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Minesto install gravity-based structure in Wales

4C Offshore | Matthew White
By: Matthew White 09/05/2018 Minesto
MinestoMinesto has completed the first offshore installation phase of the Holyhead Deep project.

The gravity-based structure, including the bottom joint system, that moors Minesto’s DG500 power plant to the foundation, has been installed onto the seabed in the Holyhead Deep off North West Wales.

The gravity-based structure was towed out to the Holyhead Deep site located some 6km off Holy Island and lowered to the seabed by ballasting its cells with water.

The bottom joint, which was attached last week, functions as a locking mechanism between the power plant's tether and the seabed foundation. It is also articulated in two axis, which enables the DG500 “kite” to operate freely in its pre-determined figure-of-eight trajectory while being safely linked to the foundation.

“We’re happy to be under way and to have the first piece of hardware installed at the site in Holyhead Deep”
, said Minesto’s COO David Collier.

In May 2015, Minesto secured a €13m investment from the European Regional Development Fund through the Welsh European Funding Office, for the commercial rollout of Deep Green.

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