Energy balance may refer to:
- First law of thermodynamics, according to which energy cannot be created or destroyed, only modified in form
- Energy balance (biology), a measurement of the biological homeostasis of energy in living systems
- Energy economics, where the energy balance of a country is an aggregate presentation of all human activities related to energy, except for natural and biological processes
- Groundwater energy balance, comparing a groundwater body in terms of incoming hydraulic energy associated with groundwater inflow and outflow
- Energy returned on energy invested (EROEI), ratio of the amount of usable energy acquired from a particular energy resource to the amount of energy expended to obtain that energy resource
- Energy accounting, a system used within industry, where measuring and analyzing the energy consumption of different activities is done to improve energy efficiency
- Energy Economics (journal), a scientific journal published by Elsevier under its "North Holland" imprint
Famous quotes containing the words energy and/or balance:
“After the planet becomes theirs, many millions of years will have to pass before a beetle particularly loved by God, at the end of its calculations will find written on a sheet of paper in letters of fire that energy is equal to the mass multiplied by the square of the velocity of light. The new kings of the world will live tranquilly for a long time, confining themselves to devouring each other and being parasites among each other on a cottage industry scale.”
—Primo Levi (19191987)
“Success goes thus invariably with a certain plus or positive power: an ounce of power must balance an ounce of weight.”
—Ralph Waldo Emerson (18031882)