Mighty River Power says the driest summer in at least five years will affect its full-year result as it cuts back on generating power from its Waikato River dams.

Solid Energy is in crisis, with a Government bailout almost inevitable, mine closures possible and further job cuts likely in another restructure to try to salvage it.

Twice in the past decade, Solid Energy has enjoyed revenue close to $1 billion, and aside from last year has returned some healthy profits - and dividends for the Government.

Solid Energy, the state-owned coal miner whose chief executive quit this month, is in talks with its banks because of its deteriorating financial position.

Contact Energy says it's "not fixated" on the number of redundancies it will make but is still on track to shed 10 per cent of staff.

Economic modelling based on ethanol, which has its limitations as a fuel, may underestimate the potential yields and value added, writes Brian Fallow.

Fallout from the Mainzeal receivership is hitting listed lines company, Horizon Energy.

Don Elder has resigned as chief executive of troubled coal company Solid Energy, effective immediately.

This year is shaping up to be a very busy one for new sharemarket listings...

The government's drive for new investment in oil and gas development in New Zealand has suffered another blow.

Meridian Energy is considering the sale of its 50 per cent stake in the A$1 billion Macarthur wind farm in Australia.

The whole Middle Eastern business is a red herring, because the US does not depend heavily on Middle Eastern oil, writes Gwynne Dyer.

New Zealand's ministers and officials have been given a new set of rules outlining how they can talk about listed companies.

Natasha King has already written her own obituary. Although it was only part of a management course run by her employer, Meridian Energy.

Power bills have jumped more than $100 this year, latest figures show - but Auckland households can expect some reprieve next year.

Having a middleman able to absorb the criticism and stay immune to the moral and emotional elements of the Pike tragedy makes sense politically, writes Gerard Morris.