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

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.

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.

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.

Mighty River Power, the first of the state-owned power companies to be partially privatised last year, will quit its geothermal investments in Chile and Germany, while sticking with its interests in....

Mighty River Power chairwoman Joan Withers talks to Henri Eliot on corporate governance.

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

New Zealand Carbon Farming, the country's largest supplier of post-1989 bulk carbon credits, is suing Mighty River Power for $34.7 million.

New Zealand shares fell yesterday, paced by Meridian Energy, Contact Energy and Mighty River Power as some investors looked to crystallise recent gains.

If I were running Mercury, I'd regard people like myself as perfect customers, writes Brian Rudman.

Police are eyeing money from the sale of three houses owned by a couple accused of defrauding NZX-listed Mighty River Power.

The New Zealand share market pushed higher to a new record high at midday today. Here are four reasons why.

The New Zealand share market has continued its record-breaking run, with the NZX50 Index hitting its highest ever point.

October was a crazy month for financial markets.

Mighty River Power, the first of the state-owned power companies to be partially privatised last year, will pay a special dividend to shareholders after the latest board review of its capital....

Check out a snapshot of some of the stellar performers on the New Zealand sharemarket this year, as it surged ahead breaking new records.

A former Mighty River Power engineer accused of $2 million fraud at the company has pleaded not guilty this morning.

Investors in Genesis Energy, Mighty River Power and Meridian Energy were more than $600 million richer on paper at one point yesterday after their shares were boosted by National's decisive victory.

Shares in Mighty River Power have finally rallied over their issue price after trading substantially below it for most of the company’s life.

Investors in listed power companies appear to be betting the National Party will retain the government benches at Saturday's general election.

A couple charged with defrauding Mighty River Power of $2 million bought a $1.4 million Auckland property the month before the energy company started an investigation.

NZX-listed Mighty River Power has been caught up in an alleged $2 million employee husband-and-wife fraud.

Cost savings have helped Mighty River Power boost profit by 84 per cent and pay a dividend slightly above expectations.

Analysts have mixed views on the outlook for the upcoming earnings season as some of NZ's biggest and most widely held firms prepare to report their annual results.