Global demand for solar panels is expected to hit a three-year high this year and a local company says falling prices are set to spark "explosive growth in solar energy"".

Texan oil giant Anadarko's environmental credentials and the future of its New Zealand offshore exploration programme are being questioned as the company faces a US toxic site cleanup and compensation claim which could reach US$14 billion ($16.9 billion).

Greenpeace has opened its case against the Environmental Protection Agency and Texan oil giant Anadarko in the High Court at Wellington.

Indigestion triggered by the size of the Govt's power company floats and investors wanting to take profits are being blamed for a fall in NZ's benchmark index.

Government efforts to entice major global oil and gas producers to New Zealand has borne fruit, with Norway's state-owned Statoil and Australian heavyweight Woodside Petroleum winning exploration licences in the latest permit awards.

NZ lighting technology has saved the Countdown supermarket chain's owner almost $500,000 a year in energy costs in two of its buildings.

Investors who took up shares in newly listed Mighty River Power and Meridian will take little comfort from PwC's latest report on the electricity sector.

The Environmental Protection Agency is confident of defending their decision to allow off-shore oil drilling in the Taranaki basin, Prime Minister John Key said today.

The offshore protest against Anadarko's deep sea oil exploration will come to an end today as Greenpeace takes the battle to court.

Deep sea exploration oil drilling off the Waikato coast by Texas-based oil company Anadarko began early today.

Jack Johnson isn’t your typical rock star – he breaks the mould in terms of how the well-off behave.

The Government, fresh from the sale of shares in Mighty River Power and Meridian Energy, faces a harder sell when it comes to divesting a 49 per cent stake in the third and final power generator.

The Auckland Council has approved oil exploration permits off the city's West Coast in a submission to the Government.

Two University of Auckland professors whose technology stands to change the world have won this year's Prime Minister's Science Prize.

Meridian Energy's instalment receipts have continued to hold firm, helped by buying interest from Bank of New York Mellon Corp, through its London-based subsidiary, Newton Investment.