Топ-100
  • Water-energy nexus Water-energy nexus

    There is no formal definition for the water-energy nexus – the concept refers to the relationship between the water used for energy production, including bot...

  • United States Energy Association United States Energy Association

    The United States Energy Association is the U.S. Member Committee of the World Energy Council. Headquartered in Washington, D.C., USEA is an association of p...

  • Statistical study of energy data Statistical study of energy data

    Energy statistics refers to collecting, compiling, analyzing and disseminating data on commodities such as coal, crude oil, natural gas, electricity, or rene...

  • Primary energy Primary energy

    Primary energy is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels,...

  • Phakalane power station Phakalane power station

    Phakalane Power Station is a photovoltaic pilot power plant located in Phakalane, Botswana. The power station was funded through a Japanese grant which was p...

  • NET Power Demonstration Facility NET Power Demonstration Facility

    The NET Power Demonstration Facility, located in La Porte, Tx, is an oxy-combustion, zero-emissions 50 MWth natural gas power plant operated by NET Power and...

  • Maximum power principle Maximum power principle

    The maximum power principle or Lotkas principle has been proposed as the fourth principle of energetics in open system thermodynamics, where an example of an...

  • Intelligent Energy Intelligent Energy

    Intelligent Energy is a fuel cell engineering company focused on the development and commercialisation of its PEM fuel cell technologies for a range of marke...

  • Fusion energy gain factor Fusion energy gain factor

    The fusion energy gain factor, usually expressed with the symbol Q, is the ratio of fusion power produced in a nuclear fusion reactor to the power required t...

  • Exertion Exertion

    Exertion is the physical or perceived use of energy. Exertion traditionally connotes a strenuous or costly effort, resulting in generation of force, initiati...

  • Energy system Energy system

    An energy system is a system primarily designed to supply energy-services to end-users. Taking a structural viewpoint, the IPCC Fifth Assessment Report defin...

  • Energy rate density Energy rate density

    Energy rate density is the amount of free energy per unit time per unit mass. It is terminologically equivalent to power density when measured in SI units of...

  • Energy operator Energy operator

    In quantum mechanics, energy is defined in terms of the energy operator, acting on the wave function of the system as a consequence of time translation symme...

  • Energy management Energy management

    Energy management includes planning and operation of energy production and energy consumption units. Objectives are resource conservation, climate protection...

  • Energy flow (ecology) Energy flow (ecology)

    In ecology, energy flow, also called the calorific flow, refers to the flow of energy through a food chain, and is the focus of study in ecological energetic...

  • Energy density Energy density

    Energy density is the amount of energy stored in a given system or region of space per unit volume. Colloquially it may also be used for energy per unit mass...

  • Energy accidents Energy accidents

    Energy resources bring with them great social and economic promise, providing financial growth for communities and energy services for local economies. Howev...

  • Emergy Emergy

    Emergy is the amount of energy that was consumed in direct and indirect transformations to make a product or service. Emergy is a measure of quality differen...

  • Earth's energy budget Earth's energy budget

    Earths energy budget accounts for the balance between the energy that Earth receives from the Sun, and the energy the Earth radiates back into outer space af...

  • Driving factors Driving factors

    In energy monitoring and targeting, a driving factor is something recurrent and measurable whose variation explains variation in energy consumption. The term...

  • Brown energy Brown energy

    Brown energy may refer to: The term "brown energy" has been coined as energy produced from polluting sources as a contrast to green energy from renewable, no...

  • Index of energy articles Index of energy articles

    Activation energy - Alternative energy - Alternative energy indexes - American Museum of Science and Energy AMSE - Anisotropy energy - Atomic energy

  • Energy Energy

    In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conser...

Energy

conservation of energy states that energy can be converted in form, but not created or destroyed. The SI unit of energy is the joule, which is the energy transferred
In energy economics and ecological energetics, energy returned on energy invested EROEI or ERoEI or energy return on investment EROI is the ratio
Energy conservation is the effort made to reduce the consumption of energy by using less of an energy service. This can be achieved either by using energy
Office of Energy Efficiency and Renewable Energy EERE is an office within the United States Department of Energy Formed from other energy agencies after
Sustainable energy is the practice of using energy in a way that meets the needs of the present without compromising the ability of future generations
Efficient energy use, sometimes simply called energy efficiency, is the goal to reduce the amount of energy required to provide products and services
In physics, potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge
Energy density is the amount of energy stored in a given system or region of space per unit volume. Colloquially it may also be used for energy per unit
Energy development is the field of activities focused on obtaining sources of energy from natural resources. These activities include production of conventional

Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain
In physics, the kinetic energy KE of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body
Primary energy PE is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in
Energy storage is the capture of energy produced at one time for use at a later time. A device that stores energy is generally called an accumulator or
Energy policy is the manner in which a given entity often governmental has decided to address issues of energy development including energy production
Energy transformation, also known as energy conversion, is the process of changing energy from one form to another. In physics, energy is a quantity that
ionization energy American English spelling or ionisation energy British English spelling denoted Ei, is the minimum amount of energy required to
conservation of energy states that the total energy of an isolated system remains constant it is said to be conserved over time. This law means that energy can neither
promotes energy efficiency. Energy Star provides information on the energy consumption of products and devices, using standardized methods. The Energy Star
Energy security is the association between national security and the availability of natural resources for energy consumption. Access to relatively

The energy industry is the totality of all of the industries involved in the production and sale of energy including fuel extraction, manufacturing, refining
World energy consumption is the total energy produced and used by the entire human civilization. Typically measured per year, it involves all energy harnessed
of supply and demand in energy market Energy and economic growth Energy derivatives Energy elasticity Energy forecasting Energy markets and electricity
done to improve energy efficiency, and to monitor the environment impact of energy consumption. Energy accounting is a system used in energy management systems
Marine energy or marine power also sometimes referred to as ocean energy ocean power, or marine and hydrokinetic energy refers to the energy carried
In thermodynamics, the internal energy of a system is the energy contained within the system. It is the energy necessary to create or prepare the system
energy called energy levels. This contrasts with classical particles, which can have any amount of energy The term is commonly used for the energy levels
Electric potential energy or Electrostatic potential energy is a potential energy measured in joules that results from conservative Coulomb forces
EDF Energy is an integrated energy company in the United Kingdom, with operations spanning electricity generation and the sale of gas and electricity to
Renewable energy commercialization involves the deployment of three generations of renewable energy technologies dating back more than 100 years. First - generation
Energy poverty is lack of access to modern energy services. It refers to the situation of large numbers of people in developing countries and some people

  • conservation of energy states that energy can be converted in form, but not created or destroyed. The SI unit of energy is the joule, which is the energy transferred
  • In energy economics and ecological energetics, energy returned on energy invested EROEI or ERoEI or energy return on investment EROI is the ratio
  • Energy conservation is the effort made to reduce the consumption of energy by using less of an energy service. This can be achieved either by using energy
  • Office of Energy Efficiency and Renewable Energy EERE is an office within the United States Department of Energy Formed from other energy agencies after
  • Sustainable energy is the practice of using energy in a way that meets the needs of the present without compromising the ability of future generations
  • Efficient energy use, sometimes simply called energy efficiency, is the goal to reduce the amount of energy required to provide products and services
  • In physics, potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge
  • Energy density is the amount of energy stored in a given system or region of space per unit volume. Colloquially it may also be used for energy per unit
  • Energy development is the field of activities focused on obtaining sources of energy from natural resources. These activities include production of conventional
  • Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain
  • In physics, the kinetic energy KE of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body
  • Primary energy PE is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in
  • Energy storage is the capture of energy produced at one time for use at a later time. A device that stores energy is generally called an accumulator or
  • Energy policy is the manner in which a given entity often governmental has decided to address issues of energy development including energy production
  • Energy transformation, also known as energy conversion, is the process of changing energy from one form to another. In physics, energy is a quantity that
  • ionization energy American English spelling or ionisation energy British English spelling denoted Ei, is the minimum amount of energy required to
  • conservation of energy states that the total energy of an isolated system remains constant it is said to be conserved over time. This law means that energy can neither
  • promotes energy efficiency. Energy Star provides information on the energy consumption of products and devices, using standardized methods. The Energy Star
  • Energy security is the association between national security and the availability of natural resources for energy consumption. Access to relatively
  • The energy industry is the totality of all of the industries involved in the production and sale of energy including fuel extraction, manufacturing, refining
  • World energy consumption is the total energy produced and used by the entire human civilization. Typically measured per year, it involves all energy harnessed
  • of supply and demand in energy market Energy and economic growth Energy derivatives Energy elasticity Energy forecasting Energy markets and electricity
  • done to improve energy efficiency, and to monitor the environment impact of energy consumption. Energy accounting is a system used in energy management systems
  • Marine energy or marine power also sometimes referred to as ocean energy ocean power, or marine and hydrokinetic energy refers to the energy carried
  • In thermodynamics, the internal energy of a system is the energy contained within the system. It is the energy necessary to create or prepare the system
  • energy called energy levels. This contrasts with classical particles, which can have any amount of energy The term is commonly used for the energy levels
  • Electric potential energy or Electrostatic potential energy is a potential energy measured in joules that results from conservative Coulomb forces
  • EDF Energy is an integrated energy company in the United Kingdom, with operations spanning electricity generation and the sale of gas and electricity to
  • Renewable energy commercialization involves the deployment of three generations of renewable energy technologies dating back more than 100 years. First - generation
  • Energy poverty is lack of access to modern energy services. It refers to the situation of large numbers of people in developing countries and some people

Energy

In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conser...

Index of energy articles

Activation energy - Alternative energy - Alternative energy indexes - American Museum of Science and Energy AMSE - Anisotropy energy - Atomic energy

Outline of energy

The following outline is provided as an overview of and topical guide to energy: Energy – in physics, this is an indirectly observed quantity often understoo...

Brown energy

Brown energy may refer to: The term "brown energy" has been coined as energy produced from polluting sources as a contrast to green energy from renewable, no...

Drakoo wave energy converter

The Drakoo WEC does not fall under any of the usual wave energy converter classifications: its working principle, based on a twin-chamber oscillating water c...

Driving factors

In energy monitoring and targeting, a driving factor is something recurrent and measurable whose variation explains variation in energy consumption. The term...

Earth's energy budget

Earths energy budget accounts for the balance between the energy that Earth receives from the Sun, and the energy the Earth radiates back into outer space af...

Emergy

Emergy is the amount of energy that was consumed in direct and indirect transformations to make a product or service. Emergy is a measure of quality differen...

Energy accidents

Energy resources bring with them great social and economic promise, providing financial growth for communities and energy services for local economies. Howev...

Energy broker

Energy brokers assist clients in procuring electric or natural gas from energy wholesalers/suppliers. Since electricity and natural gas are commodities, pric...

Energy customer switching

Energy customer switching is a concept stemming from the global energy markets. The concept refers to the action of one energy customer switching energy supp...

Energy density

Energy density is the amount of energy stored in a given system or region of space per unit volume. Colloquially it may also be used for energy per unit mass...

Energy flow (ecology)

In ecology, energy flow, also called the calorific flow, refers to the flow of energy through a food chain, and is the focus of study in ecological energetic...

Energy informatics

Energy informatics is a research field covering the use of information and communication technology to address energy utilization and management challenges. ...

Energy management

Energy management includes planning and operation of energy production and energy consumption units. Objectives are resource conservation, climate protection...

Energy management software

Energy Management Software is a general term and category referring to a variety of energy-related software applications which may provide utility bill track...

Energy monitoring and targeting

Energy monitoring and targeting is an energy efficiency technique based on the standard management axiom stating that" you cannot manage what you cannot meas...

Energy operator

In quantum mechanics, energy is defined in terms of the energy operator, acting on the wave function of the system as a consequence of time translation symme...

Energy rate density

Energy rate density is the amount of free energy per unit time per unit mass. It is terminologically equivalent to power density when measured in SI units of...

Energy system

An energy system is a system primarily designed to supply energy-services to end-users. Taking a structural viewpoint, the IPCC Fifth Assessment Report defin...

Exertion

Exertion is the physical or perceived use of energy. Exertion traditionally connotes a strenuous or costly effort, resulting in generation of force, initiati...

Fowkes hypothesis

The Fowkes hypothesis is a first order approximation for surface energy. It states the surface energy is the sum of each components forces: γ=γ d +γ p +γ i +...

Fusion energy gain factor

The fusion energy gain factor, usually expressed with the symbol Q, is the ratio of fusion power produced in a nuclear fusion reactor to the power required t...

Greisen–Zatsepin–Kuzmin limit

The Greisen–Zatsepin–Kuzmin limit is a theoretical upper limit on the energy of cosmic ray protons traveling from other galaxies through the intergalactic me...

Intelligent Energy

Intelligent Energy is a fuel cell engineering company focused on the development and commercialisation of its PEM fuel cell technologies for a range of marke...

Margham

Margham is an oil and gas field in Dubai, United Arab Emirates and the largest onshore gas field in the emirate. The field is managed by Dusup - the Dubai Su...

Maximum power principle

The maximum power principle or Lotkas principle has been proposed as the fourth principle of energetics in open system thermodynamics, where an example of an...

National Hydrogen and Fuel Cell Day

National Hydrogen and Fuel Cell Day was created by the Fuel Cell and Hydrogen Energy Association to help raise awareness of fuel cell and hydrogen technologi...

NET Power Demonstration Facility

The NET Power Demonstration Facility, located in La Porte, Tx, is an oxy-combustion, zero-emissions 50 MWth natural gas power plant operated by NET Power and...

Open energy system databases

Open energy system database projects employ open data methods to collect, clean, and republish energy-related datasets for open use. The resulting informatio...

Orders of magnitude (energy)

The joule is named after James Prescott Joule. As with every SI unit named for a person, its symbol starts with an upper case letter J, but when written in f...

Phakalane power station

Phakalane Power Station is a photovoltaic pilot power plant located in Phakalane, Botswana. The power station was funded through a Japanese grant which was p...

Primary energy

Primary energy is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels,...

Statistical study of energy data

Energy statistics refers to collecting, compiling, analyzing and disseminating data on commodities such as coal, crude oil, natural gas, electricity, or rene...

United States Energy Association

The United States Energy Association is the U.S. Member Committee of the World Energy Council. Headquartered in Washington, D.C., USEA is an association of p...

Water-energy nexus

There is no formal definition for the water-energy nexus – the concept refers to the relationship between the water used for energy production, including bot...