Meridian Energy may have to adjust some turbines at the country's biggest wind farm because of the power of "Formula One" type winds.

Soaring wholesale power prices last week have prompted complaints from 14 organisations, including ASB bank, Telecom, Vodafone and the owner of the Marsden Point oil refinery.

Customers will be paid a weekly bonus in bid to keep electricity retailers in check

Hundreds of thousands of households have been charged the higher rate of GST for goods supplied before the GST rise took place.

A $840,000 Whangaparaoa house is selling electricity back to the national grid, generating $127.75 in its first two months.