2 Geothermal Advantages Disadvantages: Low cost InexhaustibleNo environmental impactPumps can store heat for later use.Disadvantages:Source is close to volcanic activity.Some plants use lots of water – creating water pollution.Supply could change.Cannot be transported.High start up cost.
4 BIOMASS Advantages Produces less harmful greenhouse gases. Can be sustainable.Can be used for different purposes.Disadvantages:Takes a lot of space.Not entirely clean.ExpensiveNot easily transported.
10 Oil Advantages A small amount can produce a lot of energy. Easy to transport and produce.Constant power source and it’s reliable.Disadvantages:Creates greenhouse gases.PollutionNonrenewableIncrease in violence.
14 Nuclear power Advantages Does not emit CO2 pollutants Continuously generates electricity.Disadvantages:Expensive to start and maintain power plants.Safety concerns.Waste that remains toxic for many years.Non-renewable