An Alpine Fault earthquake could cut the West Coast from the main grid for many weeks.

If you have a heart attack outside hospital in the future, you could be saved by a drone.

Mercury Energy raised its 2017 earnings guidance for a third time.

Rex Tillerson said the US record on climate change is unparalleled. Is he right?

Home heating should be seen as a system including insulation, ventilation and adding heat.

Trump is expected to ignore Elon Musk's advice to stick with the Paris Accord.

The Electricity Authority says 6170 homes have been disconnected in the last few months.

The Regional Council is remaining staunch on proposed oil and gas prohibition.

Bill English will pick up another title when he visits Samoa this week.

Central heating is almost non-existent in NZ, whereas the majority of UK houses have it.

A warm home is vital for staying healthy, here are three tips to help that happen

Ordinary Australians are putting their money into a surprising new asset.

Genesis Energy has agreed to but the LPG business of Todd Corp's Nova Energy for $192m.

COMMENT: More renewables, winter energy subsidy feature in party's electricity policy.

Pike River families say they are being shut out of plans to re-enter the coal mine.

The kingdom prepares to sell Saudi Aramco and ease its economic reliance on oil.

The Green Party's new energy policy has been cautiously welcomed by business groups.

Heavy rain in Waikato catchment has lifted the company's hydro generation.

New Zealand was a decade behind countries like the UK.

Oil jumped as the US missile attack against Syria roiled global financial markets.

Cathay Pacific has taken a stake in a company producing bio fuel out of city waste.

The quest for commercial-scale aviation biofuel is proving to be a long haul journey.

This year distributions are down on last year - Made with funding from NZ On Air.

Contact Energy is enticing customers off Fly Buys with 50 cents a litre off fuel.

KCEPT will keep its shares in King Country Energy - Made with funding from NZ On Air.

Will he save coal? Will he doom the planet? Does the US care?

COMMENT: The Shareholders' Association is on the warpath.

COMMENT: Report points to a big change in the way we use the land.

Energy Minister Judith Collins expects oil and gas exploration activity will return.

NZ's economic growth is "approaching its environmental limits", a once-a-decade environmental report card says.