Energy is delivered to households, businesses, industry and other sectors via an Energy Supply Chain. The energy supply chain is split into two major supply components, an electricity supply chain and a natural gas supply chain.
The electricity supply chain involves electricity generation from power stations, a supply network to transport power to customers and electricity retailers who sell packaged network transmission and distribution services.
The electricity supply network consists of 884,000 kilometres of wires and circuits and 9.68 million electricity connections that enable the transmission and distribution of electricity nationwide.
The electricity supplied to your home is generated from a number of sources. In 2006/07 the total amount of electricity generated for consumption was 226,600 GWh derived from the following sources: