Consumption pattern of energy shows the percentage use of different sources (solar energy, wind energy, geo thermal energy, bio gas and tidal power). The consumption pattern of energy changes over time.
Commercial sources of energy: Commercial energy makes up about 65% of the total energy consumed in India. It includes coal with the largest share of 55%, followed by oil at 31%, natural gas at 11% and hydro energy at 3%.
Non commercial sources of energy: It consist of fire wood, cow dung and agriculture waste account for more than 30% of total energy consumption. The sectoral pattern of consumption of commercial energy shows that from 1953-54 to 1996-97, share of household sector increased from 1% to 9%; share of industrial sector from 40% to 42% and share of transport sector decreased from 44% to 22% and others increased from 5% to 15%.