The two pie charts that has given illustrate the head to head analysis of various types of power usages in the UK in 2000 and 2010.
Overall, the majority consume coal and gas as equally and remains almost the same in two years.
The pie chart for 2000 clearly shows that a significant portion of energy consumption is coal at 30% and 29.5% for gas respectively. In this pool of power consumption coal and gas is quite identical almost a third in 2010.
On the other side of the coin, given pie charts demonstrates the usage of solar become nearly douled from 6.5% to 10% in the span of 10 years. It is quite relavent that utilizing the petrol as a source of energy decreases by 9% in 2010. However, other source of power which is being used for a very small of amount that is 5%, whereas, it climbs at 9% in 2010.
