The Government said it would file a supplementary disclosure to the Mighty River Power share offer to take into account possible additional risks to investors that electricity reform under a Labour/Greens government could pose.

As Mighty River Power's boss prepares the State-owned company for sale, he has slated the new Labour-Green electricity policy as "socialist".

Bernard Hickey asks: Did the electricity industry think it could get away with generating super profits from a network monopoly forever without a political reaction?

Labour says its plan to bring down power prices is affordable despite losing out on state-owned power company dividends.

Uncertainty created by the Labour Party and Greens' plans for the electricity market helped drive the share prices of the main NZX-listed power generators sharply down yesterday.

Millions of dollars of NZers' savings have been wiped after Labour and the Greens announced plans to reform the wholesale electricity market, the Government says.

Humankind can be divided into two categories: those who understand the complexities of the wholesale electricity market and those who do not, writes John Armstrong.

Editorial: Labour proposes to set up a single buyer, NZ Power, to purchase all electricity generation at what it deems a fair price, based on the actual cost of production.

Electricity prices were a conspicuous exception to the subdued inflation numbers reported yesterday.

New Zealand could face power shortages this winter unless the hydro lakes get a significant boost soon.

Mighty River Power has warned would-be investors of a long-term drop in electricity prices which would hit the value of its shares should the Tiwai Point aluminium smelter close.

The Government has set a price range of $2.35 to $2.80 per share for the partial privatisation of Mighty River Power.

Almost 180 Christchurch landowners have chosen not to accept the Crown offers on their red-zoned properties.

When people like the PM talk of an orderly transition to a post-smelter environment, they are talking about the scrapping of generating capacity, writes Brian Fallow.

New Zealand's largest solar installation has been put on top of the refurbished Shed 10 on Auckland's waterfront.

Angry Christchurch red zone property owners are launching a legal battle to force Gerry Brownlee to change his mind over compensation, but he says it is "wishful thinking".

Auckland Museum is being touted as a green example for other city organisations after it succeeded in slashing its carbon footprint by 30 per cent in just two years.

The Tiwai Pt power price stoush will probably have a small negative effect on the price of Mighty River - but it's not a showstopper say sharemarket analysts.

The Government has opened discussions with Tiwai Point aluminium smelter's ultimate owners Rio Tinto in a bid to broker a deal after talks between the smelter and Meridian Energy reportedly broke down.

Tiwai Pt aluminium smelter's owners have contradicted a report from Meridian, saying they think a power deal can be agreed on.

Potential investors in Mighty River Power, Genesis Energy and Meridian will be exposed to the financial impacts caused by any new charges linked to water or geothermal use and land resumption.

Editorial: If anything useful has been learned from the Labour Party's pursuit of Solid Energy, it is that there are severe limits to the present Government's asset sales.

More than 350 young people have signed on as building apprentices since a $2000 bonus became available last Wednesday for the first 10,000 apprentices who sign up.

The 68 boxes carried onto Parliament's forecourt this afternoon contained 393,000 signatures. It is thought to be the biggest ever petition in support of a citizen's initiated referendum.

The Government will push ahead with asset sales regardless of a referendum on the issue, Finance Minister Bill English says.