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Hitachi Energy
Hitachi Energy
Hitachi Energy is a global technology leader in electrification, driving a sustainable energy future with advanced power grid solutions and digital technologies. Headquartered in Switzerland, the company employs over 50,000 people across 60 countries and is investing billions to scale its R&D, manufacturing, and engineering capabilities.
Hitachi Energy is a major player in high-voltage direct current (HVDC) technology, delivering large-scale transmission systems that connect renewable energy sources to power grids worldwide, including recent milestone projects in India, the United States, and multi-terminal HVDC links in Europe and Australia.
Hitachi Energy
ElectroBras
Eletrobras
Eletrobras (Centrais Elétricas Brasileiras S.A.) is the leading electricity generation and transmission company in Brazil and the largest utility in Latin America, responsible for more than 22% of Brazil’s generation capacity and managing nearly 38% of the country’s transmission network. Founded in 1962 and now a publicly traded company, Eletrobras operates a predominantly renewable energy portfolio, with the vast majority of its power generated from low-emission sources such as hydro, wind, and solar.
Eletrobras is a key player in high-voltage direct current (HVDC) transmission in Brazil, participating in major HVDC projects that are integral to the country’s long-distance, high-capacity power transmission infrastructure.
ElectroBras
System Operator for Northern Ireland
System Operator for Northern Ireland (SONI)
System Operator for Northern Ireland (SONI) is the electricity transmission system operator responsible for operating, developing, and planning the grid in Northern Ireland. SONI ensures the safe, secure, and reliable flow of power from generators to consumers, balancing supply and demand in real-time while supporting the region’s transition to cleaner energy.
In HVDC (High Voltage Direct Current) activities, SONI is involved in planning and operating cross-border interconnection infrastructure, which supports grid stability and facilitates efficient electricity transfer between Northern Ireland and neighboring regions.
System Operator for Northern Ireland
KEPCO
KEPCO
KEPCO (Korea Electric Power Corporation) is the largest electric utility in South Korea, responsible for the generation, transmission, and distribution of electricity nationwide, as well as the development and management of power projects including nuclear, wind, and coal. Through its subsidiaries, KEPCO supplies about 96% of Korea's electricity and is recognized globally for its operational scale and technological innovation.
KEPCO is actively involved in the research, development, and deployment of advanced transmission technologies such as HVDC (High Voltage Direct Current), which supports long-distance and efficient bulk power transmission as part of their broader smart grid and infrastructure initiatives.
KEPCO
Augstsprieguma tīkls
Augstsprieguma tīkls
Augstsprieguma tīkls AS (AST) is the independent electricity transmission system operator for Latvia, overseeing the national power grid infrastructure at 110 kV and above. The company is responsible for the operation, maintenance, and development of Latvia’s high-voltage transmission network, ensuring the security and reliability of electricity supply for the country.
In relation to HVDC, AST plays a key role in cross-border power transmission by operating interconnections that support Latvia’s integration in the regional and European electricity markets, and participates in major synchronization projects, such as connecting the Baltic power grid with Continental Europe, which includes both AC and HVDC components.
Augstsprieguma tīkls
Siemens Energy
Siemens Energy
Siemens Energy is a global energy technology company headquartered in Munich, Germany, operating in over 90 countries and employing around 100,000 people. The company delivers products and services across the energy landscape, including power generation, renewables, transmission, industrial electrification, and storage, with a mission to support the energy transition towards a more sustainable and reliable energy system.
In HVDC (High Voltage Direct Current), Siemens Energy develops and supplies advanced transmission solutions and equipment, playing a key role in enabling efficient long-distance electricity transmission and integrating renewable energy into modern power grids.
Siemens Energy
Redes Energéticas Nacionais
Redes Energéticas Nacionais (REN)
Redes Energéticas Nacionais (REN) is a Portuguese company responsible for the concession, planning, construction, operation, and maintenance of Portugal’s primary energy infrastructure networks, specifically the National Electricity Transmission Grid and the National Natural Gas Transportation Grid. REN also manages LNG storage and regasification facilities, provides specialized engineering and technical services, and engages in telecommunications operations.
In terms of HVDC (high-voltage direct current), REN is involved in the development, operation, and management of very high-voltage electricity transmission projects, which may include HVDC technologies as part of their national grid infrastructure and interconnections, although most public references specify their overarching role in high-voltage transmission rather than dedicated HVDC projects.
