BP New Zealand generated its smallest earnings in more than a decade due to falling oil prices.

The Commerce Commission has indicated a timeframe on when it expects to make a decision the acquisition.

The NZ-founded carbon recycling company is shifting into commercialisation from its previous development phase.

Rising power bills are driving down satisfaction with big energy retailers, a Consumer New Zealand survey has found.

Blenheim-based power company Marlborough Lines has bought an 80pc stake in Yealands Wine Group for $89 million.

A decision on the future of Tiwai Point's massive electricity contract, due today - has been delayed by a month.

Genesis Energy, the country's biggest energy retailer, will permanently retire a coal/gas-fired unit at the Huntly Power Station.

More than half a billion dollars has been wiped off the value of NZX-listed electricity firms today.

Aucklanders are being warned they could face fines of up to $10,000 and daily penalties for not keeping their trees and other vegetation away from power lines.

Auckland households could face an increase of 4.5 per cent in their power bills under changes the Electricity Authority is considering.

The Electricity Authority has published a series of proposals on more efficient ways to charge for the national grid.

Mining giant Rio Tinto has pulled its support for any expansion of Kakadu's Ranger uranium mine after its operator put the project on ice.

Despite speculation about its future in NZ, Origin Energy says it's committed to its investment in Contact Energy.

A few things you can do to make your lithium-ion batteries last longer, whether in an electric car or a smartphone.

The boss of a Z Energy rival says its planned acquisition of Caltex operator Chevron NZ could impact competition in the fuel market.

Vector says a potential buyer has expressed interest in its gas transmission business.

The sale of Caltex is another example of the exodus of multi-national oil companies from the New Zealand market.

Contact Energy shares jumped more than 14 per cent after announcing it will increase returns to shareholders.

Is the Govt really getting double the amount of dividends from its sold down power companies?

Producer input and output prices fell in the first quarter, reflecting lower fuel costs and weakness in prices of meat and dairy products.

Infrastructure investor Infratil says it'll be taking a more wary approach to potential new acquisitions.

New Zealand shares rose yesterday, paced by Genesis Energy, Contact Energy and Mighty River Power in a relief rally as Meridian Energy's instalment came due.

As video streaming services surge in popularity, Kiwis are consuming far more internet data than ever before.

Foreign Minister Murray McCully has taken Shane Jones, David Shearer and Winston Peters with him for his trip to the Cook Islands, where he is holding talks.

Vector chief executive Simon Mackenzie believes Tesla's new batteries will help transform the energy sector.

The ramifications of a further 113 job losses at Stockton will reverberate right down the West Coast and all the way to the Port of Lyttelton, MP Damien O'Connor says.

Solid Energy did all it could to avoid job cuts on the West Coast but the coal market made it too difficult, Bill English says.