New Zealand Oil & Gas, the exploration company, turned in a loss in its first half after the global drop in oil prices.

Meridian Energy, which generates about 30 per cent of the country's electricity, lifted first-half earnings 21 per cent.

Contact Energy could be heading for a showdown with minority shareholders over what to do with a $1 billion pot of cash.

New Zealand shares fell yesterday, led by Contact Energy after it flagged plans to invest offshore. Genesis Energy and Meridian Energy declined as enthusiasm for the sector cooled.

Contact Energy shares have fallen nearly 9 per cent today after reporting a plunge in half-year profits.

New Zealand Oil & Gas is fulfilling analysts' predictions that falling oil prices would prompt mergers and acquisitions by mounting a full takeover bid for Cue Energy, just two months after....

The CBOE Crude Oil Volatility Index climbed to 63.14 on February 5, the highest level in almost six years.

New Zealand shares rose yesterday, heading back towards a record high after a two-day slide.

Meridian Energy is replacing two of its transformers at its Manapouri power station after finding a fault with cooling units.

New Zealand shares fell for a second day as the kiwi dollar's slide to a four-year low sapped overseas investor appetite for high-yielding stocks.

New Zealand shares rose to a new record close yesterday as holidays in Auckland and Australia kept trading volumes light.

Mighty River Power and Meridian Energy will keep the price they charge for electricity on hold this year for the third year in a row.

Oil bulls finally caught a break as prices capped their first weekly advance since November.

Oil advanced after the International Energy Agency lowered forecasts for supplies from outside Opec and an industry report showed US companies had reduced drilling activity.

Hydro lake levels are falling and wholesale power prices rising as drought threatens in parts of the country.

Mighty River Power and the Tuwharetoa Maori Trust Board have signed a deal over water in Lake Taupo, the terms of which the electricity generator says are confidential.

Kim Campbell has organised a meeting this afternoon to discuss strategies to soften up Aucklanders for the sale of the remaining shares in lines company Vector to pay for new roads.

Winston Peters writes: There is a group of people who want to get rid of the Auckland Energy Consumer Trust. But why fix what isn't broken?

Pulse Energy reported a net loss of $9.99 million, or 2.9 cents per share, in the six months ended September 30.

Geothermal has pipped gas generation for the first time as more plants come on stream.

Biofuel developer LanzaTech's coffers have been bolstered with a US$60 million ($78.5 million) cash injection from the New Zealand Superannuation Fund.

Power companies' margins on retail electricity tariffs are unsustainably high, says a new report on listed NZ electricity stocks.