Prysmian wins €500m cable-laying project in Germany

WCN Editorial Team 6 May 2020 EUROPE ENERGY & UTILITIES

Italian cable manufacturer Prysmian Group has secured SuedOstLink project from the Dutch-German grid operator TenneTin Germany.

Worth nearly €500m, the SuedOstLink project is considered to be one of the longest high voltage direct current (HVDC) underground cable connection projects.

The value of the project is dependent on options where Prysmian will design, manufacture, supply, lay, joint, test and commission, a 2GW underground cable systems through TenneT’s region in the German Corridor.

The length of the project is more than 250km, starting at the Southern Germany connection point at Isar, close to Landshut in Bavaria.

For the project, Prysmian stated that it will deliver its ±525 kV HVDC underground cable system, where the company will use its extruded cables at their highest voltage level, combined with large copper conductor cables.

Other supplies include the company’s P-Laser insulation technology, with higher operating temperature, to enable the transmission of more than 2GW of power on a single system.

The Prysmian has also agreed to provide all the related accessories, along with an integrated PRY-CAM monitoring system. The installation is claimed to ensure optimised long length solutions extending beyond 2km. The project is expected to be completed in early 2026.

Prysmian claims that the SuedOstLink project extends its involvement in strategic underground interconnection projects, alongside the Piedmont-Savoy connection between Italy and France, the INELFE link between Spain and France, the ElecLink project running through the Eurotunnel between France and the UK, and the ALEGrO connection between Belgium and Germany.

Prysmian Group executive vice president Projects BU Hakan Ozmen said: “Our innovative and eco-friendly solutions are supporting Germany's energy transition in a sustainable way, with the development of more capable underground cables able to cover longer distances with an increasing level of power transmission, to carry more energy from the North of the country, where renewable energy is being generated, to more southerly regions, where it is required.”

The selection of P-Laser insulation technology is claimed to be the recognition of the technology and its benefits by TenneT.

The P-Laser is claimed to suit highest voltage levels delivering enhanced thermal performance and high intrinsic reliability enabling flexible and sustainable solutions including optimised construction with reduced trench widths. A fully recyclable system, it also offers increased productivity, while reducing up to 30% of CO2 emissions in production.

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Prysmian selected by TenneT to build underground cabling system in Germany. (Credit: Prysmian Group.)

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