Geothermal power plants have their own drawbacks as well. Prime sites are often far away from population centres which means that there are losses of electricity between the plant and the customers. Drilling into heated rock is a difficult process and once complete there must be constant management to ensure that the source is not overused [1] .  [1] Siegel,R.P. ‘Geothermal Energy: Pros and Cons’, Triple Pundits 15 June 12