Power is delivered nationwide on a cable system known as the national grid. Power companies can then purchase power from the national grid and successfully deliver it to their customers. Using other Forms of Energy Other forms of energy used in New Zealand include thermal energy and natural gas. Numerous power plants using thermal energy, natural gas, oil and coal are also owned by the government and power is delivered via the national grid. Other organisations, private businesses and power companies may also own power plants that generate electricity for their own use.
Most power sockets accept only three-pin, flat plugs.