The two pie charts compare the energy utilization on an everage household in Australia for different purposes in 1995 and 2015.
Overall, heating received the largest share of energy consumption on both year, whereas lighting, refrigeration, and usage of other appliances share the smallest proportion in 1995 while lighting recorded the lowest ratio in 2015.
In 1995, heating was accounted for 40%, followed by water heating at 30%, while lighting, refrigeration and usage of other appliances recorded similar percentage at 10%.
In 2015, heating declined at 30%, but still becoming the largest energy consumption, while water heating dropped by 5%. Other appliances utilization grew to 20% and refrigeration increased to 15% share and lighting remained at 10%.
In summary, heating was the major energy used by most household, followed by a slight increased in water heating. Lighting remained unchanged, while refrigeration and usage of other appliances increased modestly over the period.
