What are disadvantages to tidal power?

Answer 1

It can only be used successfully in a few places round the world, where a large bay or estuary is so shaped (like Canada's Bay of Fundy) that a huge amount of water rushes through a narrow opening when tides rise and fall.

There are some substantial issues associated with generating power through tides.

• The impact on local marine life
• the concept is still in the experimental stages
• If enough power is harness from Tides, a slowing of our annual orbit around the sun will occur causing as much as a 24 hour change every 2000 years.

Answer 2

The negative aspects are:

• Tidal power will work best where there is a large bay with a narrow outlet to the sea, so the water moves very quickly through a small opening.
• There are not many good locations round the world for this to happen.
• Tidal power only works when the tide is coming in or out, that is about four times every day. It doesn't run continuously like hydro-electric power.

Answer 3

Some disadvantages of tidal power include high installation and maintenance costs, limited availability of suitable sites for tidal power plants, potential disruption to marine ecosystems and wildlife, and vulnerability to extreme weather events and natural disasters.

Answer 4

They do not produce pollution or harmful emissions, but building a tidal power station can damage the ecosystem of tidal areas

Answer 5

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