energy, as solar, wind, or nuclear energy, that can replace or supplement traditional fossil-fuel sources, as coal, oil, and natural gas.
Origin
1970-75
Examples from the web for alternative energy
If solar follows this path, it could be bad for the entire alternative energy industry.
alternative energy is also catching on in parts of the developing world where it's a necessity, not a choice.
Companies might spend money on alternative energy sources.
alternative energy projects make make money at the high price, will not repay their investment at the low price.
It is added into the article because it's always a good idea to inject a little reality into alternative energy schemes.
These alternative energy schemes all work better when they are stationary, and can take up a lot of space and weight.
No one really knows if, or how quickly, alternative energy sources can revive the economy and salve the planet.
When it's processed, that oil can be turned into biofuel, an alternative energy source.
Also, they may be used to steady out the power of alternative energy.
Fossil fuels, including methane could tide us over until alternative energy sources are discovered.
British Dictionary definitions for alternative energy
alternative energy
noun
1.
a form of energy derived from a natural source, such as the sun, wind, tides, or waves Also called renewable energy
Encyclopedia Article for alternative energy
usable energy derived from replenishable sources such as the Sun (solar energy), wind (wind power), rivers (hydroelectric power), hot springs (geothermal energy), tides (tidal power), and biomass (biofuels).