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Alternative Energy SourcesSolar EnergyWind EnergyHydro Energy
Tidal EnergyGeothermal Energy
Nuclear EnergyBiomass
Solar energy• Solar electric or photovoltaic (PV) systems convert sunlight (insolation) into
electricity.
Solar energyElectric Power Capacity (MW)
United States 970,000
Renewable 97,000
Solar 400
Wind energyWind power is the conversion of wind energy into a useful form, such as electricity, using wind turbines.
Wind energyElectric Power Capacity (MW)
US 970,000
Renewable 97,000(10%)
Wind 6,000
Nuclear energyNuclear energy originates from the splitting of uranium atoms in a process called fission. At the power plant, the fission process is used to generate heat for producing steam, which is used by a turbine to generate electricity.
Nuclear energy Electric Power Capacity (MW)
US 970,000
Nuclear 203,700(21%)
Geothermal energy
Geothermal energy is heat from within the earth.
Tidal energy• Tidal energy is created by the relative motion of the Earth, Moon, Sun, and the
gravitational interactions between them.
Link
• http://www.teachersdomain.org/resource/phy03.sci.phys.energy.energysource/
• http://serc.carleton.edu/NAGTWorkshops/energy/index.html