Power stations fuelled by fossil fuels or nuclear fuels are reliable sources of energy. This means they can provide power whenever it is needed. However, their start-up times vary according to the ...

Discover the differences between renewable and non-renewable energy. How is electricity generated? Find out how power stations generate electricity from different energy sources, and how the ...

Renewable energy sources are plentiful and all around us. Fossil fuels - coal, oil and gas - on the other hand, are non-renewable resources that take hundreds of millions of years to form.