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James Fisher installs MeyGen cables

By: Tom Russell 06/11/2015 James Fisher edited by 4C Offshore

General Tidal

James Fisher has installed the subsea export cables as part of the initial construction phase (Phase 1A) of MeyGen Limited’s (MeyGen) 398MW tidal array, at Pentland Firth, Scotland.

Tim Cornelius, CEO of the Atlantis group – majority owner of MeyGen, said: “This is an excellent result for the project. By its very nature the offshore site is a challenging tidal environment, and to complete the installation campaign safely and in line with the programme is a commendable achievement by our onshore and offshore teams, aided by great performance from the vessel. After all the planning it is very rewarding to see the offshore infrastructure taking shape for this trail-blazing project.”

Principle contractor James Fisher Marine Services (JFMS) acted as the project interface for the installation of four subsea cables at the MeyGen tidal energy project with Mojo Maritime (Mojo), marine management specialists, acting as the project lead that coordinated all offshore activities during operations.

Mojo was able to apply it's marine project planning system, Mermaid. short neap window was identified and in order to achieve it, the vessel would have to lay one cable every 12 hours. The schedule was achieved and the offshore operation took just 2.5 days.

Mobilisation was very compressed and required extensive input from all involved to mobilise an entire cable spread in 4 days. The Siem Daya 1 DP vessel was carefully selected on its capabilities, as Mojo understood that securely positioning the vessel within the extreme tidal conditions would be a critical factor in achieving success.

Commenting on the project’s overall success, Richard Parkinson managing director at Mojo said: “Attention to detail and the safety of all personnel was paramount throughout every aspect of this project. Installing 11km of cable in tidal speeds of up to 6 knots posed significant challenges in planning and delivery and we knew we had a demanding schedule. It is a credit to the relentless effort of the team that we were able to achieve a safe and highly optimised cable pull and lay program.”

The initial phase of MeyGen has the potential to generate up to 86 MW of electricity, enough power for around 42,000 homes, potentially catering to the needs of almost 40 percent of households in the Highlands. Within a decade, MeyGen intends to deploy up to 398 MW of offshore tidal stream turbines in the Pentland Firth to supply clean, sustainable and predictable power electricity for 175,000 homes.

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James Fisher installs MeyGen cables

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