Some pros include: • It is an efficient energy source:
Cons:
• it only takes a small amount of water to create electricity • It is a reliable energy source • The water that passes through the generator goes
• Hydropower may cause several environmental problems. • Although they burn no fuel damming rivers may
back into the stream with little impact on the
permanently alter water habitats. For example, fish
environment
may no longer swim upstreams
• Once it is installed it has little or no cost
3