Power prices will continue the rapid rise revealed by the Herald on Sunday, officials have warned the Government.

Mighty River Power needs to promote loyalty bonus scheme...

The carbon fibre Solar Impulse plane has the wingspan of a 747 but only weighs as much a Honda Prius.

Geothermal is the ultimate renewable energy source - and one reason why Mighty River Power is kicking off the government's asset sales. Energy reporter Grant Bradley visits the company's brand-new plant

Maybe you've done a backflip or two in your time, but were you ever driving a Mini Cooper at the time?

Mighty River Power says the driest summer in at least five years will affect its full-year result as it cuts back on generating power from its Waikato River dams.

Contact Energy - New Zealand's biggest listed electricity company - plans to cut more than 100 jobs as part of a $40 million cost saving drive.

New Zealanders should band together to demand the cheaper power prices offered to big industrial consumers, an industry expert says.

Kiwi power prices have increased at twice the rate of most other countries over the past three decades.

Backpacks on mussels? Researchers at the University of Iowa attached wireless sensor packages to Mississippi river mussels that measure how open their shells are.

Electricity retailer Mercury Energy has announced its first across the board price cuts in a decade.

Meridian Energy is considering the sale of its 50 per cent stake in the A$1 billion Macarthur wind farm in Australia.

Power bills have jumped more than $100 this year, latest figures show - but Auckland households can expect some reprieve next year.