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A2SEA - Powered by Knowhow

A2SEA offers integrated installation and service solutions for the offshore wind industry. Since 2002, our specialised fleet of two semi-jacked vessels and two jack-ups has installed more than 700 turbines and 300 foundations on the world’s offshore wind market.

An essential link in the offshore wind value chain

Before foundations, wind turbines and cables are in place, an offshore wind project demands the planning skills, process knowhow and experience of qualified people who can guarantee the job gets done. A2SEA's project teams are adept at pulling together all the pieces of the installation puzzle to ensure that every project comes in safely, on time, and to budget - and they have a ten-year track record to prove it.


Planning down to the smallest detail

Before mobilising a single crew-member, A2SEA prepare all the necessary approvals, plan the supply chain and carry out a seabed assessment to make sure it's stable enough to bear the weight of their jack-ups in action.

Once a project is underway, their jack-ups can provide full-board accommodation for all offshore personnel involved in the installation, making it easy to coordinate operations between the various contractors onboard.

Optimising our processes from project to project

On every project, A2SEA examine and document each of their processes in detail, looking for ways to make improvements, however small. From project to project, these add up to gains in time and cost that A2SEA can pass on to their customers. Because they are so familiar with the seabed conditions, wind turbine components and how long each operation takes, their risk management is both detailed and reliable.


The A2SEA offshore wind package

A2SEA has the experience, knowhow and equipment to ensure their customers get an installation package tailored to the specific needs of their offshore wind projects. Working closely with key customers, they develop solutions that meet the demands of the market and, ultimately, help bring down the cost of clean energy.


Headquartered in Fredericia, Denmark, A2SEA is never far from the action in northern European offshore wind. And with additional offices in Germany and the UK, they are easy to contact - and always ready to listen to your business needs.



Kongens Kvarter 51
7000 Fredericia
Tel. +45 7592 8211
Fax +45 7592 6375
Germany subsidiary:
Alter Wandrahm 15
D-20457 Hamburg
Tel: +49 40 4190 7318
UK subsidiary:
A2SEA Ltd.
23 Austin Friars
United Kingdom
Tel: +44 (0)1245 396929