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NamPower
NamPower
NamPower is the national electric utility of Namibia, responsible for the generation, transmission, and distribution of electricity across the country. It supplies bulk electricity to regional distributors, mines, farms, and local authorities, and is a key participant in the Southern African Power Pool, ensuring energy security and supporting economic development in Namibia.
NamPower owns and operates a world-class transmission system spanning over 25,000 kilometers and invests in strengthening its grid and integrating renewable energy, but there is no public record of current involvement in HVDC (High Voltage Direct Current) projects.
NamPower
Cross Sound Cable
Cross Sound Cable
Cross Sound Cable Company, LLC is a high voltage electrical transmission company that operates a 330 MW submarine cable system providing electricity transmission capacity between the electric grids of New England and Long Island, New York. The company is noted for its strong commitment to safety, environmental stewardship, and sustainability in managing its operations and stakeholder relationships.
Cross Sound Cable is specifically engaged in high-voltage direct current (HVDC) activities, operating a 25-mile HVDC Light system—manufactured by ABB and now also noted by Hitachi Energy—which uses advanced extruded submarine cables to enhance grid reliability, enable bidirectional energy flow, and support power trading between the New York and New England markets.
Cross Sound Cable
Litgrid
Litgrid
Litgrid is the Lithuanian electricity transmission system operator, managing electricity flows and maintaining the stable operation of the national power system. It owns over 7,000 km of overhead lines, more than 200 transformer substations, and 17 interconnectors with neighboring countries, playing a crucial role in integrating Lithuania's electricity system into the European market. Litgrid does not specifically focus on High Voltage Direct Current (HVDC) technology, but its work involves the transmission of electricity over high-voltage installations, which could potentially include HVDC projects in the future. However, the company's primary activities are centered around maintaining and developing the existing high-voltage infrastructure.
Litgrid
NGCP
National Grid Corporation of the Philippines (NGCP)
NGCP is a privately owned corporation responsible for operating, maintaining, and developing the Philippines’ state-owned power grid, ensuring the efficient and reliable transmission of electricity across the entire country. Established in 2009, NGCP operates under a 50-year franchise, providing essential transmission services and managing the country's interconnected high-voltage network.
In the field of High Voltage Direct Current (HVDC), NGCP is involved in projects and planning that support grid interconnection and reliable bulk power transfer between major islands, leveraging HVDC technology to overcome the challenges of transmitting electricity across the nation’s archipelagic geography.
NGCP
Greenlink
Greenlink
Greenlink is a subsea and underground electricity interconnector linking the power markets of Ireland and Great Britain, featuring a 190 km long, 500 MW high-voltage direct current (HVDC) submarine power cable between County Wexford in Ireland and Pembrokeshire in Wales. The project enhances electricity supply security, supports low carbon energy integration, and has the capacity to power approximately 380,000 homes, with associated converter stations at both ends of the cable.
Specifically in HVDC activities, Greenlink operates as a critical HVDC infrastructure asset, utilizing a 320 kV DC voltage system to transmit power efficiently under the sea. The interconnector facilitates bi-directional power flow and plays a significant role in balancing grid services between Ireland and Great Britain, thereby supporting the growth and integration of renewable energy sources across the connected markets.
Greenlink
NL Hydro
NL Hydro
NL Hydro, officially known as Newfoundland and Labrador Hydro, is the primary generator and supplier of electricity in Newfoundland and Labrador, Canada, providing more than 91% of the province's electricity, mostly from renewable hydroelectric resources. The company owns and operates major generation assets such as Churchill Falls and Muskrat Falls, serves over 200 communities, and manages a vast transmission and distribution network across some of the province’s most challenging terrain.
NL Hydro is notably active in high-voltage direct current (HVDC) activities, operating the 1,100 km Labrador-Island Link—an HVDC transmission line that connects major hydro assets in Labrador to the island of Newfoundland as part of the Muskrat Falls project.
NL Hydro
Universidade Federal Fluminense (UFF)
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.
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)
