Statnett

Statnett is a Norwegian state-owned enterprise responsible for owning, operating, and constructing the transmission grid in Norway, serving as the system operator of the Norwegian power system and maintaining the balance between consumption and production. As a key player in Norway's green transition, Statnett is owned by the Norwegian state through the Ministry of Petroleum and Energy and plays a crucial role in the country's national emergency preparedness.

In the HVDC sector, Statnett operates international interconnections linking Norway's power system with neighboring countries including Finland, Sweden, Russia, Denmark, the UK, and the Netherlands, facilitating cross-border electricity exchange and supporting the integration of renewable energy.

Universidade Federal Fluminense (UFF)

Founded in 1960, Universidade Federal Fluminense (UFF) is a large, public university in Brazil, headquartered in Niterói with campuses spread throughout Rio de Janeiro state and even an outpost in the Amazon. It is known for its academic excellence, broad social impact, and innovation, offering a wide range of undergraduate and graduate programs to over 50,000 students and consistently ranking among the top Brazilian universities.

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UFF contributes to the research and development of High Voltage Direct Current (HVDC) technologies through its Postgraduate Program in Electrical and Telecommunications Engineering, as well as the Research Group for Technological Innovation in Electrical Engineering (Núcleo e Inovação Tecnológica em Engenharia Elétrica, NITEE)

Sumitomo Electric

Sumitomo Electric Industries, Ltd. is a global manufacturer of high voltage cables with a history dating back to 1921 when they installed the world's longest submarine cable at that time. The company has manufactured and installed over 6,000km of submarine cables and leads in high voltage XLPE cable development for both AC and DC applications.

In the HVDC sector, Sumitomo Electric has developed and commercialized 500kV MI and 400kV XLPE cable systems, with their HVDC XLPE cable enabling polarity reversal operations and higher operational conductor temperatures (90°C). In 2019, they successfully commissioned the world's first DC High Voltage XLPE Cable system (400kV) in the UK-Belgium Link, and recently secured an HVDC cable framework contract from National Grid UK to deliver future HVDC subsea power cables projects.

Terna

Terna is the largest independent electricity transmission grid operator in Europe, managing Italy’s high and extra-high voltage grid and playing a central role in the country’s power transmission and energy transition. The company oversees the operation, maintenance, and development of a vast network of lines and substations, and also provides specialized engineering and digital services to third parties.

In the HVDC sector, Terna is responsible for the development, construction, and operation of major high-voltage direct current interconnections in Italy, facilitating reliable, long-distance power transfers and enabling cross-border electricity exchanges that support renewable integration and grid stability.

Chantiers de l'Atlantique

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Chantiers de l'Atlantique is a world-leading shipyard based in Saint-Nazaire, France, specializing in the design, construction, and turnkey delivery of highly complex ships—including cruise and navy vessels—as well as offshore installations such as electrical substations for wind farms. With over 160 years of history, the company is recognized for its innovation, technical expertise, and commitment to sustainable development, supporting both civil and military clients throughout the life cycle of their ships.

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In the field of high-voltage direct current (HVDC) technology, Chantiers de l'Atlantique is part of a consortium with Hitachi Energy that has secured a €4.5 billion contract to build three offshore HVDC platforms and three onshore converter stations for major French offshore wind farms, enabling the integration of more than 3.5 GW of renewable energy into the national grid. To support this large-scale project, the company is doubling its production capacity for electrical platforms and investing nearly €100 million in expanding its industrial facilities

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Trench Group

Trench Group is a global leader in power engineering, specializing in the design and manufacturing of high voltage electrical products such as bushings, instrument transformers, and coils for utility and industrial customers worldwide. With over 100 years of experience and a strong presence through nine factories and four regional hubs, the company is recognized for its innovation and commitment to sustainability in the energy transmission market.

In the HVDC sector, Trench Group supplies essential high-voltage components like instrument transformers and bushings, supporting reliable and efficient operation of high-voltage direct current transmission systems.

Elia Transmission Belgium

Elia Transmission Belgium is the Belgian transmission system operator responsible for managing the high-voltage electricity grid, ensuring reliable electricity transmission from producers to distribution system operators and major industrial users. Based in Brussels, Elia operates both in Belgium and Germany, overseeing the balance between electricity production and consumption, maintaining grid infrastructure, and facilitating cross-border electricity trading.

Elia is active in high-voltage direct current (HVDC) infrastructure, particularly through its offshore grid and interconnection projects, which use HVDC technology to support integration of renewable energy and facilitate electricity exchange with neighboring countries.