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 persons who constitute the natural aristocracy, are not found in the actual aristocracy, or, only on its edge; as the chemical energy of the spectrum is found to be greatest just outside of the spectrum.”
—Ralph Waldo Emerson (1803–1882)