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About Us
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Heavy Transportation
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Wind Turbines
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Floating Wind
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Cable Laying Services
Cable Laying ServicesRead More
Seaway7 offers submarine cable- and subsea umbilical installation, repair and maintenance services.
Related services such as dive and Remote Operated Vehicle (ROV) support, marine survey, Unexploded Ordnance (UXO) investigation and remedial cable protection services are also provided.
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WTG Foundations
WTG FoundationsRead More
Seaway7 offers installation services for WTG foundations utilising their ground-breaking custom built foundation installation vessel Seaway Alfa Lift as well as their established Heavy Lift Vessels (HLV), Seaway Strashnov and Seaway Alfa Lift.
In the last 12 years Seaway7 has built up an extensive track record in installing a wide range of foundation types, ranging from monopiles and suction bucket jackets to tripod and pre-piled jackets using a pile installation frame.
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Offshore Substations
Offshore SubstationsRead More
Using our Heavy Lift Vessels, Seaway7 can provide the transportation and installation of offshore substation jackets and topsides. Mid 2020, we had successfully installed more than 30 HVAC platforms.
The DP3 HLV Seaway Strashnov with its 5000t crane is especially well equipped for this work.
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Wind Turbines
Wind TurbinesRead More
Seaway7 provides fully integrated Transport and Installation (T&I) services for offshore wind turbine generators (WTGs) utilising the company’s next generation jack-up installation vessel Seaway Ventus.
With the organisation, people, vessels and systems in place, and a strong track record – Seaway7 are the ideal partner for the installation of offshore windfarms.
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Heavy Transportation
Heavy TransportationRead More
Seaway7 is one of the most experienced heavy transport vessel operators in the world, providing highly engineered transportation solutions for the most demanding cargoes – safely and on time.
The six Seaway7 open deck semi-submersible heavy transportation vessels; Eagle, Falcon, Hawk, Osprey, Swan and Albatross are suitable for dry transportation of offshore wind foundations, offshore modules and all other oversized floating and non-floating cargoes.
Seaway7 has been active in the offshore Renewables Energy industry since 2009, when we installed our first Wind Turbine Generator (WTG) monopile foundation offshore in the UK. Seaway7 has since built an industry-leading track record in installing WTG foundations, substations and inner array cables for many of the key offshore wind developers in Europe, Taiwan and the US.
Our services
Our offshore experience in the energy sector spans three decades, successfully completing over 30 projects and transferring offshore knowledge gained in the oil and gas industry to support the energy transition and offshore fixed wind market.
Seaway7 has been active in the offshore Renewables Energy industry since 2009, when we installed our first Wind Turbine Generator (WTG) monopile foundation offshore in the UK, and has since built an industry-leading track record in installing WTG foundations, substations and inner array cables for many of the key offshore wind developers in Europe, Taiwan and the US.
To date Seaway7 has installed over 800 wind turbine generator foundations, 30 substations and 2500km of inner array cables.
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6 Nov 2024Seaway7 awarded cables contract for East Anglia TWOSeaway7 today announced the award of a substantial contract by ScottishPower Renewables for the transport and installation of the inter-array cables of the East Anglia TWO offshore wind project. ScottishPower Renewables £4 billion East Anglia TWO offshore windfarm will be located around 33 kilometres from the east coast of England in the Southern North Sea. Successful in the UK Government’s Contracts for Difference (CfD) Allocation Round 6 in September 2024, it will contribute up to 960 MW of clean, green energy – enough to power the equivalent of almost one million homes. It is one of t
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29 Oct 2024Seaway7 awarded cables contract for Hornsea 3Seaway7 has today announced the award of a substantial contract by Ørsted for the transport and installation of the inter-array cables of the Hornsea 3 offshore wind project located in the UK sector of the North Sea. Seaway7’s scope of work covers the transportation and installation (T&I) of 192 66kV inter-array cables, measuring approximately 500 kilometres in length, with offshore activities scheduled to commence in 2026. Stuart Fitzgerald, CEO Seaway7, said: “With this award we look forward to continuing our long-standing relationship with Ørsted. The Hornsea 3 project represents
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16 May 2024Seaway Ventus installs its first Wind Turbine GeneratorsLast week marked a significant milestone for Seaway7 as the new build installation vessel Seaway Ventus successfully installed its first Wind Turbine Generators (WTGs). The first turbine was completed on Tuesday afternoon on Ørsted’s Gode Wind 3 project, in cooperation with the WTG manufacturer Siemens Gamesa who provides installation crew and equipment onboard. Situated 32 kilometres from the coast in the German North Sea, the turbine stands tall in 30 meters water depth, with the hub height measuring 126 meters and the rotor blades spanning 97 meters each. Camilla V.P. Klejs, tur
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Renewables Projects
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1400+WTG Foundations
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1600+Cables
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40+Substations
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3800+Km Cables
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22+GW
Key Projects
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Hollandse Kust Zuid Offshore Wind FarmHKZ is the largest subsidy-free wind farm in the world today. Located about 18-35 kilometres off the Dutch coast, spanning 225 km2, HKZ received first power in Summer 2022 and is scheduled to be fully operational in 2024.
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Seagreen Offshore Wind FarmSeagreen Offshore Wind Farm, is located around 27km from the coast of Angus in the North Sea. The 1,075MW wind farm features 114 Vestas turbines and an offshore substation.
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Moray East Offshore Windfarm ProjectMoray East is being developed in the Outer Moray Firth and is located 22km off the coast of Scotland. Seaway 7 were responsible for the transport of all jacket foundations fabricated at Lamprell’s Hamriyah fabrication yard.
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Beatrice Offshore Wind Farm ProjectSeaway 7 successfully completed the Beatrice Project (EPCI) in 2019. Beatrice, once fully operational, will be one of Scotland’s largest offshore wind farms, located approximately 13km from the Caithness coast. All Seaway 7 vessels contributed to deliver the design, fabrication and installation of 84 jacket foundations, weighing over 120,000Te, along with 165km of Inter-Array Cables.
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Yunlin Offshore Wind Farm ProjectIn 2018 Seaway 7 was awarded the contract for the turnkey engineering, procurement, installation and commissioning (EPIC) works related to the inner array grid and export cable system of the Yunlin Offshore Wind Farm project.
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