Helix Robotics Solutions Awarded Significant Trenching Contract by Seaway7

10 February 2025
Edited By: Kadesha Dsilva

Helix Robotics Solutions, the robotics division of Helix Energy Solutions Group, Inc. (Helix), has been awarded a contract by Seaway7 for the burial of inter-array cables associated with Ørsted’s Hornsea 3 Offshore Wind Farm, which is located 120 km off the UK’s Norfolk coast. The contract is expected to last over 300 days and is scheduled to begin in the third quarter of 2026.

The Grand Canyon III. (Image credit Helix)

Under the contract, Helix plans to utilize the Grand Canyon III trenching support vessel mobilized with the T1500 jet trencher, the i-Trencher trenching system, a work-class remotely operated vehicle, and associated survey services. The project scope includes the burial of all 192 inter-array cables, totaling approximately 500 km in length. The project will be managed with engineering and survey support from Helix’s offices in Aberdeen, UK.

Scotty Sparks, Helix’s Executive Vice President and Chief Operating Officer, stated, “Helix is a global leader in subsea robotics and trenching, and we are proud to bring our expertise to the Hornsea 3 Offshore Wind Farm project. This contract with Seaway7, one of the largest trenching awards to Helix, highlights our commitment to supporting offshore wind development and expanding Helix’s offshore renewables activity.”