Increasing Energy Supply - Water
Geography: AQA GCSE, topic 6.4.6
Water (Hydroelectric Power)
Water high above the ground is a store of gravitational potential energy. Hydroelectric dams trap water and allowing it to fall rotates a turbine, which turns a generator.
Advantages
- Renewable.
- More reliable than wind and solar.
Disadvantages
- Hydroelectric dams often change the paths of rivers, which can move people out of houses and harm local wildlife.
Test yourself on Increasing Energy Supply - Water
Which of the following is an advantage of hydroelectric power?