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A2Sea

World Leader in Offshore Wind Installation and Service Solutions


  • Kongens Kwarter 51
  • DK-7000 Fredicia
  • Denmark
  • T +45 75 92 82 11
  • F +45 75 92 63 75
  • a2sea@a2sea.com
  • www.2sea.com

A2Sea is the most experienced installation contractor in the offshore wind market.  Since installing turbines on Horns Rev, the World’s first commercial scale wind farm, in 2002, our vessels have gone on to install more than 700 wind turbines and 300 foundations.  We have worked across northern Europe from the Baltic to the Irish Sea, encountering and overcoming the challenges of a wide range of seabed and environmental conditions.

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Having worked in every country that has installed wind turbines offshore, our project managers have a wealth of knowledge of local offshore rules, cross border logistics and country specific Health, Safety and Environmental regulations.  Our experience covers the installation of most turbines types, a wide range of monopile sizes and transition pieces, and specialist lifts such as offshore accommodation blocks and metmasts.