Hydroelectric and tidal power

Question 1

Pros and cons of hydroelectrical energy

Answer 1

• Pros:
• Renewable energy source
• Higher electricity demands can be met by increasing water flow
• Cons:
• Expensive up-front cost
• Can flood land upstream

Question 2

Pros and cons of tidal energy

Answer 2

• Pros:
• Renewable energy source
• Predictable energy generation
• Cons:
• Expensive to set up
• Hard to meet energy demand