Basic chemistry

Renewable Energy Definition Sources and Examples

Renewable Energy

renewable energy definition
renewable energy

Renewable Energy definition is the energy that nature constitutes or reconstitutes more quickly than man uses them. They can thus be considered as inexhaustible on the scale of human time.

Advantages Over Fossil Fuels:

In contrast, energy sources whose renewal is slower than their consumption, such as oil today, do not fall into the category. They are qualified as fossil fuels.

Another advantage of renewable energies over these fossil fuels: is their carbon-free nature. Indeed, renewable energy does not produce carbon dioxide (CO2) and its development can help us in the fight against global warming by reducing emissions of greenhouse gas emissions.

On the other hand, the energy power of renewable energies is relatively scattered. These energies can be intermittent. This is the case for solar and wind power. Storage solutions, not always obvious, must then be found.

The hydraulic energy of large dams is still today the first of the renewable energies.

Different types of Renewable Energy Examples:

There are two main natural sources:

The Sun and the Earth:

Solar energy (thermal, thermodynamic, or photovoltaic) is inexhaustible on a human time scale, as well as energy derived from it:

  • The wind power: understand, that energy from the wind is a result of temperature zones and pressure variables;
  • Hydraulic energy, the result of the water cycle;
  • The biomass produced by photosynthesis ;
  • Part of marine energies;

The internal geodynamics of the Earth, for its part, provides us with heat produced internally and which can be recovered at the surface (geothermal energy, or geothermal energy).

Finally, the phenomenon of gravity assures us of the production of tidal energy.

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