Start construction of RWE THOR platform by HSM Offshore Energy

End of November the construction of the THOR Offshore High Voltage Station (OHVS) project for RWE officially started. Key-milestone ‘steel cutting’ ceremony took place at the HSM Offshore Energy yard in Schiedam (Netherlands). Both structures, the offshore substation and the jacket, are built here.

HSM Offshore Energy, together with its key subcontractors Iv-Offshore & Energy and GE Renewable Energy, was awarded the engineering, procurement, construction, installation and commissioning of the offshore high voltage substation and its jacket foundation in 2022. The selection was based on HSM Offshore Energy’s experience and technical know-how to create a highly efficient design for the offshore substation and the jacket foundation for RWE’s THOR offshore wind farm. The open design of the substation, which will have a capacity of more than 1,000 megawatts (MW) and overall weight below 3000MT is a gamechanger in the offshore wind market, offering best AC power / weight ratio in the history. This reduces the use of structural steel and the energy needed during manufacturing – with steel sourcing and fabrication in Europe.

Thor Offshore Wind Farm
RWE will build the THOR wind farm off the Danish west coast – approximately 22 kilometres from Thorsminde on the west coast of Jutland. To connect the wind farm to the Danish grid, RWE will build two new substations – one at sea and one on land. The substation at sea is the nerve centre of the wind farm: the electricity produced by the individual wind turbines is collected here and transformed to transmission-level voltage. The green electricity will be transported through export cables to the new-build onshore substation THOR will be Denmark’s largest offshore wind farm to date and will be capable of producing enough green electricity to supply the equivalent of more than one million Danish households.

About RWE
RWE is a leading global player in offshore wind. The Thor project will help to support the company’s goal to grow its global offshore wind capacity from today 3.3 to 10 gigawatts by 2030. RWE is already operating the Danish Rødsand 2 offshore wind farm, which is located south of the Danish island Lolland, approximately 10 kilometres southeast of Rødbyhavn. The wind farm has an installed capacity of 207 MW (RWE share: 20%) and has been in operation since 2010.

About HSM Offshore Energy
HSM Offshore Energy is an integrated solution provider in EPCIC (Engineering, Procurement, Construction, Installation and Commissioning) multi-disciplinary offshore projects. By leveraging engineering know-how and technological excellence, driven by our commitment to a sustainable energy future, we are the contractor of choice for the offshore energy sector.

With our 60 years of offshore experience, we delivered successfully well over 150 projects such as integrated platforms, modules, and jackets for the offshore upstream energy sector. Focusing on High-Voltage Substations, Green Hydrogen Platforms, Gas Production and Processing Modules, Carbon Capturing and Storage infrastructures and its steel jacket foundations.

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