Small power companies outperform bigger players when it comes to customer service, according to a Consumer NZ survey.

Wild weather is continuing to cause disruption across NZ, closing roads and causing power cuts.

Raging squalls shook houses and cut power to thousands yesterday in what forecasters called a 'lull' in the storm ravaging NZ.

Hundreds of North Island homes have been hit by power cuts as high winds continue to lash regions still reeling from the weekend's storm.

Energy-saving lightbulb maker survived tough times thanks to keeping a close eye on cashflow.

Powerco says around 3500 houses in the North Island without power should have the service restored by tonight.

Tests revealing faultlines along the proposed route of a hydro-electric tunnel on Canterbury's Waitaki River have sparked a redesign of the power project.

Services and infrastructure in Christchurch have been seriously affected by this morning's quake. Here is the current situation.

State owned energy company Genesis Energy has reported a better than forecast net profit after tax for the year of $69 million.