Explore our HVDC world map
- The HVDC Industry: Visualised, Simplified, for You
- Current trends and developments shaping the HVDC industry
- Detailed project data for better planning and decision-making
Have a story to publish?
%201.png)
Custom Maps & Models
Supply Chain
Explore the HVDC supply chain database
Orient Cable (NBO)
Orient Cable (NBO)
Orient Cable (NBO) is a leading Chinese cable manufacturer specializing in land and subsea cable system solutions, including research and development, design, manufacturing, installation, and maintenance services. Established in 1998 and headquartered in Ningbo, China, the company holds a prominent position in the global subsea cable market, with a broad product portfolio that covers HVAC land and subsea cables, HVDC land and subsea cables, as well as umbilical and dynamic cables. It serves diverse sectors such as utilities, telecommunications, oil and gas, construction, and renewables, and holds multiple international certifications including ISO9001 and DNV accreditation.
In the HVDC domain, Orient Cable provides advanced land and subsea high-voltage direct current cables up to ±535 kV, having pioneered China’s first 220 kV and first HVDC XLPE submarine cables. The company commands over 98% market share in China’s high-voltage submarine cable sector and offers comprehensive capabilities in HVDC cable R&D, manufacturing, and offshore installation and maintenance, making it a key player in enabling high-capacity and long-distance power transmission projects.
Orient Cable (NBO)
INTEGRATED Engineering Software
INTEGRATED Engineering Software
INTEGRATED Engineering Software is a leading developer of simulation tools for engineering and scientific designs, specializing in electromagnetic, thermal, and structural analysis. Their software leverages both Boundary Element Method (BEM) and Finite Element Method (FEM) technologies, providing solutions for complex physical modeling across multiple industries.
In HVDC applications, INTEGRATED’s simulation tools are utilized for the analysis and design of electric fields and insulation systems, supporting the optimization and reliability of high-voltage direct current infrastructure.
INTEGRATED Engineering Software
NYISO
New York Independent System Operator (NYISO)
NYISO is a non-profit organization responsible for operating New York's electric grid and managing competitive wholesale electricity markets across the state. It oversees the reliable operation of approximately 11,000 miles of high-voltage transmission, conducts long-term system planning, and ensures fair and transparent access to the grid for diverse market participants.
NYISO is involved with the integration and operation of high-voltage direct current (HVDC) transmission lines, which help address transmission constraints and enhance reliability—particularly in regions with heavy congestion like New York City and Long Island. These HVDC projects are a key tool in NYISO’s efforts to efficiently deliver clean energy and maintain system reliability amid changing supply and demand patterns.
NYISO
Xlinks
Xlinks
Xlinks is a UK-based company founded in 2019, dedicated to developing large-scale renewable energy projects and intercontinental electricity infrastructure. With a mission of creating a global clean energy grid, Xlinks aims to connect abundant renewable resources to high-demand regions using advanced power transmission technologies.
The company is particularly active in high-voltage direct current (HVDC) projects, most notably through the Morocco-UK Power Project. This flagship initiative involves constructing a 3.6 GW HVDC interconnector—expected to be the world's longest undersea cable—to transmit renewable energy from Morocco to the UK, utilizing over 4,000 km of subsea HVDC links and large-scale battery storage systems.
Xlinks
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
EGL 1
EGL 1
EGL 1 is a £2.5 billion joint venture between SP Energy Networks and National Grid Electricity Transmission, developing and operating a high-capacity subsea electricity superhighway connecting southeast Scotland (Torness) to northeast England (Hawthorn Pit), with construction underway in 2025 and targeted completion by 2029.
EGL 1 is installing a 190–196 km high voltage direct current (HVDC) subsea cable, complemented by converter stations at each end, to enable efficient long-distance transmission of renewable energy and to strengthen grid resilience between the two countries.
EGL 1
Elektro-Slovenija
Elektro-Slovenija
Elektro-Slovenija, d.o.o. (ELES) is the state-owned electricity transmission system operator of Slovenia, established in 1991 by the government. ELES is responsible for the exclusive management and operation of the country’s high-voltage transmission network, ensuring reliable and high-quality electrical power delivery through over 2,500 km of transmission lines, and plays a key role in integrating the Slovenian grid with the wider European energy system.
ELES is engaged in the ongoing development of Slovenia’s transmission infrastructure and implements advanced technologies, including activities related to high-voltage direct current (HVDC) systems, as part of its efforts to maintain a reliable and modern grid.
