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Explore the HVDC supply chain database

ZTT Group
ZTT Group
ZTT Group is a Chinese multinational specializing in telecommunications, power grid, renewable energy, marine systems, and precision equipment, operating globally with a significant presence in the manufacturing of cables and related infrastructure. The company delivers turnkey solutions for fiber optic, submarine cables, and overhead transmission systems, supporting power and energy sectors in over 147 countries.
In HVDC (high-voltage direct current), ZTT Group manufactures and supplies high-voltage submarine and land cables, having reached milestones such as delivering 500kV three-core submarine cables for major offshore wind and transmission projects, further establishing its position as a key supplier in global HVDC infrastructure.

ZTT Group

Arteche
Arteche
Arteche is a global leader in the electric power industry, providing advanced solutions and equipment such as instrument transformers, auxiliary relays, and substation automation to customers worldwide. With nearly 75 years of experience, Arteche is recognized for its innovation, adaptability, and commitment to delivering reliable products and services across the generation, transmission, and distribution sectors.
In the HVDC sector, Arteche develops optical current transformers and specialized measurement solutions, leveraging the Faraday effect for accurate DC current measurement in high-voltage applications. Their optical transformers are designed for precision, safety, and easy integration into digital substations, offering flexible digital and analog interfaces tailored to HVDC system demands.

Arteche

Dragados Offshore
Dragados Offshore
Dragados Offshore, founded in 1972 and headquartered in Cádiz, Spain, is a leading engineering, procurement, and construction (EPC) contractor specializing in the oil, gas, and energy sectors. The company delivers comprehensive solutions from initial design through fabrication and offshore installation, serving a global client base from its strategic locations.
In the HVDC sector, Dragados Offshore has secured major contracts to design, build, and install offshore converter platforms integral to Europe's energy transition, including multi-billion dollar projects that support offshore wind power transmission in Germany. The company is also expanding its capacity in Spain to meet growing demand for HVDC platform fabrication supporting large-scale renewable energy infrastructure.

Dragados Offshore

Jacobs
Jacobs
Jacobs is a global provider of engineering, technical, professional, and construction services, with a diverse portfolio that includes energy, water, and digital solutions. The company is committed to sustainability and addressing the climate emergency, with ambitious goals such as achieving net-zero greenhouse gas emissions across its value chain by 2040. Jacobs does not have specific information available about its activities in the HVDC (High Voltage Direct Current) sector, but its expertise in energy systems and infrastructure development could potentially support projects related to HVDC transmission and integration.

Jacobs

Nordic Yards
Nordic Yards
Nordic Yards is a shipbuilding company with expertise in constructing offshore structures, high-tech ships, and complex system solutions, combining decades of industry experience and innovation. The company is recognized as a reliable business partner capable of delivering tailored maritime projects and repairs, with operations centered in Rostock, Germany.
In the HVDC sector, Nordic Yards contributes through the engineering and construction of marine vessels and offshore platforms that support HVDC infrastructure, integrating advanced system solutions critical for major maritime energy projects.

Nordic Yards

Intermountain Power Agency
Intermountain Power Agency
The Intermountain Power Agency (IPA) is a cooperative entity formed in 1977 by 23 Utah municipalities to generate and deliver electricity through the Intermountain Power Project (IPP), located in western Utah. IPA owns and oversees the IPP, which has been a major power provider since 1986, supplying energy to participants including municipalities in Utah and California and transitioning from coal to blended natural gas and hydrogen generation.
IPA operates both alternating current (AC) and direct current (DC) transmission systems, notably including high-voltage direct current (HVDC) infrastructure for long-distance power delivery, particularly serving southern California utilities.

Intermountain Power Agency

Wood Group
Wood Group
Wood Group, also known simply as Wood, is a global leader in consulting, engineering, and project delivery services focused on designing the future of energy and materials across more than 60 countries. The company provides comprehensive solutions to enhance performance of industrial assets throughout their lifecycle, serving markets including oil and gas, chemicals, environment and infrastructure, power and process, and clean energy.











