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

Methven has admitted nine breaches of the Fair Trading Act for misleading consumers about water savings from its showers.

NZ oil and gas exploration will get a substantial boost in government resources, including funding to chase deep-sea methane hydrates that have yet to be commercially exploited anywhere in the world.

Petrol prices are falling at Australian pumps - but oil companies in NZ say motorists shouldn't expect the same here.

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.

Telecom shares fell 6 per cent after it missed out on being named for priority talks in the Government's $1.5b ultra-fast broadband plan.