Primary Energy Sources

March 12th, 2009 2 Comments   Posted in energy sources, primary energy

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The traditional way of classifying primary energy sources is as follows:
Fossil fuels:

  • Solid (coal, petroleum coke or petcoke)
  • Liquid (petroleum fuels, gas liquids and derivatives e.g. condensate, methanol, ethanol)
  • Gas (natural gas, LPG, hydrogen)

Nuclear fuels (uranium, plutonium)

Renewable energy (hydro, geothermal, wind, solar, ocean, biomass, wastes)

The California Energy Commission has a different way of classifying fuel and technology cycles:

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