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Consumption of energy by animals and societies
Energy consumption is the amount of energy used. In physics, energy consumption refers to the transformation of energy from one form to another, rather
Energy_consumption
Worldwide consumption of electricity
Electric energy consumption is energy consumption in the form of electrical energy. Approximately one-fifth of global energy is consumed as electricity:
Electric_energy_consumption
Global production and usage of energy
World energy supply and consumption refers to the global supply of energy resources and the consumption of those resources. The system of global energy supply
World energy supply and consumption
World_energy_supply_and_consumption
supplied 9% and renewable energy supplied 9%, which includes biomass, wind, hydro, solar and geothermal. Energy consumption in 2025 was mostly for industry
Energy_in_the_United_States
Discussing what form of transport is the most fuel efficient and economical
electrical energy or food energy. The inverse of the energy efficiency in transport is the energy consumption in transport. Energy consumption in transport
Energy efficiency in transport
Energy_efficiency_in_transport
list of countries by oil consumption. In 2022, the International Energy Agency (IEA) announced that total worldwide oil consumption would rise by 2% year
List of countries by oil consumption
List_of_countries_by_oil_consumption
countries by electric energy consumption. China is the largest producer and consumer of electricity, representing 55% of consumption in Asia and 31% of the
List of countries by electricity consumption
List_of_countries_by_electricity_consumption
US Department of Energy agency
analyses of energy production, consumption, imports, and exports for 36 individual countries and regions. Residential Energy Consumption Survey: EIA's
Energy Information Administration
Energy_Information_Administration
United Kingdom total primary energy consumption by fuel in 2024 (million tonnes of oil equivalent) Gas 37.1 (29.0%) Oil 58.2 (45.5%) Electricity 23.4 (18
Energy_in_the_United_Kingdom
This is a list of countries by total primary energy consumption and production. 1 quadrillion BTU = 293 terawatt-hour (TWh) = 1.055 exajoule (EJ) 1 quadrillion
List of countries by energy consumption and production
List_of_countries_by_energy_consumption_and_production
Total energy consumption of single household
Domestic energy consumption refers to the total energy consumption of a single household. Globally, the amount of energy used per household may vary significantly
Domestic_energy_consumption
Driving using techniques that reduce fuel consumption
Energy-efficient driving techniques are used by drivers who wish to reduce their fuel consumption, and thus maximize fuel efficiency. Many drivers have
Energy-efficient_driving
Energy consumption labelling scheme
EU Directive 92/75/EC (1992) established an energy consumption labelling scheme. The directive was implemented by several other directives, thus most white
European_Union_energy_label
Efficiency leads to increased demand
to reduce fuel consumption. The issue has been re-examined by modern economists studying consumption rebound effects from improved energy efficiency. In
Jevons_paradox
Methods for higher energy efficiency
by Lev Levich is to remove energy subsidies that promote high energy consumption and inefficient energy use. Improved energy efficiency in buildings, industrial
Efficient_energy_use
is a list of countries by total energy consumption per capita. This is not the consumption of end-users but all energy needed as input to produce fuel
List of countries by energy consumption per capita
List_of_countries_by_energy_consumption_per_capita
renewable energy category for Europe in 2023 was solid, liquid, and gaseous biomass, which comprised half of all renewable energy consumption that year
Renewable energy in the European Union
Renewable_energy_in_the_European_Union
Energy form not subjected to any human conversion process
World total primary energy consumption by type in 2020 Oil (31.2%) Coal (27.2%) Natural Gas (24.7%) Hydro (renewables) (6.90%) Nuclear (4.30%) Others (renewables)
Primary_energy
Computer providing a central resource or service
consumed 415 terawatt-hours of electrical energy, and were responsible for roughly 1.5% of electrical energy consumption worldwide, and for 4.4% in the United
Server_(computing)
Specialized data centers designed for artificial intelligence
companies and private investors, has also invested in AI development. Energy consumption and the environmental impacts it creates are a central issue for data
AI_data_center
Reducing energy consumption
Energy conservation is the effort to reduce wasteful energy consumption by using fewer energy services. This can be done by using energy more effectively
Energy_conservation
Primary energy consumption in Spain in 2020 was mainly composed of fossil fuel sources. The largest sources are petroleum (42.3%), natural gas (19.8%)
Energy_in_Spain
2024 superyacht by Lürssen
The vessel has an electric Azimuth pod drive. Dragonfly's electric energy consumption is substantial, and is comparable to that of a small cruise ship.
Dragonfly_(yacht)
of which is considered as the highest energy consumption rate in the world in terms of energy intensity. Energy plays an important role in Iranian politics
Energy_in_Iran
Under-construction maglev high-speed train line in Japan
comparison of the energy consumption of SCMaglev, Transrapid and conventional high-speed trains was conducted. The energy consumption per square meter
Chūō_Shinkansen
Renewable Energy Directive was a 30% share of renewable energy in gross final energy consumption, up from 17% in 2005. The share of renewable energy in Denmark
Renewable_energy_in_Denmark
energy industries. The COVID-19 pandemic had a significant impact on energy consumption. Although 2020-2021 energy emissions were stable, consumption
Energy_in_Japan
Energy in Finland describes energy and electricity production, consumption and import in Finland. Energy policy of Finland describes the politics of Finland
Energy_in_Finland
domestic gas consumption; oil: 4.68 Mtoe (10.8%), 8% of oil consumption; coal: 0.25 Mtoe (0.6%), 2.7% of coal consumption; renewable energies: 34.02 Mtoe
Energy_in_Italy
Using money to obtain an item for use
and services).[citation needed] Consumption can also be measured in a variety of different ways such as energy in energy economics metrics. GDP (Gross domestic
Consumption_(economics)
AI that generates content
environmental impacts include electronic waste, consumption of fresh water for cooling, and high energy consumption that is estimated to be growing steadily
Generative_AI
Temperature maintenance device connected to Wi-Fi
essential for ensuring energy savings: studies have shown that households with programmable thermostats actually have higher energy consumption than those with
Smart_thermostat
Since 2013, the total primary energy consumption in India has been the third greatest in the world (see world energy consumption) after China and the United
Energy_in_India
energy consumption per capita was 120 gigajoules. Per capita energy consumption had increased 8 per cent since 1998. New Zealand uses more energy per capita
Energy_in_New_Zealand
Overview of energy production, consumption, and policy in Europe
Energy in Europe encompasses the production, supply, consumption and trade of energy across the continent. European countries have diverse energy systems
Energy_in_Europe
final energy consumption. Another broader measure, primary energy consumption also includes energy used in the extraction of fuels (the energy sector)
Renewable_energy_in_Spain
Energy in Sweden is characterized by relatively high per capita production and consumption, and a reliance on imports for fossil fuel supplies. With 98%
Energy_in_Sweden
Topics referred to by the same term
and monitoring of systems in a building which yield significant energy consumption Energy management system (electrical grid), a system used by operators
Energy_management_system
Renewable energy in Israel accounts for 12.5% of energy consumption in 2023. Israel aims to reach 30% renewable energy consumption by 2030. In 2023 Israel
Renewable_energy_in_Israel
Removal of salts from water
significantly to help close the global water supply gap. Due to its energy consumption, desalinating sea water is generally more costly than fresh water
Desalination
Physical lower limit to energy consumption of computation
is a physical principle pertaining to a lower theoretical limit of energy consumption of computation. It holds that an irreversible change in information
Landauer's_principle
European Union in the consumption of energy from renewable sources. In 2022, the Netherlands consumed just 15% of its total energy from renewables. According
Renewable energy in the Netherlands
Renewable_energy_in_the_Netherlands
Ecological and economic concept
consumption energy consumption electric energy consumption world energy consumption natural gas consumption/gas depletion oil consumption/oil depletion
Resource_consumption
Freezer used for storing contents at unusually low temperatures
opening frequency of the users as well as the number of samples, the energy consumption starts from ca. 11 kWh/day and higher. The US government calculates
Ultra-low-temperature_freezer
energy consumption and supply-chain emissions, while also reporting lower PUE than industry averages for its own facilities. The International Energy
Environmental_impact_of_AI
Deliberate use of light to achieve practical or aesthetic effects
buildings. This can save energy in place of using artificial lighting, which represents a major component of energy consumption in buildings. Proper lighting
Lighting
Primary energy sources from which secondary energy for direct use is produced
electricity only accounts for 20 % of the world's final energy consumption. Overall primary energy consumption in the United States in 2015 relied most on petroleum
Energy_mix
Measure of a civilization's evolution
access all the energy available on its planet and store it for consumption. A Type II civilization (stellar) can directly consume a star's energy, such as through
Kardashev_scale
of U.S. states by renewable energy consumption as a share of state total energy consumption. Renewable energy portal Energy portal United States portal
List of U.S. states by electricity consumption from renewable sources
List_of_U.S._states_by_electricity_consumption_from_renewable_sources
Swiss total primary energy consumption in 2024 Oil (36.7%) Gas (9.80%) Nuclear fuel (24.3%) Hydropower (16.9%) Rest (12.3%) Energy in Switzerland is transitioning
Energy_in_Switzerland
gas consumption. For informational purposes, several non-sovereign entities are also included in this list. Countries with no natural gas consumption are
List of countries by natural gas consumption
List_of_countries_by_natural_gas_consumption
largest tidal stream energy project in the world. The total final energy consumption in Scotland was just over 64.5 TWh, split approximately two-thirds
Energy_in_Scotland
final energy consumption. Their share was highest in the electricity sector, where renewables supplied 55.1% of gross electricity consumption. Wind power
Renewable_energy_in_Germany
The energy sector in Tunisia includes all production, processing and, transit of energy consumption in this country. The production involves the upstream
Energy_in_Tunisia
Analysis of power consumption
Energy accounting is a system used to measure, analyze and report the energy consumption of different activities on a regular basis. This is done to improve
Energy_accounting
generation from renewable energy was about 35% of total electricity, while the renewable share in total energy consumption was much lower. China sees
Renewable_energy_in_China
Water purification process
psi) natural osmotic pressure that must be overcome. As for their energy consumption, seawater RO systems typically require 2.9-5.5 kWh/m3, although state-of-the-art
Reverse_osmosis
American fuel cell company
low-emission, always-on, near zero-carbon green energy and carbon capture technologies for high-energy consumption industries. The company was founded in 2001
Bloom_Energy
Energy in Germany is derived primarily from fossil fuels. In 2025, petroleum accounted for 36.0% of primary energy consumption, natural gas for 26.6%,
Energy_in_Germany
Bitcoin adoption in El Salvador
Bitcoin’s global energy consumption was 83.91 TWh in October of 2021, which is 13 times El Salvador’s entire annual energy consumption. With the already
Bitcoin_in_El_Salvador
Measure of an economy's energy inefficiency
atypical for particularly cold or hot climates to require greater energy consumption in homes and workplaces for heating (furnaces, or electric heaters)
Energy_intensity
Driving cycle standard
cycle standard introduced by the government of China to measure the energy consumption, driving range and emissions of light-duty vehicles, including both
China Light-Duty Vehicle Test Cycle
China_Light-Duty_Vehicle_Test_Cycle
renewable energy in gross final energy consumption (all energy uses) had risen to 19.6% in 2023. In 2025, Italy's electricity consumption was at 311
Renewable_energy_in_Italy
Socio-geographic division in Brazil
Brazil's Legal Amazon (abbreviated BLA), in Portuguese Amazônia Legal (Brazilian Portuguese: [amaˈzonjɐ leˈɡaw]), is the largest socio-geographic division
Amazônia_Legal
System that regulates the formation of blocks on a blockchain
because of the latter's lower energy consumption. Ethereum's switch to proof-of-stake was estimated to have cut its energy use by over 99%. Zhao, Wenbing;
Proof_of_stake
decline below consumption in 2020, making imports necessary. Denmark imports around 12% of its energy (this statistic includes all forms of energy, not just
Energy_in_Denmark
Open-source mesh networking protocol
coverage. This differentiation results in different scalability and energy-consumption characteristics between the two. MeshCore was developed by Scott Powell
MeshCore
US EPA program and certification
Benchmarking Energy Star Energy Star Australia Energy Star Canada Energy Consumption Calculator Energy Star entry at Ecolabelling.org Energy Efficiency
Energy_Star
Electronic products for everyday use
of the energy use in American homes – largely because of their number; the average house has dozens of electronic devices. The energy consumption of consumer
Consumer_electronics
Significant structural change in an energy system
An energy transition (or energy system transformation) is a major structural change to energy supply and consumption in an energy system. Currently, a
Energy_transition
Production of waste heat by computer processors
CPU core, energy usage will scale up as its clock rate increases. Reducing the clock rate or undervolting usually reduces energy consumption; it is also
Processor_power_dissipation
Beverage containing stimulants
or repeated consumption can lead to cardiac and psychiatric conditions. Populations at risk for complications from energy drink consumption include youth
Energy_drink
Standard measure of the energy efficiency of a building
Basically, the energy rating of a residential building provides detailed information on the energy consumption and the relative energy efficiency of the
House_Energy_Rating
1% to 8.6% of total final consumption. By 2020 the overall renewable energy share was 13.5%, short of its Renewable Energy Directive target of 16%. In
Renewable energy in the Republic of Ireland
Renewable_energy_in_the_Republic_of_Ireland
these indicators: Energy intensity, GDP, Final energy consumption, Power consumption, Power intensity, shown in Table: Table: Energy efficiency in economic
Energy_in_Vietnam
about energy consumption and behavior that argue that increased energy efficiency paradoxically tends to lead to increased energy consumption. In 1992
Khazzoom–Brookes_postulate
Production and sale of energy
of energy resources List of largest energy companies Renewable energy Stranded asset World energy consumption Worldwide energy supply "If the energy sector
Energy_industry
Distributed data store for digital transactions
energy. In June 2018, the Bank for International Settlements criticized the use of public proof-of-work blockchains for their high energy consumption
Blockchain
Radiant light and heat from the Sun, harnessed with technology
"Total Primary Energy Consumption". Energy Information Administration. Retrieved 28 June 2022. "Total Electricity Net Consumption". Energy Information Administration
Solar_energy
Energy consumption labelling scheme
The China Energy Label (CEL; Chinese: 中国能效标识; pinyin: zhōngguó néngxiào biāozhì) is an energy consumption label for products in China, similar to the
China_Energy_Label
Facility used to house computer servers
server energy consumption, but this share fell sharply to about 10% by 2023 as workloads migrated to hyperscale and colocation facilities. Energy efficiency
Data_center
are renewable (naturally replenished). About 16% of global final energy consumption comes from renewables, with 10% coming from traditional biomass, which
List of books about renewable energy
List_of_books_about_renewable_energy
proportion in the world. Coal energy is declining and due to cease. Renewables accounted for 19.1% of energy consumption in 2020 and the country is increasingly
Energy_in_France
lists of countries by energy intensity, or total energy consumption per unit GDP. The following is a list of countries by energy intensity as published
List of countries by energy intensity
List_of_countries_by_energy_intensity
Renewable energy in Finland increased from 34% of the total final energy consumption (TFEC) in 2011 to 48% by the end of 2021, primarily driven by bioenergy
Renewable_energy_in_Finland
Topics referred to by the same term
disease, historically known as consumption Consumer (food chain), receipt of energy by consuming other organisms Consumption (economics), the purchasing
Consumption
Topics referred to by the same term
conservation, reducing energy consumption by using less of an energy service Energy (disambiguation) Efficiency (disambiguation) Energy rating (disambiguation)
Energy_efficiency
Production of chlorine
boilers or fuel cells. Production of chlorine is extremely energy intensive. Energy consumption per unit weight of product is not far below that for iron
Chlorine_production
Diet with very or extremely low daily food energy consumption
crash diet, is a type of diet with very or extremely low daily food energy consumption. VLCDs are defined as a diet of 800 kilocalories (3,300 kJ) per day
Very-low-calorie_diet
2018. Food power Food politics List of countries by energy consumption per capita "FAO Food Consumption Nutrients spreadsheet - 2008". Food and Agriculture
List of countries by food energy intake
List_of_countries_by_food_energy_intake
Stove and cooker system
cooker's consumption. AGA's own figures for expected energy consumption for their two-oven model support this criticism, suggesting average consumption of 40
AGA_cooker
Cellular network standard
connection) has the lowest energy consumption. The states in the RRC connected mode, in order of decreasing power consumption, are CELL_DCH (Dedicated Channel)
Radio_Resource_Control
Energy in Australia is the production in Australia of energy and electricity, for consumption or export. Energy policy of Australia describes the politics
Energy_in_Australia
Wi-fi using passive reflection
passive reflection to reduce energy consumption. Wi-Fi use can account for up to 60 percent of a smartphone's energy consumption. When not connected to a
Passive_Wi-Fi
Austria ranks 6th in total renewable energy consumption (42.9% of gross final energy consumption), as total energy includes electricity, heating/cooling
Renewable_energy_in_Austria
gasoline. Total energy consumption (measured by total primary energy supply) in Belarus was 27.0 Mtoe in 2018, similar to consumption in Norway and Hungary
Energy_in_Belarus
Devices that affect energy consumption, and are subject to Energy Efficiency requirements
Energy-related products (ErP) are items that either consume energy directly or indirectly influence energy consumption. This includes not only devices
Energy-related_products
German website
that collects and delivers information about the fuel consumption and electric energy consumption of vehicles under real-life conditions. The database
Spritmonitor
Period of human and computer science history
consumption, and this is projected to roughly double to around 945 terawatt-hours, or just under 3% of the global total, by 2030. As a result, energy
Zettabyte_Era
Salvadorean engineer
"turbococina" (turbo-cooker), a type of kitchen with low energy consumption that aims to reduce fuelwood consumption by around 95%. In the mid-1990s, Francisco Serrano
René_Núñez_Suárez
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