GE Vernova Inc. (NYSE: GEV) today announced that, in consortium with Drydocks World, it has been awarded the Ostwind 4 project by 50Hertz, a leading German Transmission System Operator (TSO). The project involves the design, construction, and commissioning of a 2-gigawatt (GW) High-Voltage Direct Current (HVDC) electric transmission system—the first of its kind in the German Baltic Sea—connecting an offshore wind farm to the German grid.
Located in the Arkona Basin, approximately 30 kilometers northeast of Rügen Island, the Ostwind 4 project will transport up to 2 GW of offshore wind energy via the HVDC system to the mainland, delivering renewable electricity equivalent to the amount needed to power nearly two million households. Provisionally scheduled for completion by the end of 2031, the project is expected to feature an advanced bipolar HVDC transmission system operating at 525 kilovolts (kV), ensuring efficient energy transport with minimal losses over long distances.
Collaborating to Drive Germany’s Renewable Energy Ambitions
The GE Vernova–Drydocks World consortium is responsible for delivering both the offshore converter platform and the onshore converter station, enabling seamless transmission of electricity from offshore wind farms in the Baltic Sea to the German transmission grid. As the consortium leader, GE Vernova will supply advanced HVDC technology, including voltage-sourced converters (VSC), high-voltage transformers, g3 gas-insulated switchgear (GIS), air-core reactors, as well as civil works for the onshore converter station and grid automation telecommunications equipment.
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Download free sample pagesThe project will also benefit from GE Vernova’s new HVDC Competence Center in Berlin, which is focused on developing leading-edge technology to improve grid stability and integrate more renewable energy.
Drydocks World will be responsible for designing, fabricating, and installing the offshore converter platform, including the jacket substructure and topside. This advanced infrastructure, built at Drydocks World’s Dubai facility, features a U-shaped jacket substructure with integrated nature-inclusive scour protection to enhance marine biodiversity while minimizing environmental impact.
Germany’s Energy Transition Goals
Germany is at the forefront of the global energy transition with its ambitious Energiewende framework, which aims to phase out coal entirely by 2030 and achieve net zero emissions by 2045. As per the German Climate Law, 80% of electricity supply must come from renewable sources by 2030, with a target of 100% by 2035. Projects like Ostwind 4 are crucial in meeting these goals, enabling the efficient transmission of renewable energy from offshore wind farms to the national grid and reducing dependence on fossil fuels.
Stefan Kapferer, CEO 50Hertz, said, “The awarding of the contract to GE Vernova and Drydock World marks the beginning of a new chapter in the use of wind energy in the Baltic Sea. 50Hertz is the first transmission system operator to deploy 2 GW / 525 kV technology in this sea area. This is pioneering work. We want to ensure that the entirety of the technically and economically viable offshore wind energy potential in the Baltic Sea is exploited, primarily with the help of direct current technology. To do this, we need to think and act in an even more networked way across national borders. One prerequisite for this is the creation of legal and regulatory conditions that enable wind farms in the waters of other EU states to be connected to the German transmission grid. “
Philippe Piron, CEO of GE Vernova's Electrification business, said, “Ostwind 4 represents a crucial milestone in our mission to electrify and decarbonize with the energy to change the world. By leveraging our advanced HVDC technology, this key infrastructure project underscores the essential role of offshore wind to ensure European energy security and to accelerate the global energy transition. This order also highlights the rapid growth in GE Vernova's Electrification segment, our fastest growing business, as our customers invest in the grid. We are very proud to collaborate with 50Hertz and Drydocks World to advance Germany’s renewable energy goals and set a new standard for a resilient and sustainable grid infrastructure.”
Johan Bindele, Leader of Grid Systems Integration at GE Vernova’s Grid Solutions business, added, “Ostwind 4 demonstrates the advancements in HVDC technology that GE Vernova delivers to support the integration of renewable energy sources at transformative scales. The use of our Voltage-Sourced Converters, g³ gas-insulated switchgear, and robust system design ensures not only efficient power transmission but also operational reliability over long distances. We are honored to lead this project in collaboration with our consortium partner Drydocks World and support 50Hertz in pushing the boundaries of energy innovation.”
Sultan Ahmed Bin Sulayem, Group Chairman & Chief Executive Officer, DP World, said: " We are pleased to see Drydocks World playing a pivotal role in the Ostwind 4 Project, a testament to its technical excellence and commitment to advancing renewable energy infrastructure. This reflects DP World’s ongoing commitment to enabling a clean energy future by supporting innovative projects that drive sustainability and economic growth. As the global energy landscape evolves, we remain dedicated to leveraging our expertise and innovative capabilities to support initiatives that drive clean energy transitions and economic development.”
Accelerating The Energy Transition Through Advanced Grid Technology
HVDC technology is critical in supporting the efficient and reliable transmission of renewable energy across long distances. Unlike the AC systems, HVDC can transmit three times the power with up to 50% fewer losses. HVDC systems equipped with Voltage-Sourced Converter (VSC) technology further enhance the controllability and stability of power flows, making them ideal for integrating variable energy sources such as wind and solar into the grid.
GE Vernova’s g3 gas-insulated switchgear further supports the energy transition by providing a more environmentally sustainable alternative to SF6 gas, a potent greenhouse gas traditionally used in high-voltage equipment. The g3 technology is part of company’s GRiDEA portfolio, a suite of decarbonization solutions that empower grid operators to address their net-zero objectives. Launched in 2014, g3 shows an approximately 99% reduction of greenhouse gas contribution to global warming, compared to SF6, aligning with the decarbonization goals of the global energy sector. Together, HVDC and SF6-free solutions represent key innovations necessary to decarbonize and modernize the grid infrastructure for a more sustainable energy future.
