Hornsea Project One – Electrical and mechanical assembly of 124 Transition Pieces


Bladt Industries, End customer: Ørsted

Project locations

  • North Sea North Sea

Scope of work:

  • Electrical and mechanical assembly works of 124 Transition Pieces, which are connecting the underwater monopiles with the offshore wind towers.
  • The electrical works performed on the TPs included suspended internal platforms and external platforms, finalization of installation of SIP and documentation package incl. test and checklists. The electrical work package included work-tasks, necessary to fulfill demands of the complete design, such as:
    • cable mounting,
    • HW installations,
    • earthing installation including lightning protection,
    • labeling,
    • quality tests
    • and more.

All the electrical and mechanical works proceeded according to the Customer’s specifications, drawings, instructions and technical, documentation requirements and are in line with high offshore industry standards in quality and safety.


“I would just like to thank you from Ørsted for all your hard work throughout your time here at OSB on the Hornsea 1 project. Your professionalism, ability to identify issues, logical solutions, willingness to assist other electrical contractors when they were struggling and many other acts have really been appreciated by not only myself onsite, but also the management from both Foundations and WTG departments.
I would like to wish you good luck on your next project”
Steve Haswell,
External Consultant,

About the company:

Ørsted is a renewable energy company, that takes tangible action to create a world that runs entirely on green energy.

First power in Hornsea Project One was achieved in December 2021, and it became fully operational in August 2022 overtaking Hornsea One as the largest offshore wind farm in the world.

Click here and read about the Race Bank project, where we provided electrical services for 91 Transition Pieces.

Eryk logo Eryk logo Contact