Energy transition Contributors Debates Glossary Stories Media Our Offer EN Select your language Italiano English Español Portugués (BR) Glossary Do you know what a wind turbine nacelle is? What do we mean by fuel switching and what does the acronym CSV mean? We’ll guide you through the new world of energy using terminology that’s easy for everyone to understand. Here’s a glossary with all the words you need to know, including the technical ones. A B C D E F G H I J K L M N A Additional Capacity Capacity relating to new plants, both consolidated or managed, or the increases in the capacity of existing plants via technological development work. Additional capacity is declared when the first circuit of a plant is connected to the grid and begins producing energy and all the components of the plant are electromechanically complete. Appears in How Enel Green Power is breaking records Global Wind Day: the wind of the future will lead the Green Recovery Alternator A device that converts the mechanical energy created by the rotating element of a turbine into electric power Appears in Hydroelectric plants Interactive Plants: Much More than a Guided Tour! The Project Kicks off in Trezzo sull’Adda Geothermal plants Arch dam A convex-shaped dam, generally built to dam narrow valleys or gorges that have rocky sides or other stable natural walls. Appears in Dams Asset development Amount of resources that a company invests for the construction of new plants, for increasing installed capacity or improving the efficiency of existing plants. B BESS-Battery Energy Storage Systems A group of devices, equipment, management and control logic capable of storing electric power so that it can later be fed into the grid. It allows solar and wind power plants to overcome their intrinsic limitations in terms of flexibility and dispatching. Appears in Corporate RE procurement: three trends to watch A future generated by renewables is closer than ever Biomass Collective term for organic matter that can be used to generate electricity, transformed into fuel or used directly to produce heat. It comes primarily from industrial and urban waste, from energy crops, and from biological products, waste and residues generated by farming, forestry or related industries. It's generally considered a renewable energy source since, unlike fossil fuels, the sources from which it is obtained are produced continuously. Appears in Energy, resources and consumption: the future is circular Innovating geothermal: Sara Montomoli elected Vice President of the European Platform ETIP-DG C Capacity Auction or Capacity Market A new market created to guarantee long-term price signals and sufficient reliable capacity consistent with decarbonization goals. The mechanism introduces supplementary payment for suppliers of capacity who commit to maintaining and to making their capacity available to the electricity system, if required. Appears in Italy: EGP wins a contract in third renewables tender CaPex Coverage Ratio Ratio in percentage between the discounted positive margin generated by the investment in a regulated or risk-free system and the total investment made; it provides a measure of the investment’s exposure to risk on returns relating to fluctuations in market prices. Carbon policy A group of policies designed to support the changes the energy sector must make to achieve carbon dioxide emission reduction targets, while simultaneously guaranteeing affordable, reliable energy to consumers. The most commonly adopted market mechanisms are Emissions Trading Schemes (ETS) and carbon taxes. Carbon tax Tax levied on fossil fuels on the basis of their carbon dioxide emissions into the atmosphere, the aim of which is to contribute to reducing such emissions. Coal phase-out The phase-out of a coal-powered station is always gradual. It is measured with an indicator that represents the evolution of the installed capacity of the plant and provides evidence of its progressive phase-out. When the station ceases to operate, the corresponding capacity is subtracted from the balance sheet. Appears in Accelerate renewables and close coal-fired plants: the energy transition track COD (Commercial Operating Date) During the process of building a power station, this is the date in which the latter starts being paid for the electricity it produces. Appears in Physical PPA Commercial & Industrial (C&I) Customers Commercial and industrial companies of medium or large size. "Industrial" refers to any enterprise that deals with the production of goods, while "commercial" refers to any enterprise that purchases goods or services from another entity for commercial purposes. Appears in Ten Years of Renewables and We’re Just Getting Started The Wells Fargo Center: 100% renewable energy Commissioning The process at the end of the construction of a power station which includes activities necessary to guaranteeing that all the station’s components, machinery and systems are working correctly and are capable of doing so safely and efficiently under normal operating conditions. Appears in Coronavirus Emergency: our power hasn’t stopped Consolidated Installed Capacity The maximum power deliverable by generation plants, controlled by an energy company (de jure or de facto) and which it thus consolidates from an economic and financial perspective. Consolidated net production The electricity generated by the plants net of grid losses and consumption relative to auxiliary services within the perimeter of companies whole or partially consolidated by an energy company. Consolidated Renewable Capacity/Total Capacity The ratio of the Installed Capacity of Power Plants that produce energy from renewables (hydroelectric, wind, solar and geothermal) to the total Installed Capacity of renewable, thermoelectric and nuclear power stations. The trend provides evidence of a gradual shift in the asset portfolio towards a predominance of renewable sources. Control Room A room from which one or more plants spread over an area are centrally monitored and controlled. Appears in Control Rooms: Digitalization and Innovation for remote centers of excellence EGP's New Control Room Inaugurated in Santiago de Chile From power plants to grids: the digitalization of energy Corrective maintenance A type of maintenance based on repairing faults when they occur. It cannot be planned but depends on when the fault that needs to be repaired occurs. Depending on the component involved, it may be necessary to shut down the plant, thereby causing production losses. CO2 footprint The average amount of CO2 that power stations emit into the atmosphere to produce one unit of energy (1 kWh). Appears in Enel Green Power is betting on green hydrogen to speed up the energy transition Green energy procurement: the new corporate sustainability watchword CSV (Creating Shared Value) A business model through which it is possible to create economic value for both the business and its stakeholders by producing a benefit for society and the environment. Appears in The Sustainable Plant one year on: a strategic model for the entire EGP value chain Chile, the testing ground for the energy transition Delivering shared value along with renewable energy: the Premium Offer D Data-Driven Asset Indicates the percentage of power plants (in terms of total installed capacity) that are equipped with sensors and software that enable the use of information for digitalized, remote or automated plant management. Decommissioning A group of operations that remediate, dismantle and remove the structures and components of a power station at the end of its working life. Appears in World Environment Day: our projects for Nature DinoTail A device installed on the blades of wind turbines to reduce the noise they produce: the name describes its shape, which recalls the serration of a dinosaur tail. Appears in Frequently asked questions on wind energy Dispatchable or Plannable Generation Sources of electricity that can be used on demand and dispatched at the request of grid operators to meet market needs. Plannable generators can be turned on or off or can adjust their power output according to an order. Appears in Decarbonization – how to transition from fossil fuels to renewables Distribution The final phase of the process of delivering electricity to the end user after generation and transmission. Appears in FAQ Dry steam geothermal plant A system that is more complex and powerful than a flash steam geothermal plant (see definition), using high-temperature, high-pressure steam to produce energy: in this case the steam is sent directly to the turbine. E EBITDA/CAPEX Ratio of average EBITDA (Earnings Before Interest, Taxes, Depreciation and Amortization) generated by an investment project in the first five years after final delivery, and the relevant investment involved. It provides evidence of profitability of the investment in short/medium term. EBITDA Growth EBITDA relating to generation plants that went into operation as part of the plan. Electricity system All the components deployed to produce, transmit, distribute and sell electricity. This includes power generation and storage facilities, transmission and distribution grids and all the related infrastructure. Appears in From power plants to grids: the digitalization of energy Power to charge up the energy transition Electrolysis A chemical process that uses electricity to break down a substance into its constituent elements. Electrolysis can be used to produce green hydrogen by coupling an electrolyser with a renewable energy plant. Appears in IRENA: the appointment of Silvia Piana brings EGP onto the Steering Group of the Coalition for Action Energy balance The balance between the inward and outward energy flows of a facility or geographical area; it can include the production, import, export, purchase, sale, transportation, transformation and consumption of energy. Appears in All the advantages of hydroelectric energy Geothermal energy in Italy: where and how it is produced All the advantages of geothermal energy Energy carrier Substance or phenomenon (energy system) that contains energy produced from primary sources that can subsequently be converted to other forms, even at a later time or in another location. An example is hydrogen which, unlike raw materials such as fossil fuels, isn't naturally available: it needs to be produced using industrial processes and then stored and transported via pipelines or in tanks before it can be used for various purposes. Appears in Renewable energies for zero-emissions hydrogen: Enel’s newest challenge Energy grid The infrastructure used to transport energy from where it is produced to the final consumers. In the case of electricity, the classic structure includes two grids: the first is the transmission grid, which transports high-voltage electricity from the generation facilities to the primary substations; from here the second, or distribution, grid transports the medium-voltage electricity to the secondary substations and then, at a low voltage, to the final customer. Energy intensity Parameter which measures the energy efficiency of the economy of a country or geographical area: it is the ratio between the gross energy consumption and the gross domestic product (GDP). In other words, it indicates the quantity of energy consumed for each unit of GDP generated. Appears in A green recovery leading the way to a new world Energy transition An energy paradigm revolution. In the case of the current energy transition, this means the transition from non-renewable energy sources to renewable sources, and it is part of the wider transition to sustainable economies through the use of renewables, and the adoption of energy-saving and sustainable development techniques. Appears in Chile, the testing ground for the energy transition In Uganda, renewables are making the future brighter for many young patients Energy KPIs Key Performance Indicators (KPIs) relating to a company operating in the energy sector: for example, electricity production, carbon dioxide emissions, the percentage of electricity generated from renewable sources, and the internal consumption of energy and water. Appears in The Sustainable Plant one year on: a strategic model for the entire EGP value chain Delivering shared value along with renewable energy: the Premium Offer World Environment Day: our projects for Nature Engineering Procurement & Construction (EPC) contract A contract regulating the relationship with a single supplier that provides the engineering, procurement of materials and construction services, required to build a power station. Extraction well A well, sunk into the ground in order to extract steam for the production of geothermal energy. Appears in Geothermal plants F Feed-In Premium (FIP) A price-based incentive mechanism for renewable energies, thanks to which the producer is awarded a pre-established premium on the market price of energy. The payment of this premium is guaranteed for a period of time and is linked to the economic life of the relevant renewable project. Feed-In Tariff (FIT) A price-based incentive mechanism for renewable energies, which grants the producer an "all-inclusive tariff." The payment of this tariff is guaranteed for a period of time linked to the economic life of the relevant renewable project. Flash steam geothermal plant A power plant, usually of small dimensions, that extracts fluid composed of water and steam from an extraction well: the steam is separated from the water in a specific device, and channeled to a turbine to produce energy. Flowing water hydroelectric plant A plant that converts the potential and kinetic energy of water into electric power using a hydraulic turbine. Its power depends on the so-called drop or height difference between two levels in a water course. It uses the natural power of a water course and thus its electric power production cannot be planned. Appears in Hydro: new life for power plants, and new energy How much hydroelectric energy is produced in Italy and where HYPER: Hydropower’s Efficiency Revolution Free Cash Flow to Equity/Equity The ratio between the cash flow generated by the investment project available to shareholders (on average for the first 5 years) and the capital contributed by shareholders to the project. It highlights the profitability of the investment in the short/medium term. Fuel switching The replacement of coal-fired capacity with other less polluting and more sustainable energy sources, such as gas. Full Production This is declared once a plant has been built and is connected to the grid and is able to produce electricity. This is after the completion of reliability tests and the meeting any contractual obligations or grid requirements. G Gasification One of the main traditional processes capable of producing hydrogen by transforming a solid or liquid fuel into gas. This is done at high temperatures (of over 1000 °C) and results in the creation of a fuel gas mixture known as SynGas or Synthesis Gas, consisting primarily of carbon monoxide and hydrogen. Generator A device that converts various forms of energy – mechanical, chemical, light or thermal – into electricity. Generators include dynamos, for the production of direct current (DC), and alternators, capable of generating alternating current (AC). Appears in Hydro: new life for power plants, and new energy EGP’s Marine Energy in Naples Geothermal fluid The mix of gas and steam extracted from wells for the production of geothermal energy. Appears in Geothermal energy in Italy: where and how it is produced Geothermal plants Geothermal plant A plant that conveys the water vapor from the subsoil to special turbines that converting the thermal energy produced by the Earth's heat into electrical energy. Appears in Chile, the testing ground for the energy transition Geothermal energy in Italy: where and how it is produced All the advantages of geothermal energy Geothermal pool A natural reservoir resulting from the outflow of hot water from below ground; a geothermal pool is normally not large and is characterized by high concentrations of mineral salts. Appears in Geothermal energy in Italy: where and how it is produced Gravity dam A type of dam that generally has a triangular or trapezoid-shaped vertical cross section and a straight, or sometimes curved, horizontal cross section. The stability and resistance of the dam to the pressure of the water solely relies on the weight of the construction. Appears in Dams Greenhouse gases Gases which cause a greenhouse effect within the earth's atmosphere and are therefore responsible for global warming and climate change. The most damaging are carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), sulfur hexafluoride (SF6), hydrofluorocarbons (HFCs) and fluorocarbons (PFCs). Appears in ORANGE.BAT, green hydrogen for sustainable ceramics The Chiusdino power plant: a sustainable model from the heart of the Earth Green hydrogen Hydrogen produced via the electrolysis of water in which the electricity used in the process is derived from renewable sources. Appears in Energy that rides on the ocean waves Chile, the testing ground for the energy transition ORANGE.BAT, green hydrogen for sustainable ceramics GW Unit of measurement for power, equivalent to 1,000 MW, i.e. a billion watts. Appears in Frequently asked questions about hydroelectric Chile, the testing ground for the energy transition H Heterojunction Technology (HJT) Solar panel production technique that's considered to be one of the most efficient, both in terms of the energy required for their production and in terms of their energy performance. It involves producing panels consisting of overlapping layers of materials with different characteristics (for example, one layer of crystalline silicon and one of amorphous silicon). The heterojunction is the interface between one layer and another. Appears in More efficient photovoltaics: EGP leads the PON BEST4U project New efficiency record for the innovative solar cells produced by 3SUN based on heterojunction technology High-enthalpy (or traditional) geothermal The production of energy from the Earth’s heat in volcanic or tectonic zones, where temperatures are in excess of 150 °C. Appears in EGP starts construction of 33 MW expansion of Cerro Pabellón geothermal plant Hybrid power plants Power plants which produce electricity from two or more different sources, which can be either renewable or non-renewable. Appears in Accelerate renewables and close coal-fired plants: the energy transition track Hydraulic turbine Mechanical device that converts the kinetic and potential energy of a liquid into mechanical power. Appears in All the advantages of hydroelectric energy The Algorithm Making Water More Efficient I Intergovernmental Panel on Climate Change (IPCC) International body established in 1988 by the World Meteorological Organization (WMO) and the United Nations Environment Programme (UNEP) to assess the current scientific knowledge on climate change and its potential impacts. Compare in The climate crisis: the causes, the effects and the solutions Global Action in the Fight against Climate Change: Low Carbon Policy Brief Inverter A device that converts continuous current (CC) to alternating current (AC). For instance, it is used to convert continuous current from photovoltaic panels to alternating current to be fed into the grid. Appears in EGP Beyond 2018: Full Speed Ahead for a Sustainable Future thanks to renewable energies Solar energy Installed capacity The authorized maximum amount of power a power plant can produce. Appears in Renewable energy in Italy: what kinds are out there, how much is produced, and how widespread is it Frequently asked questions about hydroelectric IRR (Internal Rate of Return) A discount rate that makes the net present value (NPV) of an investment equal to zero. It provides a measure of the profitability of an investment compared to the internal cost of capital. J Joule Unit of measurement for energy defined as the work done to produce one watt of power for one second. Just Transition Energy transition towards a system based on renewable sources done in a way that's fair to everyone, therefore taking into consideration jobs, the security of energy supplies and a fair distribution of the costs associated with the transition. Appears in A just transition for all A Just Transition, so that nobody is left behind K Kaplan turbine One of the main water turbine models. Developed in 1913 by the Austrian engineer and inventor Viktor Kaplan, it is particularly useful when the water flows down modest gradients and is also suitable for very high water flow rates. Appears in The Algorithm Making Water More Efficient L LCA (Life-Changing Accident) An accident with permanent consequences that interfere with the day-to-day life of the victim or reduce their life expectancy. LCOE (Levelized Cost of Energy) Cost of producing 1 MWh of electricity, a competitiveness index for generation plants. Appears in Projects and Collaborations Renewable energy in Italy: what kinds are out there, how much is produced, and how widespread is it 30 years harnessing the power of the wind Low-enthalpy geothermal The production of energy for heating and cooling purposes using the Earth’s natural heat, via probes sunk into the ground and connected to a heat pump. Appears in Renewable energy in Italy: what kinds are out there, how much is produced, and how widespread is it All the advantages of geothermal energy Renewables for the energy transition M Managed installed capacity The maximum authorized power from both consolidated and unconsolidated generation plants, which are managed/operated by an energy company through partnership agreements or asset management contracts. Monoaxial trackers Support structures on which the solar panels are placed: they move in order to follow sun exposure every day, on a horizontal rotation axis. Appears in Solar energy MW Unit of measurement for power, equivalent to a million watts. Appears in Hydro: new life for power plants, and new energy N Non-dispatchable or Non-Plannable Generation Electricity sources that cannot be turned on or off to meet fluctuating energy requirements. This type of generation is often highly intermittent, which means that it is not continuously available because of non-controllable factors (e.g. weather). Appears in Decarbonization – how to transition from fossil fuels to renewables RES4Africa together with EGP for the development of renewable energy in Zambia O Offshore (plant) Power plant located offshore and mounted on purpose-built structures which are either floating or fixed to the seabed. Appears in Renewables for the energy transition Hellenic Cables secures 100% renewable electricity for its plants Onshore/offshore wind power A plant that turns the kinetic energy of the wind into electricity. The term onshore refers to wind farms on land while offshore means wind farms built on open water, generally at sea or on the ocean. Appears in 30 years harnessing the power of the wind OPEX Operating expenditure or costs involved in running the business. Appears in Cleaning of solar panels: the EGP solution against soiling impact in photovoltaic systems P Payback period The number of years it will take for positive flows from an investment to compensate for outgoings sustained. It indicates the riskiness of a project solely in terms of time. Photovoltaic panel A device consisting of photovoltaic modules, which in turn are made of photovoltaic cells. The cells convert solar radiation into electric power using the photoelectric effect and are the basic components of a photovoltaic power plant. The most common type of cell is made from crystalline material with a layer of semiconductor material, most often silicon. There are also amorphous silicon cells. Appears in Cleaning of solar panels: the EGP solution against soiling impact in photovoltaic systems Photovoltaic (PV) plant A plant consisting of a series of modules that convert the sun's radiation into electrical energy through the photovoltaic effect. There are two main types of photovoltaic plant: stand-alone, which isn’t connected to a grid and uses the energy produced on site, and "grid-connected". Appears in Land use, habitat and RE: Enel Green Power steps up for sustainability Agrivoltaics, new sustainable solutions at the local level Pipeline A group of projects that have been authorized by the Screening Committee and satisfy the project’s set of maturity criteria which are defined according to technology and country. Appears in Hydro: new life for power plants, and new energy Green light to green jobs in Italy Enel Green Power is betting on green hydrogen to speed up the energy transition Power Purchase Agreement (PPA) A contract between an electricity user or corporate client and an electricity producer for the sale of electricity at a pre-established price and for a pre-established period of time. The contract lays out the commercial conditions for the sale of electricity: duration of the contract, delivery point, date/time of delivery, volume, price and energy source. Appears in Corporate RE procurement: three trends to watch Going green through renewables: a quick guide for corporates Sustainability is the new normal Predictive maintenance The group of operations that can predict when a particular machine or piece of equipment is developing a defect before it results in a fault. It requires detailed knowledge of the machinery, techniques and instruments used for this task. It enables the early prediction of faults thereby reducing related production losses and avoiding unnecessary corrective and/or preventative operations. Appears in PresAGHO is a new predictive maintenance model for hydroelectric power plants Geothermal energy and predictive maintenance: the latest innovation from EGP From power plants to grids: the digitalization of energy Preventative/planned maintenance Planned maintenance work to review, replace or repair machinery or equipment at the plants before faults develop. The schedule is designed to minimize production losses arising from any halts in generation. Appears in How Enel Green Power is breaking records The new normal Pumped storage hydroelectric plant (see Storage hydroelectric plant) Appears in How much hydroelectric energy is produced in Italy and where Pumped storage plant A type of hydroelectric power station with a lower as well as an upper storage pool or reservoir: the water that generated electricity during the day is stored in the lower storage pool or reservoir and can then be pumped back up to the upper storage pool at a time of day when energy demand is lower (for instance, at night). This means the water that is pumped back up using power can be reused to generate energy at peak demand times. This enables users to take advantage of price differences and provide services grid stabilization services. Appears in Hydroelectric: an established sector that continues to break new ground R Refurbishment Renovation, restructuring and efficiency activities for a power plant in order to optimize production. Appears in Hydro: new life for power plants, and new energy Italy: EGP wins a contract in third renewables tender Regulated energy auctions Auctions for the sale and purchase of long-term electric power, typically developed by distribution companies who purchase electricity on behalf of regulated users. In some cases, they can also extend to consumers or free customers. Reinjection well A well that returns the water discharged from a geothermal plant to its original geothermal reservoir. Renewable energy sources Energy sources which are continuously replenished. They include the sun, the wind, water and geothermal resources, biomass and the sea. Appears in How Enel Green Power is breaking records How much hydroelectric energy is produced in Italy and where Repowering Process which involves carrying out activities to prolong the useful life of a power plant and improve its efficiency, particularly through the introduction of new technologies. Appears in Hydro: new life for power plants, and new energy Hydroelectric: an established sector that continues to break new ground Italy: EGP wins a contract in third renewables tender RES Acronym for “Renewable Energy Sources”. Appears in Come si raggiunge un record di energia rinnovabile in Enel Green Power How much hydroelectric energy is produced in Italy and where Reservoir fill time At a hydroelectric plant, this term refers to the length of time required for a reservoir to collect a volume of water sufficient to reach useful capacity, i.e. the volume of water needed for the plant to operate normally. Appears in How much hydroelectric energy is produced in Italy and where S Solar collector A technical term that refers, in solar thermodynamic power plants, to the solar panels that convert solar energy into thermal energy. Solar updraft tower A structure that produces electric energy from the natural upward movement of hot air: it is composed of a collector at the base that collects hot air, a tower from which the air emerges, and turbines situated between the tower and the collector. Start of Construction (SoC) In the process of building a plant, this is the date on which the building site formally opens for construction work. Station availability The percentage of time during which a power station is capable of generating electricity in the reference period analysed. Appears in Less water consumption means more benefits for all Steam pipe At geothermal plants, the various pipes that transport steam generated from the Earth to the turbine. Appears in Geothermal plants All the advantages of geothermal energy Storage Electricity storage system which makes it possible to store electricity until it is required; it's a particularly important technology for intermittent energy sources such as the sun and the wind. The most utilized storage systems are pumped-storage hydroelectricity facilities, but the battery market is growing rapidly. Appears in Africa’s untold story: how the digital revolution is also helping renewables Decarbonization – how to transition from fossil fuels to renewables Renewables in Portugal: back to the future Storage hydroelectric plant Energy is generated by a plant which has an upper storage reservoir. The flow of water and the electrical power produced by it can both be regulated. Appears in How much hydroelectric energy is produced in Italy and where Sustainable Development Goals (SDGs) The 17 Sustainable Development Goals established in 2015 by the United Nations to guarantee future peace and prosperity for humanity. They cover a range of different areas, such as ending hunger around the world, gender equality, climate protection and clean energy for everyone. Appears in In Australia, we support the race to protect biodiversity In Africa, Enel Green Power’s Energy Contributes to Healthcare T Tango This term, which has become part of the language, refers to a type of technology used in the production of photovoltaic panels that pairs two different simple photovoltaic cells capable of turning solar radiation of different wave lengths into electricity: e.g. HJT and thin-film perovskite. Appears in More efficient photovoltaics: EGP leads the PON BEST4U project Thin Film In photovoltaic panel production, thin film modules are made by depositing a thin layer of semiconductor material on a glass or plastic substrate. Appears in 3SUN: A new production line of HJT photovoltaic panels inaugurated Tracker An automatic mechanical device that reduces the angle of incidence between a photovoltaic panel and the oncoming sunlight, thereby increasing the power of the solar radiation picked up by the panel and thus the amount of energy produced by it. Appears in Agrivoltaics, new sustainable solutions at the local level Solar energy, the innovation of EGP Transformer An electric device used to transfer electric power at different voltage levels. Appears in From education to biodiversity: lessons in sustainability at Moldova Nouă Geothermal plants Transmission The act of transporting electric power on a high and very high voltage interconnected transmission network with the aim of delivering it to end users in high voltage form and to distributors. Appears in From power plants to grids: the digitalization of energy TWh Unit of measurement for energy, equivalent to 1,000 GWh, i.e. a billion kWh. Appears in Renewable energies for zero-emissions hydrogen: Enel’s newest challenge In the United States: a range of bold actions for sustainable development U Unitary Energy Gross Margin The ratio of Gross Margin (proceeds from energy production and other proceeds from non-core activities net of variable costs) and consolidated net production. W Watt (W) International System unit of measure of power. Multiples of Watts are: kW (103W), MW (106W), GW (109W) and TW (1012W). Appears in Turns out: the energy transformation can learn much from Covid-19 Watt-Hour (Wh) A unit of measure commonly used to measure electricity and defined as the total power supplied when one Watt of power is maintained for an hour. Multiples of Watt-Hours are: kWh (103Wh), MWh (106Wh), GWh (109Wh) and TWh (1012Wh). Appears in How much hydroelectric energy is produced in Italy and where Geothermal energy in Italy: where and how it is produced Wind turbine Electromechanical device capable of converting the kinetic energy of the wind (wind power) into electricity. Appears in New life and new materials: the challenge of innovation and sustainability for wind power New life for wind turbine blades: a sustainable challenge for Enel Green Power Wind turbine nacelle Part of a wind turbine located at the top of the tower: it's secured to the rotor. It contains the mechanisms for transforming wind energy into electricity. There are also control systems mounted on top to monitor the generator's operating parameters. Appears in Work in the wind power sector: The Accademia del Vento’s first courses have started in Rome The winds of innovation are blowing in Italy Wind turbine rotor The heart of the wind turbine, composed of a hub to which the rotor blades are attached. Appears in Wind turbine Who we are Learning hub Projects Areas News & Stories Our Offer Careers Contacts Group websites Enel Enel X Enel Global Trading Enel Open Innovability® Enel Startup Enel Global Procurement Enel Foundation Enel Cuore Ethica Channel Credits Legal Privacy Policy Cookie Policy English © Enel Spa All Rights Reserved | Enel Green Power S.p.A. VAT 15844561009 Enel Green Power S.p.a uses cookies and similar technologies to improve your online experience on our site, measure the site’s performance and optimize its functionality. 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