A review of bills suggested thousands are on low-user plans when they shouldn't be.

Te Papa summit to explore how high-tech innovation can fight climate change.

Oil may rise on international speculation this week.

Tilt Renewables begins months of planning before building Waverley Wind Farm

Genesis warns of 'exceptional' market challenges, issuing a warning to Government.

Expert questions if $10m light show on Auckland landmark is really powered by the sun.

New Zealand's energy performance is the best in the Asia-Pacific region

Genesis says an industry-wide approach could be the best way to help needy consumers.

Meridian says it wants to expose ''dirty secrets'' but Mercury says its price scheme best.

A bill to give effect to the controversial ban on now offshore exploration is now ready.

COMMENT: We are clearly experiencing management by an unwieldy committee, says Paul Glass.

The Greenpeace protest ship is spreading the message about climate change.

Karina Tipene heats up her house by cooking dinner late for her seven young grandchildren.

Distributors are not making "excessive profits", electricity pricing review finds.

Motorists' organisation questions ongoing petrol price rises.

They did it by boosting photosynthesis using a 'dormant' chemical found in algae.

A low-emissions economy for NZ is "challenging but achievable", commission's report finds.

COMMENT: Business is waking up to the need to reduce carbon emissions

Stiassny says trust is wasting money on a special meeting - he's going anyway.

The company has more than 100,000 gas customers.

Higher depreciation, and a generation revaluation have knocked net profit

The country's biggest energy retailer is blaming increased wholesale prices

The fuel company is diversifying into electricity as it faces a ''low carbon future''.

Renewable generator and retailer Meridian's profit up on record revenue

The sharemarket is poised for big Wednesday, with a slew of results due.

The timetable for offering new onshore exploration acreage appears to be slipping.

Industry insiders say the regions might bear the brunt of Auckland's fuel tax.

The energy company wants to give drivers a taste of EVs

Pitch to owners of marginal land - let us plant your land and split the profits.

Tighter focus on commercial and industrial business is part of its broader strategy.