Transformers are used to step up the voltage before feeding the electricity into the National Grid.The turbines are connected to generators which are spun to generate electricity.The steam rises past turbines and causes them to spin.Fossil fuel is burnt to boil water and turn it into steam.
Using fossil fuels to produce electricity A very small amount is produced from oil (under 1%).
Most of the UK's electricity is produced by burning fossil fuels, mainly natural gas (30% in 2015) and coal (23%). Fossil fuelsįossil fuels are a chemical store of energy and include coil, oil and natural gas. For example, the nuclear energy within 1 kg of uranium contains a very large amount of energy, but the gravitational potential energy stored by many thousands of tonnes of water held back by a dam contains less. There are different energy resources in the world and the amount of energy stored by them varies greatly.
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