Variable renewable energy, the Glossary

Table of Contents

1. 75 relations: Base load, Battery storage power station, Bioenergy, Bitcoin, Brazil, Capacity credit, Capacity factor, Carbon dioxide removal, Combined cycle hydrogen power plant, Correlation, Cost of electricity by source, Curtailment (electricity), Demand response, Dispatchable generation, Electric power transmission, Electrical grid, Electrolysis, Energy demand management, Energy return on investment, Energy security and renewable technology, Energy storage, Energy transition, Environmental impact of reservoirs, Externality, Fault tolerance, Firm service, Flow battery, Flywheel energy storage, Fossil fuel phase-out, Gemasolar Thermosolar Plant, Geothermal power, Governance of hydropower in Scandinavia, Greenhouse gas, Greenhouse gas emissions, Ground source heat pump, Habitat destruction, Hedge (finance), Hydro-Québec, Hydroelectricity, Hydrogen, Hydropower, Ice storage air conditioning, List of energy storage power plants, Low-carbon economy, Manitoba, Nameplate capacity, Nevada Solar One, Norway, Operating reserve, Parabolic trough, ... Expand index (25 more) »

Base load

The base load (also baseload) is the minimum level of demand on an electrical grid over a span of time, for example, one week.

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Battery storage power station

A battery storage power station, or battery energy storage system (BESS), is a type of energy storage power station that uses a group of batteries to store electrical energy.

See Variable renewable energy and Battery storage power station

Bioenergy

Bioenergy is a type of renewable energy that is derived from plants and animal waste. Variable renewable energy and Bioenergy are renewable energy.

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Bitcoin

Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency.

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Brazil

Brazil, officially the Federative Republic of Brazil, is the largest and easternmost country in South America and Latin America.

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Capacity credit

Capacity credit (CC, also capacity value or de-rating factor) is the fraction of the installed capacity of a power plant which can be relied upon at a given time (typically during system stress), frequently expressed as a percentage of the nameplate capacity. Variable renewable energy and capacity credit are power engineering.

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Capacity factor

The net capacity factor is the unitless ratio of actual electrical energy output over a given period of time to the theoretical maximum electrical energy output over that period.

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Carbon dioxide removal

Carbon dioxide removal (CDR) is a process in which carbon dioxide is removed from the atmosphere by deliberate human activities and durably stored in geological, terrestrial, or ocean reservoirs, or in products.

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Combined cycle hydrogen power plant

A combined cycle hydrogen power plant is a power plant that uses hydrogen in a combined cycle power plant.

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Correlation

In statistics, correlation or dependence is any statistical relationship, whether causal or not, between two random variables or bivariate data.

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Cost of electricity by source

Different methods of electricity generation can incur a variety of different costs, which can be divided into three general categories: 1) wholesale costs, or all costs paid by utilities associated with acquiring and distributing electricity to consumers, 2) retail costs paid by consumers, and 3) external costs, or externalities, imposed on society.

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Curtailment (electricity)

In electric grid power generators, curtailment is the deliberate reduction in output below what could have been produced in order to balance energy supply and demand or due to transmission constraints.

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Demand response

Demand response is a change in the power consumption of an electric utility customer to better match the demand for power with the supply.

See Variable renewable energy and Demand response

Dispatchable generation

Dispatchable generation refers to sources of electricity that can be programmed on demand at the request of power grid operators, according to market needs.

See Variable renewable energy and Dispatchable generation

Electric power transmission

Electric power transmission is the bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation.

See Variable renewable energy and Electric power transmission

Electrical grid

An electrical grid (or electricity network) is an interconnected network for electricity delivery from producers to consumers. Variable renewable energy and electrical grid are electric power distribution.

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Electrolysis

In chemistry and manufacturing, electrolysis is a technique that uses direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction.

See Variable renewable energy and Electrolysis

Energy demand management

Energy demand management, also known as demand-side management (DSM) or demand-side response (DSR), is the modification of consumer demand for energy through various methods such as financial incentives and behavioral change through education. Variable renewable energy and energy demand management are electric power distribution.

See Variable renewable energy and Energy demand management

Energy return on investment

In energy economics and ecological energetics, energy return on investment (EROI), also sometimes called energy returned on energy invested (ERoEI), is the ratio of the amount of usable energy (the exergy) delivered from a particular energy resource to the amount of exergy used to obtain that energy resource.

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Energy security and renewable technology

The environmental benefits of renewable energy technologies are widely recognised, but the contribution that they can make to energy security is less well known.

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Energy storage

Energy storage is the capture of energy produced at one time for use at a later time to reduce imbalances between energy demand and energy production.

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Energy transition

An energy transition (or energy system transformation) is a major structural change to energy supply and consumption in an energy system. Variable renewable energy and energy transition are renewable energy.

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Environmental impact of reservoirs

The environmental impact of reservoirs comes under ever-increasing scrutiny as the global demand for water and energy increases and the number and size of reservoirs increases.

See Variable renewable energy and Environmental impact of reservoirs

Externality

In economics, an externality or external cost is an indirect cost or benefit to an uninvolved third party that arises as an effect of another party's (or parties') activity.

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Fault tolerance

Fault tolerance is the ability of a system to maintain proper operation despite failures or faults in one or more of its components.

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Firm service

Firm services, also called uninterruptible services, are services, such as electricity (firm power) and natural gas supplies, that are intended to be available at all times during a period covered by an agreement. Variable renewable energy and Firm service are electric power distribution.

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Flow battery

A flow battery, or redox flow battery (after reduction–oxidation), is a type of electrochemical cell where chemical energy is provided by two chemical components dissolved in liquids that are pumped through the system on separate sides of a membrane.

See Variable renewable energy and Flow battery

Flywheel energy storage

Flywheel energy storage (FES) works by accelerating a rotor (flywheel) to a very high speed and maintaining the energy in the system as rotational energy. Variable renewable energy and Flywheel energy storage are energy storage.

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Fossil fuel phase-out

Fossil fuel phase-out is the gradual reduction of the use and production of fossil fuels to zero, to reduce deaths and illness from air pollution, limit climate change, and strengthen energy independence.

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Gemasolar Thermosolar Plant

Gemasolar is a concentrated solar power plant with a molten salt heat storage system. It is located within the city limits of Fuentes de Andalucía in the province of Seville, Spain.

See Variable renewable energy and Gemasolar Thermosolar Plant

Geothermal power

Geothermal power is electrical power generated from geothermal energy.

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Governance of hydropower in Scandinavia

Governance of hydropower in Scandinavia, and the implementation of hydropower projects, is controlled by self-organising networks, with an open decision making process.

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Greenhouse gas

Greenhouse gases (GHGs) are the gases in the atmosphere that raise the surface temperature of planets such as the Earth.

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Greenhouse gas emissions

Greenhouse gas (GHG) emissions from human activities intensify the greenhouse effect.

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Ground source heat pump

A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from the ground, taking advantage of the relative constancy of temperatures of the earth through the seasons.

See Variable renewable energy and Ground source heat pump

Habitat destruction

Habitat destruction (also termed habitat loss and habitat reduction) occurs when a natural habitat is no longer able to support its native species.

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Hedge (finance)

A hedge is an investment position intended to offset potential losses or gains that may be incurred by a companion investment.

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Hydro-Québec

Hydro-Québec is a Canadian Crown corporation public utility headquartered in Montreal, Quebec.

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Hydroelectricity

Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Variable renewable energy and Hydroelectricity are energy storage.

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Hydrogen

Hydrogen is a chemical element; it has symbol H and atomic number 1.

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Hydropower

Hydropower (from Ancient Greek -, "water"), also known as water power, is the use of falling or fast-running water to produce electricity or to power machines.

See Variable renewable energy and Hydropower

Ice storage air conditioning

Ice storage air conditioning is the process of using ice for thermal energy storage. Variable renewable energy and ice storage air conditioning are energy storage.

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List of energy storage power plants

This is a list of energy storage power plants worldwide, other than pumped hydro storage.

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Low-carbon economy

A low-carbon economy (LCE) is an economy which absorbs as much greenhouse gas as it emits.

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Manitoba

Manitoba is a province of Canada at the longitudinal centre of the country.

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Nameplate capacity

Nameplate capacity, also known as the rated capacity, nominal capacity, installed capacity, maximum effect or Gross Capacity, is the intended full-load sustained output of a facility such as a power station, Energy Information Administration.

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Nevada Solar One

Nevada Solar One is a concentrated solar power plant, with a nominal capacity of 64 MW and maximum steam turbine power output up to 72 MW net (75 MW gross), spread over an area of.

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Norway

Norway (Norge, Noreg), formally the Kingdom of Norway, is a Nordic country in Northern Europe, situated on the Scandinavian Peninsula.

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Operating reserve

In electricity networks, the operating reserve is the generating capacity available to the system operator within a short interval of time to meet demand in case a generator goes down or there is another disruption to the supply. Variable renewable energy and operating reserve are power engineering.

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Parabolic trough

A parabolic trough collector (PTC) is a type of solar thermal collector that is straight in one dimension and curved as a parabola in the other two, lined with a polished metal mirror.

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Peaking power plant

Peaking power plants, also known as peaker plants, and occasionally just "peakers", are power plants that generally run only when there is a high demand, known as peak demand, for electricity.

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Pondage

Pondage usually refers to the comparably small water storage behind the weir of a run-of-the-river hydroelectric power plant.

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Power-to-X

Power-to-X (also P2X and P2Y) are electricity conversion, energy storage, and reconversion pathways from surplus renewable energy. Variable renewable energy and Power-to-X are energy storage and power engineering.

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Primary energy

Primary energy (PE) is the energy found in nature that has not been subjected to any human engineered conversion process.

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Pumped-storage hydroelectricity

Pumped-storage hydroelectricity (PSH), or pumped hydroelectric energy storage (PHES), is a type of hydroelectric energy storage used by electric power systems for load balancing. Variable renewable energy and pumped-storage hydroelectricity are energy storage.

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Redundancy (engineering)

In engineering and systems theory, redundancy is the intentional duplication of critical components or functions of a system with the goal of increasing reliability of the system, usually in the form of a backup or fail-safe, or to improve actual system performance, such as in the case of GNSS receivers, or multi-threaded computer processing.

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Reliability engineering

Reliability engineering is a sub-discipline of systems engineering that emphasizes the ability of equipment to function without failure.

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Renewable energy

Renewable energy (or green energy) is energy from renewable natural resources that are replenished on a human timescale.

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Reservoir

A reservoir is an enlarged lake behind a dam, usually built to store fresh water, often doubling for hydroelectric power generation.

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Run-of-the-river hydroelectricity

Run-of-river hydroelectricity (ROR) or run-of-the-river hydroelectricity is a type of hydroelectric generation plant whereby little or no water storage is provided.

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Smart meter

A smart meter is an electronic device that records information—such as consumption of electric energy, voltage levels, current, and power factor—and communicates the information to the consumer and electricity suppliers. Variable renewable energy and smart meter are electric power distribution.

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Solar energy

Solar energy is radiant light and heat from the Sun that is harnessed using a range of technologies such as solar power to generate electricity, solar thermal energy (including solar water heating), and solar architecture. Variable renewable energy and solar energy are renewable energy.

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Solar power

Solar power, also known as solar electricity, is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Variable renewable energy and solar power are renewable energy.

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Solar power tower

A solar power tower, also known as 'central tower' power plant or 'heliostat' power plant, is a type of solar furnace using a tower to receive focused sunlight.

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Spark spread

The spark spread is the theoretical gross margin of a gas-fired power plant from selling a unit of electricity, having bought the fuel required to produce this unit of electricity.

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Stranded asset

Stranded assets are "assets that have suffered from unanticipated or premature write-downs, devaluations or conversion to liabilities".

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Synoptic scale meteorology

In meteorology, the synoptic scale (also called the large scale or cyclonic scale) is a horizontal length scale of the order of or more.

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The Washington Post

The Washington Post, locally known as "the Post" and, informally, WaPo or WP, is an American daily newspaper published in Washington, D.C., the national capital.

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Thermal energy storage

Thermal energy storage (TES) is the storage of thermal energy for later reuse. Variable renewable energy and thermal energy storage are energy storage and renewable energy.

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Tidal power

Tidal power or tidal energy is harnessed by converting energy from tides into useful forms of power, mainly electricity using various methods. Variable renewable energy and tidal power are renewable energy.

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Variable renewable energy

Variable renewable energy (VRE) or intermittent renewable energy sources (IRES) are renewable energy sources that are not dispatchable due to their fluctuating nature, such as wind power and solar power, as opposed to controllable renewable energy sources, such as dammed hydroelectricity or bioenergy, or relatively constant sources, such as geothermal power. Variable renewable energy and Variable renewable energy are electric power distribution, energy storage, power engineering and renewable energy.

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Vehicle-to-grid

Vehicle-to-grid (V2G) describes a system in which plug-in electric vehicles (PEVs) sell demand response services to the grid. Variable renewable energy and vehicle-to-grid are energy storage.

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Wide area synchronous grid

A wide area synchronous grid (also called an "interconnection" in North America) is a three-phase electric power grid that has regional scale or greater that operates at a synchronized utility frequency and is electrically tied together during normal system conditions.

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Wind power

Wind power is the use of wind energy to generate useful work. Variable renewable energy and wind power are renewable energy.

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Wind power forecasting

A wind power forecast corresponds to an estimate of the expected production of one or more wind turbines (referred to as a wind farm) in the near future, up to a year.

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References

[1] https://en.wikipedia.org/wiki/Variable_renewable_energy

Also known as Intermittent Power Sources, Intermittent energy, Intermittent energy source, Intermittent power source, Intermittent renewable energy, Intermittent renewable energy source, Intermittent renewable energy sources, Intermittent sources.

, Peaking power plant, Pondage, Power-to-X, Primary energy, Pumped-storage hydroelectricity, Redundancy (engineering), Reliability engineering, Renewable energy, Reservoir, Run-of-the-river hydroelectricity, Smart meter, Solar energy, Solar power, Solar power tower, Spark spread, Stranded asset, Synoptic scale meteorology, The Washington Post, Thermal energy storage, Tidal power, Variable renewable energy, Vehicle-to-grid, Wide area synchronous grid, Wind power, Wind power forecasting.