Dunedin residents are angry after they lost power for eight hours a week earlier than expected - saying the power company's attitude to the mistake was 'cavalier'.

He spent 18 months without power after his electricity supplier refused to reconnect him after a storm. Now he's won an out-of-court settlement - and an apology.

Pakistan has been plunged into darkness after the breakdown of a key power transmission line in the southern part of the country.

Isis' vaunted exercise in state-building appears to be crumbling as living conditions deteriorate across the territories under its control.

The heartbroken mother of a man who died in a car crash while power lines prevented his rescue says she lies awake at night visualising his painful death.

Mighty River Power, the first of the state-owned power companies to be partially privatised last year, will quit its geothermal investments in Chile and Germany, while sticking with its interests in....

An electrical engineer tasked with cutting power to a crash site where a man lay trapped inside his car, surrounded by power lines, did not call an operations centre for help despite being unable to find a substation for about an hour.

Pulse Energy reported a net loss of $9.99 million, or 2.9 cents per share, in the six months ended September 30.

Geothermal has pipped gas generation for the first time as more plants come on stream.

Power companies' margins on retail electricity tariffs are unsustainably high, says a new report on listed NZ electricity stocks.

New Zealand Carbon Farming, the country's largest supplier of post-1989 bulk carbon credits, is suing Mighty River Power for $34.7 million.

New Zealand producer input prices fell in the third quarter as lower farmgate milk prices reduced input costs for dairy manufacturers.

Power has now been restored to thousands of Auckland homes after an outage earlier this evening left them in the dark as stormy weather batters the city.

If I were running Mercury, I'd regard people like myself as perfect customers, writes Brian Rudman.

Call me a Luddite, but I don't want a "smart" electricity meter installed at home, and certainly not without my knowledge or consent.

Google, Yahoo and Microsoft are part of a growing number of firms that are entering into power purchase agreements with wind farms.

A city-wide blackout left Dunedin streets in the dark for half an hour last night, as concerns are raised about the reliability of the city's street lighting.

I am the household manager - in part, because the other half isn't interested in assuming the role and in part because I like to know what's going on.

Power cuts are a part of life and Aucklanders should get used to it, says Vector chairman Michael Stiassny.

Vector says compensation from this month's power cuts - which affected 85,000 customers - won't be discussed until the cause of the fire that sparked them was known.

Power companies face a ban on so-called "save" calls, where they ring a customer departing for a rival and try to entice them back with a better offer.

Homeowners who install solar panels to cut their power bills are pushing up prices for everyone else, lines companies say.

Up to 80 per cent of Auckland electricity customers have signed contracts that allow their hot water to be cut off - but many were unaware until the blackouts.