Shares in Mighty River Power and Meridian Energy have been coming off the boil, but there are few obvious reasons for a recent slump in their stock prices.

It's day one at Meridian Energy's new offices in the freshly built Quad 5 building at Auckland Airport, and staff are celebrating with cake.

Refiners are poised to make gasoline at a record pace, keeping the US crude glut from overflowing storage.

Mark Lister says the Crown got $1.8b for selling a Meridian stake now worth more than $3.2b.

Sixteen Meridian Energy staff have left Mt Wellington offices for a new building at Auckland International Airport.

Power companies have successfully pushed back against a move to provide people with more information about why prices go up.

New Zealand shares fell, led by Fonterra Shareholders' Fund, after the world's biggest dairy exporter lowered its guidance for dividends

Listed companies release their financial results to investors biannually, in a period informally known as the reporting season.

Many electronic and miscellaneous objects are never fully turned "off," and thus consume power all the time.

New Zealand shares rose yesterday, paced by Fletcher Building, as investors were drawn to firms that have under-performed the benchmark index.

Known for their oil fields, refineries, and petrol stations, BP, Royal Dutch Shell and Total are also the world's biggest oil traders.

Solid Energy says it is solvent, but only just, and will need a new deal from its bankers to survive.

Transport Minister Simon Bridges wants to increase the use of electric and hybrid cars in new Zealand

A growing consensus is emerging from the likes of BP, the International Energy Agency, shale wildcatters and even the Saudis.

Expect a little bit of love from your power company this year but they're not betting on it being requited.

NZ shares rose to a fresh record yesterday, paced by Mighty River Power, Meridian Energy and Genesis Energy as investors mulled possible lower interest rates across the Tasman.

The electricity sector has attracted a lot of attention in the past couple of weeks, both in the business pages and within the investment community itself.

Japan's push to keep power flowing after it shuttered its nuclear program may best be illustrated by 73 million light bulbs.

It has been a big week for the sharemarket as the reporting season continues and stocks make big price moves.

In the midst of the price swoon, many executives and workers remain confident the oil-sands industry will pull through.

Mighty River Power's $69 million writedown on two failed geothermal developments overseas is a lesson for Contact Energy, says an analyst.