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.

Almost one in five New Zealanders who oppose the partial sale of Mighty River Power intend buying shares in the company anyway.

Labour and its leader David Shearer have had a boost in support in the latest Herald-DigiPoll survey - but it appears to have come at the expense of its potential coalition allies.

More than 400,000 people have pre-registered their interest in buying Mighty River Power shares before the process closes at 5pm on Friday.

Shares in Mighty River Power are likely to cost between $2.36 and $2.75, according to estimates based on a raft of pre-marketing research reports released by major broking firms.

A flurry of last-minute pre-registrations for Mighty River Power shares is expected ahead of the Friday close-off.

Editorial: Two recent events ought to have injected some urgency into the quest for cleaner, fairer and better use of New Zealand's most valuable resource, water.

Since the 1980s, too, successive Governments have become increasingly high-handed, and ideologically driven, writes Anne Salmond.

The record number of pre-registrations for Mighty River Power shares shows there is strong appetite for well-structured businesses, says one fund manager.

Government ministers urged Solid Energy to take on more debt and to pay bigger dividends despite company warnings that falling coal prices threatened profitability.

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.

Labour Leader David Shearer says the fact someone was able to pre-register for Mighty River shares in his name shows how "shonky" the sales process is.

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

The frenzy of preregistration for the Mighty River Power float spoke volumes about the mood of stock market investors. Bernard Hickey gives his view.

Ads for the Mighty River Power sale came on to our TV screens this week and viewers could have been forgiven for thinking they were placed by an opposition political party.

Mighty River Power has admitted its $250 million investment in geothermal exploration in Chile could come to nothing, but believes it is worth the risk given Chile's massive geothermal resources and energy demands.

Mighty River Power needs to promote loyalty bonus scheme...

In one stroke, Mighty River Power has made a mockery of Parliament's annual financial review mechanism,.

Four days after pre-registrations opened on Tuesday, 229,615 New Zealanders had joined the queue for Mighty River shares by late yesterday.

The Government's confirmation that Mighty River Power is finally on the block has spurred a rash of activity among brokers.

Geothermal is the ultimate renewable energy source - and one reason why Mighty River Power is kicking off the government's asset sales. Energy reporter Grant Bradley visits the company's brand-new plant

Mighty River Power chairwoman Joan Withers has defended the decision to raise the company's dividend policy.

Mighty River's directors are receiving additional fees of $1200 for each day they spend working to prepare the company for its sale, it was revealed today.