Warren Buffett says there is another $15 billion ready to spend on building wind and solar power in the US.

An oil company manager has been ordered to pay $71,000 to his former employer after he downloaded hundreds of thousands of company documents before leaving to work at a competitor.

Germany has rejected genetically modified crops, nuclear power and magnetic levitation trains. Now, the country is adding fracking to the list of innovations it's wary of.

The Greens are open to negotiating offsetting subsidies to emissions-intensive, trade-exposed firms whose survival might be threatened by their proposed carbon tax.

Meridian Energy's Wellington head office continues to win awards for its green credentials nearly seven years after it was completed.

Fracking should not be banned in NZ, Parliament's environmental watchdog says in a landmark report, but the industry is poorly regulated and guidelines must be updated.

The responses of a community group and a leading technology business to the Canterbury earthquakes have won them a government-backed award.

Entrants in the annual EECA Awards being presented tomorrow can claim credit for energy savings equivalent to the annual power use of two Hamilton-sized cities.

Auckland-based Gentrack says it plans to raise up to $101.8 million through an initial public offer.

An Auckland lawyer is warning about solar panel issues, saying house buyers and sellers could fall into a trap if they don't know who owns them.

Despite environmental concerns, the technology that revolutionised the energy industry is spreading all over the world.

Prices and who controls them is already an issue for this year's election, writes Fran O'Sullivan. The "market rules OK?" is not the kind of slogan that opposition parties are chanting.

A power company is offering the chance to pay all household costs in one bill - but consumer groups warn the convenience may come at a cost.

The Government will today announce energy-efficiency plans it says will improve business productivity and reduce carbon emissions while saving money.

A New Zealand-based biotech firm with links to Barack Obama's re-election campaign manager is moving to North America.

Z Energy is banking on biodiesel users paying a premium for the fuel it plans to produce at an Auckland plant using animal fat.

Z Energy plans to spend $21 million on a biodiesel plant in Auckland using fat from the meat industry.

Five research reports into the value of Genesis Energy shares have been released by the NZX this morning. Read them all here.

New Zealand-founded bio-fuels innovator LanzaTech has attracted US$60 million in its latest capital-raising round,

The Treasury would have liked more "Mum and Dad" small investors to have bought shares in electricity generators Mighty River Power and Meridian Energy.

The government will sell 49 per cent of Genesis Energy after feedback from institutions and brokers gave it confidence it didn't need to reduce the size of the selldown.

Genesis Energy chief executive Albert Brantley, speaking at the launch of the Genesis Energy offer, complained about the company being labelled the "ugly duckling".