On more than one occasion you will have heard that clean energies are essential that we must promote to combat climate change, but do you know what are these energies? are they the same as renewable energies? In today's post we give you the answers!
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Are renewable energy and clean energy the same thing?
Renewable energies are considered to be those that, instead of using fossil fuels, have an inexhaustible natural resource as their source of energy that can be renewed unlimitedly, such as sun, wind, water or biomass. Thus, when, on the contrary, we find a type of energy that uses fossil fuels, we are dealing with what are called non-renewable energies.
Renewable energies are also fundamentally characterized by their cleanliness, since they do not generate any kind of negative impact on the environment or any type of pollutant emission. For this reason, although most renewable energies are also clean energies , being considered green energies . But this is not always the case!, since there are energies that are renewable but are not clean, such as nuclear energy .
In short, although the concepts of renewable energy and clean energy usually go hand in hand, they do not mean the same thing. renewable energies can be polluting, but clean energies or green energies are not.
What are renewable and clean energies?
There are various types of renewable energies that are in turn clean energies: solar, wind, hydroelectric, geothermal and bioenergy. Each one of them uses a energy source and a different technology, and next we are going to see some of its main characteristics:
Solar energy
One of the most famous renewable and clean energies for being frequently used for self-consumption is solar energy that is obtained from the sun's radiation.
Depending on the technology used to generate energy, we find photovoltaic solar energy (for solar installations) to generate electricity or solar thermal energy (by solar collectors) to generate heat.
The advantage of solar energy over other types of renewable and clean energy is that it can be used anywhere on the planet. Although of course, there will be countries that can have it to a greater extent than others.
Read more: What is solar energy and how to get the most out of it
Wind power
Another renewable energy or clean energy that we can find is wind energy . This type of energy is perhaps the most widely used in the world, and it is obtained from the currents of air that causes the wind.
To obtain wind energy, wind turbines located on land or in the sea (where the wind is usually more frequent and stable) are used, whose blades are moved by the kinetic energy of the wind.
Hydraulic or hydroelectric power
The electrical energy that is obtained from the movement of water is another of the renewable energies or clean energies. It is called hydraulic energy or hydroelectric energy.
To obtain this type of energy, turbines driven by the force of water pressure from currents, tides or waterfalls are used.
Geothermal energy
Another type of energy is geothermal energy obtained from the heat generated inside the earth's crust .
Bioenergetic energy
And although within renewable energy we find bioenergetics or energy from biomass, in this case it is not a type of clean energy. It is a type of energy obtained from organic waste from animals, plants or trees that during its process generates what is known as biogas.
Advantages of renewable energies
Although the main advantage of renewable energies that are also clean energies is that
So, if there is any drawback of renewable energy perhaps it is its dependence on the arbitrariness of nature and its atmospheric phenomena . But equally, its contribution to reducing the use of fossil fuels that pollute the environment, is a compelling reason to equally bet for this type of sustainable energy.
And now that you know what renewable energy and clean energy are, and what are some of their main advantages, you can now enjoy energy in a sustainable way and taking care of the planet! !
