A2SEA was an

offshore wind farm Offshore wind power or offshore wind energy is the generation of electricity through wind farms in bodies of water, usually at sea. There are higher wind speeds offshore than on land, so offshore farms generate more electricity per amount of c ...

installation and services company based in

Fredericia Fredericia () is a town located in Fredericia Municipality in the southeastern part of the Jutland peninsula in Denmark. The city is part of the Triangle Region, which includes the neighbouring cities of Kolding and Vejle. It was founded in 16 ...

Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , establish ...

. The company specializes in transport, installation, and servicing of offshore wind farms. In addition to Denmark, the company has subsidiaries in the United Kingdom and Germany. A2SEA was bought in 2017 by GeoSea which was then integrated in DEME Offshore in 2019.

History

A2SEA was established in 2000. In 2001, M/S ''Ocean Ady'' (now: ''Sea Energy'') and M/S ''Ocean Hanne'' (now: ''Sea Power'') were converted into turbine installation vessels. The company's first installation work was the Horns Rev 1 wind farm in the North Sea in 2002. In following years the company installed among others the Frederikshavn,

Nysted Nysted is a town in Guldborgsund Municipality in Region Zealand on the southeastern coast of the island of Lolland in south Denmark. Nysted is located on the southern coast of Lolland, and has a population of 1,292 (1 January 2022).

, Arklow Bank,

Scroby Sands Scroby Sands is a sandbank or shoal, off the coast of Norfolk, England which runs near shore, north to south from Caister south towards Great Yarmouth.SC1408 Harwich and Rotterdam to Cromer & Terschelling Admiralty Small Craft Chart Coastal plann ...

Kentish Flats Kentish may be used as a name: *Kentish Council is a local government area in Tasmania, Australia *Kentish Town is an area of north west London, England Kentish as a surname: *John Kentish (minister), 1768–1853 *John Kentish (tenor), 1910&nd ...

and

Thanet Thanet may refer to: *Isle of Thanet, a former island, now a peninsula, at the most easterly point of Kent, England *Thanet District, a local government district containing the island *Thanet College, former name of East Kent College *Thanet Canal, ...

, and got contracts for the installation works on London Array and Ormonde offshore wind farms. In 2009, the company was acquired by the Danish energy company DONG Energy. In 2010, it was announced that

Siemens Wind Power Siemens AG ( ) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe headquartered in Munich with branch offices abroad. The principal divisions of the corporation are ''Industry'', ''E ...

will acquire a 49% stake in the company at a price of DKK 860m. The deal needed an approval of regulatory authorities, which came on 13 October 2010.Antitrust authority approves Siemens as equity partner in A2SEA
'' DONG Energy'', 13 October 2010. Retrieved: 16 November 2010. In 2010, turnover was 586m DKK, while profit was 86m.Pedersen, Lars Dalsgård
A2SEA profits
''Energy Supply'', 21 March 2011. Accessed: 9 October 2011. In 2017, the Belgian Offshore Contractor GeoSea, member of the DEME Group, bought A2SEA. In 2017, A2SEA was sold to GeoSea, a Belgian offshore installation company member of the DEME Group. In 2019,

DEME In Ancient Greece, a deme or ( grc, δῆμος, plural: demoi, δημοι) was a suburb or a subdivision of Athens and other city-states. Demes as simple subdivisions of land in the countryside seem to have existed in the 6th century BC and ear ...

decided to integrate all its offshore companies (GeoSea, Tideway and A2SEA) into DEME Offshore.

Fleet

A2SEA has fleet of two semijacked vessels (''Sea Energy'' and ''Sea Power'') and two jack-ups (''Sea Jack'' and ''Sea Worker''), all of them specially converted for offshore wind turbines installation. In 2010, A2SEA ordered a new semijacked vessel ''

Sea Installer ''Sea Installer'' is an offshore wind farm, offshore wind turbine installation jack-up vessel. She was ordered by A2SEA, a Danish offshore wind turbines installation company, and it was built by China, Chinese COSCO Shipyard Group Co. The contract ...

'' which is the first specially designed wind generator installation vessel of its fleet. In early 2016 the barge ''Sea Worker'' was grounded off Nymindegab, Denmark after its tow cable broke during bad weather. Approximately 1 week later the vessel capsized.

References

External links

* {{Siemens Energy companies of Denmark Companies based in Fredericia Municipality Danish companies established in 2000 Siemens