Energy

Greenpeace says the smelter's closure could have led to lower electricity prices, but South Port says there's widespread relief over the 20-year deal.

Higher electricity prices are necessary to fund investment in the electricity network, says commissioner Vhari McWha.

Electricity - how do we generate it, how does it get from a hydrostation to our kettles, and where is the technology heading? Audio

Genesis said the joint venture's "intervention" efforts had been unable to produce sufficient flow to sustain operation of the well because of reservoir pressure level and liquid inflows.

One KiwiSaver manager is both topping the table, with an annual return of 150.4 percent in one fund, and a huge loss in another. What's going on?

Power generator Manawa Energy says it has delivered a solid first full-year result

The electricity provider had been looking to build a new plant near Taupō but costs have spiralled.

With power grid capacity in Waikato approaching its limit, new ways to add resilience are needed, Transpower says.

Analysis - Power should be subsidised for struggling households, Jodi Gardner writes.

The national grid operator had to turn circuits off as a precaution as thousands flocked to see the phenomenon. Audio

An "extreme" geomagnetic storm is affecting Earth at present.

Friday's power supply alert shows the need for a more resilient energy supply system, a biofuels advocate says.

Analysis - A combination of consumer and business conservation measures and cranked up power stations met demand, Gyles Beckford writes.