Hydroelectric

Question 1

Describe the Process

Answer 1

• A dam is built creating a reservoir which traps water behind dam
• Release water to turn turbines
• Turbine turns generator

Question 2

What are the Advantages of Hydroelectric Energy?

Answer 2

• Reliable
• Quick start up time
• 0 global warming
• Renewable

Question 3

What are the Disadvantages of Hydroelectric Energy?

Answer 3

• Very expensive to build and takes a long time
• Causes the valley to flood which affects local towns and villages as well as wildlife
• Only suitable in mountains or July areas

Question 4

What is the Cost of Hydroelectric Energy?

Answer 4

• Very expensive to build

* 0 fuel cost

Question 5

What does Hydroelectric mean?

Answer 5

Using the kinetic energy of falling water