The Labour-Greens' proposal for the electricity industry should be the start of a consumer-led revolution, writes Chris Barton.

Nick McDonald on a few things to consider before investing in Mighty River shares.

Today we launch part one of our latest video series - a beginner's guide to investing in the sharemarket.

The past few years have seen some successful floats in New Zealand - notably Summerset, Trade Me and the Fonterra Shareholders' Fund.

The airline industry is on a roll and Air New Zealand is a major beneficiary of the improved outlook.

Check out the fourth and final video in our latest series - a beginner's guide to investing in shares.

Today we launch part three of our latest video series, a beginner's guide to investing in shares. How do I choose which companies to invest in? What does it mean to have a diversified portfolio? And who looks after my shares?

New Zealand's leading business lobby groups say the Labour Party and the Greens have "ambushed" businesses with their controversial electricity policy which they claim sets a "disturbing precedent" for further intervention.

Editorial: When the Government confirmed its mixed-ownership model strategy, it was taken for granted that Air New Zealand would be the tail-end Charlie.

Keep Our Assets protesters at the National Party's Mainland Region conference say their mock toll booth was so well-received it may be used again.

The Labour-Greens' proposal has created a major dilemma for potential Mighty River Power investors - should they invest in a company that could be subject to major regulatory change, including a dramatic adjustment to its business model?

If Meridian Energy had already floated, it's a fair bet that its share price would have dropped after the Opposition unveiled its electricity policy a week ago.

A broking firm says a 10 per cent reduction in power prices could be achieved in the current electricity market - meaning the Labour-Greens proposal is unnecessary.

Both opposition parties will be hoping enough potential investors turn off the pending float so they can declare it a disaster, writes Fran O'Sullivan.

Mighty River Power expects it would take at least five years for the Labour and Green party's new electricity policies to be enacted, and John Key says it won't happen.

Investors who applied for Mighty River Power shares have been given a deadline to withdraw their applications if concerned about the Labour-Greens' power policy plans.

As Rio Tinto and Meridian Energy haggle over the price of power for the Tiwai Pt aluminium smelter, optimism about the metal's future has faded.

Labour's proposed shake-up of the energy sector could slash up to 20 per cent off the value of Mighty River Power although analysts rate the chances of the Opposition's plan going ahead at less than 50 per cent.

Political commentators have been quick to point out that New Zealand voters now have a real choice, writes Liam Dann. Sometimes it seems we have two poor choices.

Matt McCarten looks at the plans of Labour and the Greens to set up an electricity agency, NZ Power, if they are elected next year.

John Key's partial privatisation programme was dealt a major blow this week when the Labour Party announced proposals to regulate the industry, writes Brian Gaynor.

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.