Energy consumption

Energy consumption is the amount of energy or power used.[1]

Biology

In the body, energy consumption is part of energy homeostasis. It derived from food energy. Energy consumption in the body is a product of the basal metabolic rate and the physical activity level. The physical activity level are defined for a non-pregnant, non-lactating adult as that person's total energy expenditure (TEE) in a 24-hour period, divided by his or her basal metabolic rate (BMR):[2]

{\text{PAL}}={\frac {\text{TEE/24h}}{\text{BMR}}}

Demographics

Topics related to energy consumption in a demographic sense are:

Effects of energy consumption

Reduction of energy consumption

Energy conservation, the practice of decreasing the quantity of energy used
Efficient energy use

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References

"Energy consumption definition and meaning - Collins English Dictionary". www.collinsdictionary.com.
"Human energy requirements: Principles and Definitions". Report of a Joint FAO/WHO/UNU Expert Consultation. Food and Agriculture Organization of the United Nations. 2004. Retrieved 2009-10-15.

External links

Wikibooks has a book on the topic of: How to reduce energy usage

Energy
Outline History Index
Fundamental concepts	Energy Units Conservation of energy Energetics Energy transformation Energy condition Energy transition Energy level Energy system Mass Negative mass Mass–energy equivalence Power Thermodynamics Quantum thermodynamics Laws of thermodynamics Thermodynamic system Thermodynamic state Thermodynamic potential Thermodynamic free energy Irreversible process Thermal reservoir Heat transfer Heat capacity Volume (thermodynamics) Thermodynamic equilibrium Thermal equilibrium Thermodynamic temperature Isolated system Entropy Free entropy Entropic force Negentropy Work Exergy Enthalpy
Types	Kinetic Internal Thermal Potential Gravitational Elastic Electric potential energy Mechanical Interatomic potential Electrical Magnetic Ionization Radiant Binding Nuclear binding energy Gravitational binding energy Chromodynamic Dark Quintessence Phantom Negative Chemical Rest Sound energy Surface energy Mechanical wave Sound wave Vacuum energy Zero-point energy
Energy carriers	Radiation Enthalpy Fuel fossil fuel Heat Latent heat Work Electricity Battery Capacitor
Primary energy	Fossil fuel Coal Petroleum Natural gas Nuclear fuel Natural uranium Radiant energy Solar Wind Hydropower Marine energy Geothermal Bioenergy Gravitational energy
Energy system components	Energy engineering Oil refinery Electric power Fossil fuel power station Cogeneration Integrated gasification combined cycle Nuclear power Nuclear power plant Radioisotope thermoelectric generator Solar power Photovoltaic system Concentrated solar power Solar thermal energy Solar power tower Solar furnace Wind power Wind farm Airborne wind energy Hydropower Hydroelectricity Wave farm Tidal power Geothermal power Biomass
Use and supply	Energy consumption Energy storage World energy consumption Energy security Energy conservation Efficient energy use Transport Agriculture Renewable energy Sustainable energy Energy policy Energy development Worldwide energy supply South America USA Mexico Canada Europe Asia Africa Australia
Misc.	Jevons paradox Carbon footprint
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