Advantages and Disadvantages of different energy sources ... Source of energy Advantages Disadvantages Advantages Disadvantages ... Solar energy does ...
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Advantages and Disadvantages of different energy sources Non-renewable energy Source of energy
Coal
Gas & Oil
Renewable energy
Advantages
Disadvantages
Coal is a relatively cheap form of energy. There are still several places where coal can be found in the UK and the rest of the world. Coal is easily transported to power stations.
Supplies of coal will run out in about 100 years. When burned, coal releases lots of greenhouse gases. Coal is dug up from big holes (mines) in the ground which can be dangerous and affect the countryside.
Oil and natural gas are found in lots of places around the world. Oil and gas can be easily transported by pipes or ships. Natural gas is the “cleanest” of the fossil fuels, releasing half the greenhouse gases of coal.
Supplies of oil and gas are running outand once they are gone, they are gone forever. Working on oil and gas rigs can be dangerous for people (explosions, fires etc) and the environment (oil spills). Burning oil and gas releases pollution which increases global warming.
Nuclear fuel does not create greenhouse gases when making energy .
Supplies of nuclear fuel will run out in 50 years.
Only a very small amount of nuclear fuel is needed to make a lot of energy.
Advantages Energy from the sun is free. Solar energy does not create greenhouse gases.
Solar power stations are expensive to build at the moment. Only certain places are right for solar power. Solar energy cannot be made at night.
Wind power does not create greenhouse gases. The energy used to build one of the large turbines is repaid in 3-6 months. They last for 25 years. Wind turbines are very safe.
We need a lot of turbines to make electricity. Not everyone likes the look of wind turbines. Wind turbines can only be used where it is windy. On days where there is little wind, less energy will be made.
Hydroelectricity creates no greenhouse gases. Energy from water is free and will not run out. Hydroelectric energy is more reliable than wind or solar power.
Hydroelectric power needs enough water to turn the turbines. Dams are expensive to build. Building large dams can cause damage to water courses which affects people and wildlife and it can be difficult to find the right site. Small dams for local buildings on weirs do not have these problems.
Biomass fuel is cheap and could use rubbish that we might otherwise throw away. Biomass fuels will not run out. Biomass crops that are grown absorb the same amount of pollution whilst they are growing as they release when they are burned, so do not create extra greenhouse gases in the atmosphere.
Growing biomass crops needs a lot of space and could replace growing valuable food crops. Biomass fuels that are not grown (such as waste products) create greenhouse gases when burned.
Wind
Hydroelectric
portant m i ac tivit y
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Can you think of any other advantages or disadvantages for any of the types of fuel we use to make energy? Have a go at thinking about the advantages and disadvantages for the other forms of renewable energy listed below. You will find more information about these in Chapter 5. Geothermal energy (energy from heat in the ground). Tidal and wave energy (energy from the movement of the water in the sea).
Disadvantages
Solar
The waste produced from nuclear energy is radioactive and very dangerous for a long time. We currently have no secure long term storage arrangements in place.
