United States oil futures in New York slid to the lowest in 12 years as turmoil in China's markets pushes crude closer to US$30 ($45) a barrel.

Former Contact Energy director Phil Pryke is an Australian prawn fisherman-turned-hippie, who washed up here in the mid-1970. Pattrick Smellie writes that he has never been far from controversy since.

Low oil prices plunged further, falling as low as $34.26 per barrel for Brent crude, a global benchmark.

Rokkasho reprocessing complex in a northeast corner of Japan's main island of Honshu is raising speculation.

Iran will raise its oil exports by 500,000 barrels a day within a week after the removal of international sanctions.

Wind and solar power appear set for a record-breaking year in 2016 as a clean-energy construction boom gains momentum.

Fraser Whineray talks big opportunities to tackle climate change with renewable electricity.

Oil is headed for its biggest two-year loss on record as an expansion in U.S. crude stockpiles exacerbated a global glut.

For an industry that already was pushing its cost-cutting efforts to the limits, the new declines are a devastating blow.

The Court of Appeal has dismissed an appeal by New Zealand Carbon Farming against a decision in favour of Mighty River Power over a $34.7 million liability.

Fuel company Z says it has built New Zealand's first commercial-scale biodiesel plant, at Wiri, for $26 million.

Henri Eliot talks to professional directors Mark Verbiest, Tony Carter, Doug McKay and Rob Campbell about their focal points in 2016.

Genesis Energy named AGL Energy executive Marc England as chief executive, replacing Albert Brantley who leaves after seven years

Mike Bennetts has driven Z Energy since its inception and this year has been a particularly strong one for shareholders.

Contact Energy's stock price slumped as the power firm failed to meet market forecasts amid tough competition and higher than expected costs related to bad debt and the separation from Origin Energy.

For Berliner Anke Seemann, Germany's energy transformation is the chance to exercise her green conscience.

Contact Energy looked to be nailing health and safety.

A cartoon circulating on Twitter carries a warning for the oil industry.

One of the architects of the world's biggest sovereign wealth fund says pension plans face increasingly complex decisions over responsible investment, particularly in energy.

An employee who took customer details to start a competing gas supply business has been ordered to pay millions in damages.

Vector has launched the first rapid electric vehicle chargers in downtown Auckland.

Executive Mark Binns says a new wind farm is one of the options on the table if Meridian can't convince Genesis to keep open two electricity plants.

Infratil, the investment company managed by Wellington-based investment bank Morrison & Co, posted a 14 percent gain in first-half pretax earnings.

A mission to Ceres, a dwarf planet 257 million miles from the Sun and the size of Texas, may cost about $27 billion.

Vector has sold its New Zealand gas business to global utilities investment fund First State.

The way electricity lines companies charge for their services is all wrong and needs to change if we are to take advantage of emerging technologies, the Electricity Authority says.

Tauranga-based Trustpower will pay $5 a share in cash in a full takeover offer for King Country Energy, provided it gets at least 70.2 percent of the company.

NZOG declared today a 34.7 percent increase in "developed reserves" at the Kupe oil and gas field.

Electricity usage spiked during Sunday's Rugby World Cup semifinal.