​Primary energy

​Primary energy consists of unconverted or original fuels.

Energy that we take on the first moment, and you don't need to convert

-nuclear energy

-fossil energy, like oil, coal and natural gas

​​Secondary energy

​Secondary energy includes resources that have been converted or stored

-coal

-biomass

-flowing water, wind, and solar radiation.

​Witch energy do we use in Catalonia?

​As we can see, the most used energy source in catalonia is nuclear energy.

Renewable energies are not a big important energy source, and as we can see, most part of this renewable energy source come from oil, gas, and nuclear energy.

​Witch energy do we produce in catalonia?

​As we can see, nuclear energy is the main produced energy, with almost 60% of the energy. Renewable energies are also important, with the wind and hydroelectric energy as a main producers.