The given pie chart illustrate the comparison of usage of energy by average household, between the year 1995 and 2015 in Australia.
Overall heating equipments are considered to be as highest source of energy consumption. Whereas, cooling and lighting appliances have minimal fluctuation between two decades.
Initially, heating appliances covered 40% in 1995, which is the majority mode of usage. Moreover, water heating was more than a quarter with 30% in 1995. On top of that, refrigeration covered 10%, which have one of the least contribution along with lighting and other appliances who also have deployed for 10% each 1995.
On the other hand, heating in 2015 deducted by 10% and reached to 30%. Furthermore, water heating stucked to a total quarter of pie chart by 25%. Moving forward, lighting remained same for two decades itself. It is worthy to mention that, other appliances increased by 10% in 2015, In contrast to the year 1995, Additionally, refrigeration increased by half of what it was in 1995. From 10% to 15% in 2015.