How much power

These figures come from a survey of energy bills conducted by the Australian Bureau of Statistics and research scientist Monica Oliphant..  Source

Electricity used for everything including water heating, heating and cooking.

Number of people in the home Electricity (kWh per year)
One 4,900 - 6,600
Two 6,600 - 8,800
Three 7,600 - 10,100
Four 8,700 - 11,200
Five 12,200 - 16,300
Six or more 11,600 - 15,500
Average 6,500 - 8,700

 

Gas used for hot water, heating and cooking

Number of people in the home Electricity (kWh per year) Mains gas (MJ per year)
One 2,300 - 3,100 17,900 - 23,900
Two 3,300 - 4,400 27,000 - 36,000
Three 4,200 - 5,600 34,400 - 45,900
Four 5,000 - 6,600 40,000 - 53,000
Five 6,000 - 8,000 46,300 - 62,000
Six or more 4,300 - 5,800 41,000 - 52,600
Average 3,800 - 5,100 30,600 - 41,000

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Mixture of electricity and gas used for hot water, heating and cooking

Number of people in the home Electricity (kWh per year) Mains gas (MJ per year)
One 2,800 - 3,700 10,900 - 14,500
Two 4,500 - 6,000 16,200 - 21,600
Three 5,200 - 7,000 19,000 - 25,100
Four 6,100 - 8,200 23,000 - 30,700
Five 7,500 - 10,000 25,000 - 33,000
Six or more 7,500 - 10,000 25,200 - 33,600
Average 4,650 - 6,200 16,800 - 22,500