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geothermal and fossil energy image

geothermal and fossil energy
Geothermal energy uses the Earth’s internal heat and is a renewable energy source; fossil fuels such as coal and petroleum are nonrenewable energy sources.

coal mine , oil , production of electricity from geothermal energy , thermal energy

hydroelectricity image

hydroelectricity
A nonpolluting renewable energy source, hydroelectricity accounts for 20% of the electricity consumed around the world.

hydroelectric complex , generator unit , examples of dams , electricity transmission , tidal power plant , steps in production of electricity

nuclear energy image

nuclear energy
Large quantity of energy that is released in the form of heat; this occurs during a nuclear reaction (fission of atom nuclei). The heat is used to produce electricity.

production of electricity from nuclear energy , fuel handling sequence , fuel bundle , nuclear reactor , nuclear generating station , carbon dioxide reactor , heavy-water reactor , pressurized-water reactor , boiling-water reactor

solar energy image

solar energy
Harnessed solar radiation has many applications, including solar-panel heating and electricity produced with solar cells and solar furnaces.

solar house , solar cell , flat-plate solar collector , solar-cell system , production of electricity from solar energy , solar furnace

wind energy image

wind energy
A renewable energy source, wind energy harnesses the power of the wind and converts it into mechanical or electric energy.

windmill , wind turbines and electricity production