Competition between the major energy retailers has driven the installation of more than 1 million smart meters in homes and businesses across the country.
The Electricity Authority says the large take-up of smart meters comes despite the move not being mandated in this country, like it is in many others.
Source:
http://smartgrid.testing-blog.com/2014/01/29/more-than-1-million-smart-meters-installed-in-nz/#more-36490