Sankey diagrams

These diagrams are a way of looking at the input and output of energy for a power station – or indeed any type of machine.

Coal fired power station


Nuclear power station (AGR)



Internal combustion engine (petrol)


Internal combustion engine (diesel)


Human body



Note:
A very useful site for the study of energy use and resources is:

http://europa.eu.int/comm/europeaid/projects/tacis/publications/tdp/energy/learn_about_en ergy.pdf