The efficient transmission of electricity on the national grid plays a vital role in the well-being of New Zealand, its people and the environment.
The national grid is the high voltage transmission network that carries electricity around the country. It is made up of over 12,000 kilometres of high-voltage transmission lines and more than 165 substations. It connects power stations to substations that feed local electricity distribution networks.
The Government developed a national policy statement to acknowledge the national significance of the national grid and to ensure there is balanced consideration of the national benefits and the local effects of electricity transmission. Previously, there was no national framework that local government could use when they decided on proposals for transmission lines.