Blog Posts on Knowledge

Transmission Code

What is the Transmission Code? Definition The Transmission Code 2007 is a set of rules in which the four transmission system operators define the conditions to access the German electricity grid. It was first drawn up in 1998 by the Association of German Grid Operators (now "Forum Netztechnik/Netzbetrieb" as part of the VDE) in response More… (Published: 12. August 2020 by Marie Volkert)
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Cross-Border Interconnectors

What are Cross-Border Interconnectors? Definition To turn national electricity grids into a large European electricity market, the various national transmission system operators (TSOs) need transit capacity for cross-border electricity trade. These border connection points, also called cross-border interconnectors, enable TSOs at international level to transfer electricity from one national grid to another. Only cross-border interconnectors More… (Published: 23. June 2020 by Marie Volkert)
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What Is Sector Coupling?

What Is Sector Coupling? Definition Sector coupling has become kind of a buzzword in European energy businesses. Most commonly, it means replacing the traditional separation of the energy sectors of electricity, heating and cooling, transport and industrial consumption processes in favor of a holistic approach. Sector coupling aims at decarbonizing the national economy by converting More… (Published: 9. June 2020 by Christian Sperling)
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Balancing Services

What are Balancing Services? Definition Balancing Services are reactive short-term means to level out frequency deviations in the power grid. Balancing Services (sometimes also called control reserve) is one out of many ancillary services that system operators have to provide a secure power supply. Balancing Services includes Balancing Energy and Balancing Capacity. Balancing Energy means More… (Published: 20. May 2020 by Marie Volkert)
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Liberalization and Unbundling of Energy Markets

What does Liberalization and Unbundling of Energy Markets mean? Definition The liberalization of the energy market means the opening of the electricity and gas market to free competition. This has broken up existing monopolies and opened the market to more participants. In most cases, liberalization was accompanied by unbundling, which made a distinction between generation, More… (Published: 25. March 2020 by Marie Volkert)
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Artificial Intelligence

What is Artificial Intelligence in the Energy Industry ? Definition In recent years, Artificial Intelligence (AI) has gained relevance in a wide variety of sectors. However, defining the term poses some difficulties. Central to Artificial Intelligence is that it makes and implements decisions based on data (information) independently with regard to the set goals. The More… (Published: 11. December 2019 by Marie Volkert)
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Market Coupling

What is Market Coupling? Definition The term market coupling refers to the aim to form an interconnected (European) market for electricity. Market coupling is intended to link control areas and market areas in order to harmonize different systems of electricity exchanges and, in particular, to reduce price differences. This way, the electricity market is to More… (Published: 2. July 2019 by Marie Volkert)
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Power trading

What is Power trading? Definition Power trading refers to purchasing and selling power between participants in the energy industry . Various forms of power trading are possible depending on the market design, ranging from short-term trading to long-term power purchase agreements. History of power trading One of the earliest forms of an energy market emerged More… (Published: 30. April 2019 by Marie Volkert)
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PPA

What is a PPA (Power Purchase Agreement) ? Definition A Power Purchase Agreement (PPA) often refers to a long-term electricity supply agreement between two parties, usually between a power producer and a customer (an electricity consumer or trader). The PPA defines the conditions of the agreement, such as the amount of electricity to be supplied, More… (Published: 1. April 2019 by Nils Quak)
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Merit order

What does merit order mean? In the energy industry, the term ‘merit order’ describes the sequence in which power plants are designated to deliver power, with the aim of economically optimizing the electricity supply. The merit order is based on the lowest marginal costs. These are incurred by a power plant and refer to the More… (Published: 14. February 2019 by Nils Quak)
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