The New Zealand division of ExxonMobil narrowed its 2015 loss even as revenue dropped 15 per cent.

Helen Twose talks to three winners of this year's EECA Awards for energy efficiency.

Prices have been moving up recently and they augur higher prices at the pump for consumers.

King Country Energy has warned the Electricity Authority's planned overhaul of grid charges will increase prices.

Z Energy is confident of the savings it can make from the $785m acquisition of Chevron's Caltex and Challenge! chains.

Homes in west Auckland are without power after a car hit a transformer.

Energy Minister Simon Bridges says the abundance of renewable electricity has made New Zealand complacent about energy productivity.

Z Energy is about to open the country's first commercial scale biofuels plant in a bid to become part of the emissions solution.

A trust that helps sport to spread the energy saving message has won the top honours at the EECA Awards.

COMMENT: The Royal Society has called for urgent action in NZ on carbon emissions. But the transition to renewable energy won't be quick or easy.

The company said earnings had been impacted by the settlement of its dispute with Customs.

The former state owned enterprise will soon be known as Mercury.

COMMENT: If we have the natural resources like wind, rain, sun and underground heat that can produce renewable electricity, we should harness it in the best way possible, writes Sam Judd.

New Zealand shares fell as demand dried up ahead of a Reserve Bank update, with Meridian Energy and Vector hit hardest.

New Zealand shares were mixed. The NZX 50 Index reached a record high but more companies fell.

Z Energy will get back $9.5 million of the amount it paid last year to settle a dispute with New Zealand Customs.

Leafy suburbs like Parnell might be seen as Auckland's elite neighbourhoods but more affordable areas have the upper hand in something, it seems.

Electric vehicles are far more useful to New Zealand for reducing carbon emissions than rooftop solar power, says a new study

New Zealand could become a major exporter of gas to Asia, Energy and Resources minister Simon Bridges says.

NZ Aluminium Smelters will go to the Supreme Court in a bid to overturn earlier decisions on the payment for statutory holidays that fell on a weekend.

WATCH: On the latest extra episode of The Economy Hub, guest panelists Bernard Doyle and Aaron Quintal discuss markets rebound.

Julian Kardos, managing director of Electric Kiwi, talks five things every Kiwi should know about electricity.

An expert from Norway says if New Zealand is serious about getting motorists into electric cars the government needs to act.

A meeting of oil producers to discuss a global pact on freezing production is unlikely to take place in Russia on March 20, inside sources say.

Even if Saudi Arabia wins its struggle with US shale producers over market share, it will face a new billion-barrel adversary.

It could soon be easier on the environment to have a shower or use the toilet in Auckland.