Hansa PowerBridge is Proceeding via RFI for the Converter Stations & Cables
Source: www.gulfoilandgas.com 10/9/2023, Location: Europe
Svenska kraftnät and 50Hertz have started with the collection of information for the supply and installation of:
Planned Contract (to be procured by Svenska kraftnät) for:
Two converter stations (VSC)
One cable section station in Germany
Planned Contract (to be procured by 50Hertz) for:
Onshore Cables (60 km+70 km DC, 2 km AC)
Offshore Cables (88 km+88 km DC)
The main technical data are the active power of 700 MW transmitted via a symmetrical monopole (at receiving end) with a DC voltage of +/-300 kV and AC voltage of 400 kV level.
All cables shall use extruded cable insulation. The two submarine HVDC cables and a submarine FOC are bundled prior to laying. After laying the bundle shall be protected by burial or a rock berm. Maximum water depth for submarine cable approximately 50 meter. The underground cables in Germany are installed in preinstalled ducts (ducts not in scope, contracted separately). The underground cables in Sweden are installed directly buried.
The estimated procurement process:
Prequalification summer 2024
Invitation to tender (ITT) sent out 2024/2025
Contract Converter signing in Q4 2025
Contract Cable signing in Q4 2025