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RTE International
RTE International
RTE International is a leading consultancy and engineering firm specializing in all aspects of electricity transmission, backed by decades of expertise from its parent company RTE, Europe's largest transmission system operator, and providing tailored solutions for the development, operation, and maintenance of power grids across more than 165 countries.
Within the HVDC sector, RTE International leverages its deep technical knowledge to provide comprehensive system studies, engineering, and project management for high-voltage direct current transmission projects, supporting clients in optimizing their grids for efficiency and integration of renewable energy.
RTE International
IEEE Power and Energy Society
IEEE Power and Energy Society
The IEEE Power and Energy Society (IEEE PES) is a nonprofit, member-driven organization focused on advancing scientific and engineering knowledge in the electric power and energy sector worldwide. As one of IEEE’s oldest and largest societies, PES develops industry standards, publishes leading research, organizes major conferences, and provides professional development opportunities for its more than 37,000 members.
In the field of HVDC (High Voltage Direct Current), IEEE PES plays a key role by producing technical standards, supporting expert working groups, and publishing research and technical papers that advance and ensure the reliable integration of HVDC technologies within modern power systems.
IEEE Power and Energy Society
Sumitomo Electric
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.
Sumitomo Electric
Mitsubishi Electric
Mitsubishi Electric
Mitsubishi Electric is a leading global technology company specializing in advanced electrical and electronic systems for power transmission and distribution.
Mitsubishi Electric develops the HVDC-Diamond system, a modular multi-level converter-based, voltage source converter HVDC solution, offering scalable power delivery, fast responsiveness, and high reliability for efficient integration of renewable energy and asynchronous grid interconnection.
Mitsubishi Electric
Aker Solutions
Aker Solutions
Aker Solutions is a Norwegian engineering firm that delivers integrated solutions, products, and services to the global energy industry, enabling low-carbon oil and gas production while reporting strong financial performance with a 25% revenue growth in Q1 2025 and an order backlog of NOK 72.1 billion. The company maintains momentum through high-activity quarters, demonstrating strength and resilience while remaining a competitive and trusted partner in the broader energy market.
In the HVDC sector, Aker Solutions contributes engineering expertise and project execution capabilities to support efficient transmission of renewable energy over long distances, aligning with their strategic focus on sustainable energy infrastructure and renewable energy projects amid the global energy transition.
Aker Solutions
Terna
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.
Terna
The Institution of Engineering & Technology (IET)
The Institution of Engineering & Technology (IET)
The Institution of Engineering & Technology (IET) is a multidisciplinary professional engineering institution formed in 2006 through the merger of the Institution of Electrical Engineers and the Institution of Incorporated Engineers. Headquartered in the UK with over 156,000 members in 148 countries, the IET inspires, informs, and influences the global engineering and technology community to address pressing societal and technological challenges.
In the field of HVDC (high voltage direct current), the IET is active in sharing research, knowledge, and best practices, supporting the professional development of engineers through technical publications and events focused on HVDC technologies and power systems.
