How the ocean can be used as an alternative source of energy?

How the ocean can be used as an alternative source of energy?

The ocean can produce two types of energy: thermal energy from the sun’s heat, and mechanical energy from the tides and waves. Oceans cover more than 70% of Earth’s surface, making them the world’s largest solar collectors. Ocean thermal energy is used for many applications, including electricity generation.

How do we use ocean energy?

The movement of the ocean’s waves, tides, and currents carries energy that can be harnessed and converted into electricity to power homes, buildings, and cities.

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Is Ocean Energy conventional or nonconventional?

Natural resources like wind, tides, solar, biomass, etc generate energy which is known as “Non-conventional resources“. These are pollution free and hence we can use these to produce a clean form of energy without any wastage.

How are non conventional energy sources used?


  1. 2.1 Solar energy. Solar energy is the most readily available and free source of energy since prehistoric times.
  2. 2.2 Wind energy. Wind energy is basically harnessing of wind power to produce electricity.
  3. 2.3 Bio energy.
  4. 2.4 Hydro energy.
  5. 2.5 Ocean energy.
  6. 2.6 Energy from Wastes.

What is needed for ocean energy?

The ocean covers more than 70% of the earth’s surface and has the ability to produce two types of energy: thermal energy from the sun’s heat, and mechanical energy from the waves and tides.

What is source of energy in deep ocean?

Most of the sulfur comes from the Earth’s interior; a small portion (less than 15 percent) is produced by chemical reaction of the sulfate (SO4) present in the sea water. Thus, the energy source that sustains this deep-ocean ecosystem is not sunlight but rather the energy from chemical reaction (chemosynthesis).

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What are the advantages of energy from ocean?

They have several significant advantages over other renewable energy sources:

  • Predictable and reliable.
  • Global: Tidal streams and ocean currents are available on all continents.
  • Energy-rich: Moving water is 832 times denser than moving air, creating conditions for efficient energy conversion.

What are the disadvantages of conventional energy sources?

Pollution: The major disadvantage of these conventional sources is that they cause high pollution. The burning of firewood and fossil fuels result in air pollution. This can be avoided by using these non-conventional sources.

Is nuclear energy non conventional?

Nuclear energy is one of the most environmentally friendly conventional sources of energy as it produces fewer greenhouse gas emissions during the production of electricity in comparison to sources like coal power plants. Also, the nuclear waste that remains is radioactive and hazardous.

What do you mean by non conventional energy?

Renewable energy sources also called non-conventional energy, are sources that are continu- ously replenished by natural processes. For example, solar energy, wind energy, bio-energy – bio-fuels grown sustain ably), hydropower etc., are some of the examples of renewable energy.

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What is the advantage of non conventional energy source?

Below are some advantages of non-conventional sources of energy: These sources of energy are environmentally friendly. They are inexhaustible. They are easy to operate.

Are there any problems with ocean energy?

These machines disturb the seafloor, change the habitat of near-shore creatures (like crabs and starfish) and create noise that disturbs the sea life around them. There is also a danger of toxic chemicals that are used on wave energy platforms spilling and polluting the water near them.