Energy that is produced from renewable sources, such as sunlight, wind, biomass etc.
Energy from a source other than the conventional fossil-fuel sources of oil, natural gas and coal (i.e., wind, running water, the sun). Also referred to as "alternative fuel."
energy that is not popularly used and is usually environmentally sound, such as solar or wind energy (as opposed to fossil fuels).
An alternative to main stream energy.
energy derived from sources that do not use up natural resources or harm the environment
Energy produced from sources other than fossil fuels such as coal or oil, including solar, wind, hydroelectric, geothermal, and biomass.
energy derived from nontraditional sources (e.g., compressed natural gas, solar, hydroelectric, wind).
A popular term for "non-conventional" energy systems usually on a smaller scale and includes solar electric systems, wind generator systems, and small hydro-electric systems.
Energy from sources that do not produce harmful emissions. For example, unconventional power from the sun, wind or running water.
A popular term for “non-conventional” energy like renewables.
Fuel sources that are other than those derived from fossil fuels. Typically used interchangeably for renewable energy. Examples include: wind, solar, biomass, wave and tidal energy.