Gas Transmission System Operator of Ukraine, or LLC Gas TSO of Ukraine, [1] is the state owned company which operates the natural gas transmission system of Ukraine. [2] It is owned by the Ministry of Energy, [3] and is an observer at ENTSO-G. [4] Transmission system operation was unbundled from Ukrtransgaz in 2019. [5]
National Grid plc is a British multinational electricity and gas utility company headquartered in London, England. Its principal activities are in the United Kingdom, where it owns and operates electricity and natural gas transmission networks, and in the Northeastern United States, where as well as operating transmission networks, the company produces and supplies electricity and gas, providing both to customers in New York and Massachusetts.
A transmission system operator (TSO) is an entity entrusted with transporting energy in the form of natural gas or electrical power on a national or regional level, using fixed infrastructure. The term is defined by the European Commission. The certification procedure for transmission system operators is listed in Article 10 of the Electricity and Gas Directives of 2009.
Sempra is a North American public utility holding company based in San Diego, California. The company is one of the largest utility holding companies in the United States with nearly 40 million consumers. Sempra's focus is on electric and natural gas infrastructure and its operating companies include: Southern California Gas Company (SoCalGas) and San Diego Gas & Electric (SDGE) in Southern California; Oncor Electric Delivery Company in Texas; and Sempra Infrastructure, with offices in California and Texas.
Gasum Oy is a Finnish state-owned energy company operating in the Nordics. Gasum owns 18 biogas refineries in Finland, Sweden and Denmark, and is the largest processor of biodegradable waste in the Nordic countries. In addition, Gasum sells wind power and provides various energy market services. It is in the process of building a gas filling station network that will also serve heavy-duty vehicles.
Balticconnector is a bi-directional natural gas pipeline between Ingå, Finland and Paldiski, Estonia operated by Gasgrid Finland and Elering. It connects the Estonian and Finnish gas grids, and provides Finland with access to the Inčukalns underground gas storage facility in Latvia.
LitPol Link is an electricity link between Poland and Lithuania which connects the Baltic transmission system to the synchronous grid of Continental Europe. It has a capacity of 500 MW and since 2021 it can operate in a synchronous regime.
ENTSO-E, the European Network of Transmission System Operators for Electricity, represents 40 electricity transmission system operators (TSOs) from 36 countries across Europe, thus extending beyond EU borders. ENTSO-E was established and given legal mandates by the EU's Third Package for the Internal energy market in 2009, which aims at further liberalising the gas and electricity markets in the EU. Ukrainian Ukrenergo became the 40th member of the association on 1 January 2024.
The gas-fired Cuciurgan power station, the largest power station in Moldova, is located in Transnistria, on the shores of the Cuciurgan Reservoir bordering Ukraine. As of 2024 it generates over three quarters of Moldova's electricity. Commissioned in 1964, it formerly burned some coal and fuel oil.
Transgaz is a state-owned company, which is the technical operator of the national natural gas transmission system in Romania. The company handled in 2017 a quantity of 12.87 billion m³ of natural gas.
TenneT is a transmission system operator in the Netherlands and in a large part of Germany.
The New European Transmission System (NETS) is a project to unite Central and South Eastern Europe's natural gas transmission networks by creating a common gas transmission system operator (TSO). The project is foreseen to create a sizable and efficient regional gas market that significantly enhances gas supply security in the participating countries.
Ukraine extracts about 20 billion cubic meters of fossil gas each year, and since 2022 this has almost met demand. Ukraine has been estimated to possess natural gas reserves of over 670 billion cubic meters (in 2022), and gas is an important part of energy in Ukraine. In 2021, Ukraine produced 19.8 billion cubic meters (bcm or Gm3) of natural gas. To satisfy domestic demand of 27.3 bcm that year, Ukraine relied on gas imports (2.6 bcm) and withdrawal from underground storage (4.9 bcm). Winter demand can reach 150 mcm per day.
Nord Pool AS is a pan-European power exchange. Nord Pool has its main office in Oslo and further offices in Stockholm, Helsinki, Tallinn and London. The company is owned by the European exchange operator Euronext as well as TSO Holding, which represents the continental Nordic and Baltic countries' transmission system operators. Nord Pool has two subsidiaries, Nord Pool AB and Nord Pool Finland Oy.
Elering AS is a national transmission system operator for electricity and natural gas with headquarters in Tallinn, Estonia. The managing director of Elering is Taavi Veskimägi.
The European Network of Transmission System Operators for Gas (ENTSOG) is an association of Europe's transmission system operators (TSOs). ENTSOG was created on 1 December 2009 by 31 TSOs from 21 European countries. Creation of the ENTSOG was initiated by the adoption of the European Union third legislative package on the gas and electricity markets. It aims to promote the completion and cross-border trade for gas on the European internal market, and development of the European natural gas transmission network. According to the third energy package ENTSOG is required to develop an EU-wide ten-year gas network development plan.
Joint-stock company Ukrtransgas is an independent Storage System Operator of Ukraine that ensures the operation of Ukrainian underground gas storages, and carries out retrofit and construction of main gas pipelines and facilities on them. A sole shareholder of Ukrtransgas is NJSC Naftogaz of Ukraine.
Bord Gáis Energy is a utility company that supplies gas and electricity and boiler services to customers in Ireland. Bord Gáis Energy has been in operation in some form since 1976 and supplies over 750,000 customers with energy in Ireland. Since mid-2014 Bord Gáis Energy is also part of the British Centrica plc Group. Bord Gáis Energy has offices in Dublin and Cork as well as having boiler service technicians nationwide. Bord Gáis translates as "Gas Board", although it is now a private company limited by shares and part of Centrica plc, which also owns British Gas.
The natural gas transmission system of Ukraine is a complex of pipelines for import and transit of gas in Ukraine. It is one of the largest gas transmission systems in the world. The system is linked with natural gas transmission systems of Russia and Belaruson one hand, and with the systems of Poland, Romania, Moldova, Hungary and Slovakia on the other hand. The system is owned by Government of Ukraine and operated by Gas Transmission System Operator of Ukraine. Some local transmission lines together with distribution sets are owned by regional gas companies.
The Commission for Regulation of Utilities, formerly known as the Commission for Energy Regulation, is Ireland's energy and water economic utility regulator.