What is Alternative Energy, Alternative Energy Definitions

Definitions of Alternative Energy Terminology

Alternative Energy: is commonly defined as energy that is generated from non fossil fuel resources and that does not harm the environment. Generally speaking nuclear energy is not included.

Renewable Energy: is energy from sources that are naturally replenished such as solar, wind, wave/tidal, hydroelectric, biofuels and geothermal energy.

Solar Energy: is energy from the sun’s solar radiation and can be divided into passive (no mechanical devices) and active solar energy (such as photovoltaics).

Wind Energy: is energy from the conversion of wind to electricity by a wind turbine.

Hydropower Energy: is energy generated by moving water, commonly from waterwheels, hydroelectric dams but also from tides and more.

Biofuels: are fuels generated from plant biomass, including bio-diesel and ethanol.

Geothermal Energy: is energy derived from the heat of the Earth’s core.

Source: Staff of ACS Distance Education (2009)

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