Zero energy may refer to:
- A zero energy building (ZEB), a building's use with zero net energy consumption and zero carbon emissions
- Zero-Net-Energy USA Federal Buildings President Obama has ordered that 15% of U.S. Federal buildings be zero-net-energy by 2015 and 100% of all new buildings by 2030
- Zero-energy universe, a concept that states that the total amount of energy in the Universe is exactly zero
- Zero-point energy, the lowest possible energy that a quantum mechanical physical system may have
Famous quotes containing the word energy:
“The principle of avoiding the unnecessary expenditure of energy has enabled the species to survive in a world full of stimuli; but it prevents the survival of the aristocracy.”
—Rebecca West (1892–1983)