Solar energy is a primary energy source.
Primary energy refers to energy resources that exist in nature in their original form without processing or conversion, also called natural energy, including fossil fuels, nuclear fuels and l Biomass energy, water energy. , wind energy, solar energy, geothermal energy, ocean energy, tidal energy, etc.
Primary energy is divided into renewable energy and non-renewable energy. The first refers to natural energy that can be produced repeatedly, such as solar energy, wind energy, hydropower, biomass energy, etc. the latter cannot be produced repeatedly, mainly all kinds of fossil fuels and nuclear fuels.
Secondary energy
Secondary energy refers tothe energy obtained after processing and conversion of primary energy, including electric energy, gasoline, diesel, liquefied petroleum gas and hydrogen energy. No matter how many times the primary energy is converted into another energy, it is collectively called secondary energy.