Deep Green Project: Completion of Offshore Commissioning and Test Programme

Mariners are advised that Minesto UK Ltd has now completed offshore commissioning and test programme operations for the Deep Green DG500 tidal energy converter off the coast of Anglesey, North Wales.  Details are provided in a Notice to Mariners that can be downloaded here and which is summarised below.

Commissioning and test programme complete

The offshore commissioning and test programme for the Deep Green DG500 tidal energy converter has been completed.  The DG500 tidal energy converter (known as “the kite”) has been returned to the shore.   All offshore infrastructure remains on site, and is described below.

Infrastructure on site

All sub surface components for the Deep Green project remain installed on site, along with the MGS offshore support buoy.  The location of these components is listed here:-

  • MGS Offshore Support Buoy: 53° 17.7957′ N 004° 47.7582’W
  • Gravity Base Structure: 53° 17.8309’N 004° 47.9558’W

The only part of the installation that is visible from the surface is the MGS Offshore Support Buoy.  This is a yellow structure, 7m high and 6m in diameter with a draft of 10m.  It is held in position by 3 x 800m mooring lines which are close to the surface out to 20m of the buoy.

A map showing the location of the buoy and a photograph showing its appearance is shown in the Notice to Mariners which can be downloaded here.

Vessels are strongly advised not to approach the MGS Buoy.  Access to the MGS Buoy is strictly prohibited.  CCTV is in operation to monitor the buoy.

Maintenance crews will visit the MGS buoy periodically during the autumn and winter using a Crew Transfer Vessel.

Safety information

A safety zone of 500m on the sea surface is established on the MGS Offshore Support Buoy.  All vessels are asked to give a wide berth to the MGS Buoy and any vessels working on site.

The MGS Buoy is showing a YELLOW FLASHING LIGHT Fl(4) 15s during the hours of darkness.

Please contact Jim Andrews, Fishery Liaison Officer by e-mail or phone (+44(0)7908-225865) if you have any queries or concerns about this notice.

Posted in AWJ Updates, Deep Green Holyhead Deep, Fishery Liaison

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