New Zealand shares were mixed. The NZX 50 Index reached a record high but more companies fell.

NZ Aluminium Smelters will go to the Supreme Court in a bid to overturn earlier decisions on the payment for statutory holidays that fell on a weekend.

All-renewables electricity generator and retailer Meridian Energy announced an 11 per cent fall in net profit after tax of $104 million for the six months ended December 31.

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.

The August corporate reporting season is now largely complete, aside from a few stragglers that have slightly different balance dates.

Meridian Energy shares closed up almost 3 per cent yesterday after the company delivered better-than-expected earnings and foreshadowed a long-term return of capital to shareholders.

Our biggest power generator, Meridian Energy, says power prices are likely to stay flat in the coming year.

Profits and earning are up at Meridian Energy. And shareholders are in line for a special dividend.

A revised contract between Meridian Energy and the owners of the Tiwai Pt aluminium smelter extends the smelter's operating life for at least another year from 2017.

Meridian Energy has joined with charity KidsCan to raise awareness of child poverty in NZ and help to provide food, clothing and basic healthcare.

New Zealand shares fell over uncertainty surrounding the future of the Tiwai Point smelter.

A decision on the future of Tiwai Point's massive electricity contract, due today - has been delayed by a month.

More than half a billion dollars has been wiped off the value of NZX-listed electricity firms today.

Next Wednesday all eyes will be on the owners of the Tiwai Pt aluminium smelter to see if they give Meridian Energy notice they wish to terminate their contract.

The Electricity Authority has published a series of proposals on more efficient ways to charge for the national grid.

New Zealand shares fell yesterday, as Contact Energy and Mighty River Power were sold by investors looking to crystallise recent gains.

Is the Govt really getting double the amount of dividends from its sold down power companies?

New Zealand shares rose yesterday, paced by Genesis Energy, Contact Energy and Mighty River Power in a relief rally as Meridian Energy's instalment came due.

It's day one at Meridian Energy's new offices in the freshly built Quad 5 building at Auckland Airport, and staff are celebrating with cake.

Mark Lister says the Crown got $1.8b for selling a Meridian stake now worth more than $3.2b.

Sixteen Meridian Energy staff have left Mt Wellington offices for a new building at Auckland International Airport.

New Zealand shares rose yesterday, paced by Fletcher Building, as investors were drawn to firms that have under-performed the benchmark index.

Expect a little bit of love from your power company this year but they're not betting on it being requited.

NZ shares rose to a fresh record yesterday, paced by Mighty River Power, Meridian Energy and Genesis Energy as investors mulled possible lower interest rates across the Tasman.

Meridian Energy has raised its dividend and says it intends to return $625 million of capital to shareholders over the next five years.

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

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.