Vector and the Auckland Energy Consumer Trust (AECT) launched the Future of Energy campaign on Friday at Otara's Rongomai School, where kids and Energy Minister Simon Bridges turned on New Zealand's first Tesla Powerwall battery.

The battery is charged using energy generated by solar panels and will provide electricity when the sun goes down.

"We now have an amazing opportunity to genuinely teach the kids and school community about the broader principles of sustainability and the role technology plays," said class teacher, Nicholas Pattison.