Energy retailer Nova is making the move into the telecommunications space.

Generator says dry year could hammer unwary retailers.

Call for urgent action as findings show more heat stored than previously thought.

High pump prices prompted consumers to use less and to shop around more for discounts.

Economy Hub: How long will pain at the pump last and what will it mean for the economy?

Sick of waiting for the Government, business has decided on its own greenhouse gas policy.

Switch suggestion follows "unpredictable market conditions".

It's better that dogs have emptied their bladders before they die. Less mess.

The Electricity Authority says the market is behaving as expected.

Jacinda Ardern said she can guarantee no other regional fuel taxes while she is PM.

A court ruling issued today could mean council reserves are better protected from mining.

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

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

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

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

Methane must be tackled along with CO2 and N2O, climate scientist Dr Jim Salinger says.

COMMENT: Ending exploration licences will destroy revenue and jobs.

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

With the market tipping near its Everest, many investors are wondering whether to sell.