is closer than at any time he can remember.
Concern over generation capacity
The country's reserve power plant, only to be used in times of power shortages, was activated last week - in the middle of summer - as questions remain over electricity supplies.