Dogger Bank Finalizes Offshore Substation Installation for Phase C

The Dogger Bank Wind Farm and its consortium partners have successfully completed the installation of the final high-voltage direct current (HVDC) offshore substation for Dogger Bank Phase C, marking the completion of substation installations across all three phases of the project.

The substation platform, built by Aibel and installed by Heerema Marine Contractors using the heavy-lift vessel Sleipnir, stands 36 meters tall and is anchored to the seabed at a water depth of 23 meters.

This milestone marks a critical step forward in the construction of the world’s largest offshore wind farm, which will provide renewable electricity for approximately six million UK households annually once fully operational.

Olly Cass, Project Director for Dogger Bank Wind Farm, commented, “Installing our third offshore substation platform represents a major stride in delivering renewable energy… It’s a key achievement for our project team, delivery partners, and the UK’s clean energy transition.”

The substation design, first implemented at Dogger Bank A in 2023 by Aibel, is the UK’s first unmanned HVDC offshore platform. These innovative structures are remotely controlled and accessed via Service Operations Vessels, improving cost efficiency and operational effectiveness.

Each platform is capable of converting 1.2 GW of alternating current (AC) from offshore wind turbines into direct current (DC), enabling clean power to be transmitted back to the onshore grid.

Mads Andersen, CEO of Aibel, stated, “We are proud to contribute to the world’s largest offshore wind project… This accomplishment showcases the strength of our partnership.”

Dogger Bank Wind Farm is a joint venture between SSE Renewables, Equinor, and Vårgrønn. Phase A began power generation in October 2023. The project is expected to support around 2,000 jobs across the UK.