The policy is part of a wider package Labour will reveal tomorrow.

Vector is to repay $13.9m to Aucklanders who paid too much for their electricity.

Big power companies fail to impress customers a Consumer NZ survey finds.

"Moment of truth" as NZ cops depart Solomon Islands after 14 years of peacekeeping.

Vector beat rivals to supply an Australian firm with battery storage technology

Mark Binns steered Meridian Energy from state-owned enterprise to NZX heavyweight.

Silent, slow-slip earthquakes could offer stress relief for under-pressure fault zones.

Celebrities, scientists, doctors and businesspeople join a new push for climate action.

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

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.

Low inflows of water into the South Island's hydro lakes are expected to knock Contact.

Oil's rebound ran out of steam as investors focus on production OPEC can do nothing about.

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

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.

Legal action by Forest & Bird has prompted a U-turn over the proposed Te Kuha coal mine.

New Zealand Oil & Gas says there are potential partners for a deepwater Barque prospect.

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.