Organisation Directory

Explore organisations connected to offshore wind and the wider energy transition, grouped into practical categories to make the directory easier to browse.

Seaway7

Description

Seaway7 is an offshore wind engineering, procurement, construction, and installation contractor within the Subsea7 group. It delivers foundation, offshore substation, submarine cable, wind turbine installation, floating wind, and heavy transportation services for offshore wind projects worldwide.

Related Projects

55 records

Status	Role	Category	Scope
Consented	Inter-array cable EPCI contractorBałtyk 2	Cables	66 kV inter-array cable system across Baltyk 2 and Baltyk 3
Consented	Inter-array cable EPCI contractorBałtyk 3	Cables	66 kV inter-array cable system across Baltyk 2 and Baltyk 3
In Construction	Foundation EPCI contractorBeatrice	Foundations	84 WTG jacket foundations and 336 pin piles
In Construction	Inter-array cable EPCI contractorBeatrice	Cables	91 33 kV submarine composite inter-array cables and associated accessories
In Construction	Offshore transformer module transport and installation contractorBeatrice	Transport Installation	Two OTM jackets, eight pin piles and two OTM topsides
Consented	Preferred EPCI supplier for foundations and inter-array cablesBerwick Bank B	Epc Balance Of Plant	Berwick Bank B
In Construction	Wind turbine transport and installation contractorBorkum Riffgrund III	Transport Installation	Borkum Riffgrund 3 Siemens Gamesa 11 MW turbine installation campaign
In Construction	Transition piece and offshore substation installerC-Wind	Transport Installation	Shared BC-Wind development, including the C-Wind constituent area
In Construction	Converter platform installation contractorDanTysk	Transport Installation	SylWin alpha converter platform
In Construction	Foundation installation contractorDogger Bank A	Foundations	Dogger Bank A monopile and transition-piece installation
In Construction	Additional turbine installation vessel providerDogger Bank B	Transport Installation	Dogger Bank B turbine installation with Seaway Ventus
In Construction	Foundation installation contractorDogger Bank B	Foundations	Dogger Bank B monopile and transition-piece installation
In Construction	Foundation installation contractorDogger Bank C	Foundations	Dogger Bank C monopile and transition-piece installation
In Construction	Foundation installation contractorDudgeon	Transport Installation	Installation of 67 monopile foundations using Oleg Strashnov
In Construction	Offshore substation installation contractorDudgeon	Substation Electrical	Dudgeon offshore substation installation
In Construction	Foundation transport and installation contractorEast Anglia THREE	Foundation And Marine Works	95 monopile foundations, seabed preparation and scour protection for East Anglia THREE
In Construction	Inter-array cable engineering, supply and installation contractorEast Anglia THREE	Cable Supply And Installation Context	East Anglia THREE inter-array cable package
Consented	Inter-array cable engineering, supply and installation contractorEast Anglia TWO	Cable Supply And Installation Context	64 inter-array cables for East Anglia TWO
In Construction	Inter-array cable installation contractorEnBW Baltic 2	Cables	Approximately 88 km of 33 kV inter-array cable at Baltic 2
In Operation	Inter-array cable EPIC contractorEnBW He Dreiht	Cable Supply And Installation Context	Internal wind farm cabling for EnBW He Dreiht
In Construction	Foundation installation contractorFormosa 2 OWF	Transport Installation	Installation of Formosa 2 jacket foundations
Consented	Foundation transport and installation contractorGennaker	Transport Installation	Transportation and installation of monopiles and transition pieces for Gennaker
In Construction	Turbine installation contractorGode Wind 3	Transport Installation	Gode Wind III turbine installation campaign
In Construction	Foundation transport and installation contractorGwynt y Môr	Transport Installation	Installation of monopile foundations and transition pieces using Stanislav Yudin
In Construction	Inner-array cable installation contractorHollandse Kust Zuid Holland III - IV	Cables	315 km of 66 kV inner-array grid cables across Hollandse Kust Zuid
In Construction	Monopile foundation transport and installation contractorHollandse Kust Zuid Holland III - IV	Foundations	Hollandse Kust Zuid 1-4 monopile foundation installation
In Construction	Inner-array cable installation contractorHollandse Kust Zuid I–II	Cables	Hollandse Kust Zuid inner-array grid cables
In Construction	Monopile foundation transport and installation contractorHollandse Kust Zuid I–II	Foundations	Hollandse Kust Zuid monopile foundation installation
In Construction	Inter-array cable transport and installation contractorHornsea Project Three	Cables	192 66 kV inter-array cables totaling approximately 500 km
In Construction	Inter-array cable installation contractorHornsea Project Two	Cables	Hornsea Two inter-array cables
In Construction	Jacket foundation and transition piece installation contractorInch Cape	Foundation And Marine Works	18 jacket foundations and 54 monopile transition pieces for Inch Cape
In Construction	Foundation transport and installation contractorKaskasi	Foundations	38 WTG monopile foundations and offshore substation foundation
In Construction	Inner-array cable installation contractorKaskasi	Cables	52 km inner-array grid cables
In Construction	Offshore substation installation contractorMeerwind Süd / Ost	Transport Installation	Meerwind Süd / Ost jacket and offshore substation
In Construction	Inter-array cable EPIC contractorMoray West	Cables	66 kV inter-array cables and offshore substation interconnector cable
In Construction	Offshore substation installation contractorRace Bank	Transport Installation	Installation of Race Bank offshore substation structures
In Construction	Foundation installation contractorRiffgat	Foundations	30 Riffgat monopile foundations
In Construction	Converter platform installation contractorSandbank	Transport Installation	SylWin alpha converter platform
In Construction	Inner-array cable EPIC contractorSeagreen	Cables	312 km of 66 kV submarine composite cables
In Construction	Suction bucket foundation EPCI contractorSeagreen	Foundations	114 suction bucket jacket foundations
Consented	Preferred supplier for foundations, substation and array cablesSeagreen1A	Epc Balance Of Plant	Seagreen1A
In Construction	Foundation and offshore substation installation contractorSheringham Shoal	Transport Installation	Majority of steel monopiles and transition pieces plus offshore substation installation using Oleg Strashnov
In Construction	TWB II foundation EPCI contractorTrianel Windpark Borkum	Foundations	Engineering, procurement, construction and installation of 32 monopiles and transition pieces
In Construction	Foundation and offshore substation transport and installation contractorTriton Knoll Wind Farm	Transport Installation	90 WTG foundations and two offshore substations
In Construction	Inter-array cable EPIC contractorVeja Mate	Cables	73 inner-array grid cables
In Construction	Offshore substation installation contractorWalney Extension	Substation Electrical	Installation of two offshore substations
In Construction	Offshore substation installation contractorWestermost Rough	Transport Installation	Offshore substation platform installation
In Construction	Export and inter-array cable installation contractorXidao	Cables	Seven export cables totaling 210 km and approximately 73 km of 66 kV inter-array cables
In Construction	Inner-array and export cable EPIC contractorYunlin	Cables	Inner-array grid and export cable system for Yunlin
In Construction	Submarine cable transport and installation contractorZhongneng	Cables	Submarine cable system for Zhong Neng
Consented	Other	Onshore grid assets	Berwick Bank B · Intermediate Connection Asset
In Operation	Other	Onshore grid assets	Dogger Bank C · Onshore Conversion
In Operation	Other	Onshore grid assets	Dogger Bank C · Final Grid Connection Point
In Operation	Other	Onshore grid assets	East Anglia THREE · Onshore Conversion
In Operation	Other	Onshore grid assets	East Anglia THREE · Final Grid Connection Point

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