Hellenic Cables and Jan De Nul signed a framework agreement with National Grid for strategic HVDC interconnections

Athens, 17 March 2025

Hellenic Cables, the cables segment of Cenergy Holdings, in consortium with Jan De Nul, a global offshore installation contractor, have signed a framework agreement with National Grid, securing their position as one of the appointed contractors eligible to participate in future HVDC cable projects across the UK and Europe.

This agreement will enable the consortium to participate in upcoming tenders for call-off projects for the design, manufacturing, supply, installation, testing, and commissioning of HVDC cable systems as part of National Grid’s large-scale offshore and onshore transmission infrastructure investment program. This framework agreement, which has an initial term of five years with an option for extension of up to three additional years, is a key component of National Grid’s strategy to secure long-term partnerships that support deliverability for critical projects in the UK.

The UK Government’s commitment to achieving Net Zero by 2050 has placed significant emphasis on expanding the country’s electricity infrastructure to integrate renewable energy sources, such as offshore wind. National Grid’s cable framework aims to support this transition, ensuring a robust and reliable energy network. This framework will play a crucial role in enhancing grid resilience, facilitating renewable energy integration, and ensuring energy security for the future.

The consortium will participate in potential future tenders for turnkey projects.
Hellenic Cables has been implementing a strategic investment programme in its manufacturing facilities in Corinth and Thiva, Greece expanding production capacity and enhancing technological capabilities to meet the evolving needs of the energy transition. With these investments, the company reinforces its commitment to delivering high-quality, innovative, and sustainable cable solutions for global energy infrastructure projects.

Jan De Nul’s ambition to facilitate the energy transition transpires from its strategy of continuous innovation and investment in offshore installation capabilities. This is exemplified by Jan De Nul’s investment in two XL next-generation cable laying vessels Fleeming Jenkin and William Thomson, both with an unrivalled carrying-capacity of 28,000 tonnes, enabling to expedite the development of HVDC interconnector projects as seen included within the National Grid framework portfolio.

Kostas Savvakis, General Manager, Hellenic Cables, stated: “This agreement strengthens our commitment to supporting the UK’s energy transition and offshore wind ambitions. We are proud to be part of this critical framework, providing world-class HVDC cable solutions.”

Wouter Vermeersch, Director Subsea Cables at Jan De Nul, stated: “We are proud to partner with National Grid through this framework for strategic HVDC interconnections. The agreement confirms our position as World Builders of the energy transition through providing vital power cable links.

With over 70 years of success, Hellenic Cables is a leading provider of cables and turnkey solutions worldwide, servicing the markets of energy transmission and distribution, renewables and offshore wind, telecom and data networks, construction, and industry. Through its fully owned subsidiary Fulgor, Hellenic Cables operates its submarine cables plant in Corinth, Greece, where the production and testing of some of the longest submarine cable lengths without factory joints leveraging top-notch facilities and equipment. Since 2012, Hellenic Cables has executed an EUR 600 million investment plan to upgrade its production sites, transforming them into state-of-the-art facilities. Hellenic Cables represents the cables segment of Cenergy Holdings SA. For further information, please visit Hellenic Cables website at www.hellenic-cables.com.

Cenergy Holdings is a Belgian holding company listed on both Euronext Brussels and Athens Stock Exchange, investing in leading industrial companies, focusing on the growing global demand of energy transfer, renewables and data transmission. The Cenergy Holdings portfolio consists of Corinth Pipeworks and Hellenic Cables, companies positioned at the forefront of their respective high growth sectors. Hellenic Cables is one of the largest cable producers in Europe, manufacturing power and telecom cables as well as submarine cables. Corinth Pipeworks is a world leader in steel pipe manufacturing for the energy sector and major producer of steel hollow sections for the construction sector. For more information, please visit our website at www.cenergyholdings.com.

Jan De Nul shapes water, land and energy around the world, addressing some of the most important challenges of our time. From the rising sea level to the energy transition, from polluted soil to sustainable construction: we engineer solutions that future-proof our world, known for their complexity and high stakes. Our Can-Do people focus on four areas of expertise: Offshore Energy, Dredging Solutions, Construction Projects and Planet Redevelopment. Together, we all work towards one shared goal: to improve the global quality of life for generations to come.