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The Sun. Most of the energy we capture for use on Earth originates in the nuclear reactions powering our Sun. Coal, oil, natural gas, biomass, and even the wind and hydropower we harness to generate electricity, originally derive their energy content from the Sun. Learn how our local star is the ultimate energy source.ost of the energy we capture for use on Earth originates in the nuclear reactions powering our Sun. Coal, oil, natural gas, biomass, and even the wind and hydropower we harness to generate electricity, originally derive their energy content from the Sun.
We use renewable energy sources mainly to make. electricity. Electricity and hydrogen are different from the other energy sources because they. are secondary sources of energy. Secondary sources of energyâenergycarriersâ are used to store, move, and deliver energy in easily usable form. Wehave to use another energy source to make electricity or hydrogen. In the UnitedStates, coal is the number one energy source for generating electricity.