Frequently Asked Questions

What is Electric Power Transmission?

Electric power transmission is the bulk transfer of electrical energy, a process in the delivery of electricity to consumers.

A power transmission network typically connects power plants to multiple substations near a populated area.

Please see for more information.

What is the National Grid?

The National Grid is the nationwide system of electric power transmission in New Zealand. The grid is owned and operated by Transpower New Zealand Limited, a State owned enterprise.

Go to for more information.


What is a Windfarm?

A wind farm is a group of wind turbines in the same location used for the production of electric power. See to find out more.

What is a Wind Turbine?

A wind turbine is a rotating machine that converts the kinetic energy in wind into mechanical energy. Go to for more information.