Former Prime Minister Dame Jenny Shipley's lawyer says she will vigorously defend legal action she is facing from the liquidators of collapsed property group Mainzeal.

Powerco, the energy lines company, reported a 20 per cent drop in annual profit as it paid more tax.

Could Chevron New Zealand's offloading of its NZ Refining shares be a sign of things to come?

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.

New Zealand shares rose yesterday, paced by SkyCity Entertainment Group and Meridian Energy as investors mulled a possible rate cut.

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

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.

Z Energy says work has slowed on its $20 million biodiesel plant but it will be finished in the next nine months.

The West Coast mining industry has been dealt a heavy blow today, with 113 jobs to go at Solid Energy's Stockton mine.

Z Energy posted a 10 per cent increase in full-year operating earnings, as fuel and refining margins improved and the service station chain sold more fuel.

Job losses on the West Coast have been foreshadowed ahead of meeting between Solid Energy managers and workers at the Stockton Mine tomorrow.

Vector has formed a partnership with Tesla to bring its revolutionary home and business batteries to New Zealand.

King Country Energy, the biggest electricity retailer in the region, is pushing ahead with plans to move its listing to the NZX from the Unlisted platform, saying new rules could force the Unlisted....

China Steel Corp has green-lighted Kiwi-founded LanzaTech's first commercial plant.

Trustpower shareholder Tauranga Energy Consumer Trust has sold 20 million shares in the power company for $154.8 million.

The shale oil boom that pushed US crude production to the highest level in four decades is grinding to a halt.

Shares in Mighty River Power and Meridian Energy have been coming off the boil, but there are few obvious reasons for a recent slump in their stock prices.

It's day one at Meridian Energy's new offices in the freshly built Quad 5 building at Auckland Airport, and staff are celebrating with cake.

Refiners are poised to make gasoline at a record pace, keeping the US crude glut from overflowing storage.

Mark Lister says the Crown got $1.8b for selling a Meridian stake now worth more than $3.2b.

Sixteen Meridian Energy staff have left Mt Wellington offices for a new building at Auckland International Airport.