Organisation Directory

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

DEME Group

Description

DEME Group is a Belgian marine contractor active in offshore energy, dredging, marine infrastructure, environmental works and concessions. In offshore wind, the group provides engineering, transport and installation services for foundations, turbines, inter-array cables, export cables and substations.

Related Projects

101 records

Status	Role	Category	Scope
In Construction	Foundation installation vessel providerAlbatros	Foundations	Innovation jack-up foundation installation vessel
In Construction	Transformer substation consortium partnerAmrumbank West	Substation Electrical	Amrumbank West offshore transformer substation
In Construction	Turbine installation vessel providerAnholt	Transport Installation	Sea Installer turbine installation campaign support
In Construction	XXL monopile installation contractorArcadis Ost 1	Foundations	28 XXL monopiles for 27 turbines and one offshore substation
In Construction	Offshore export cable consortium memberB-Wind	Cables	Combined BC-Wind development, including the former B-Wind and C-Wind sites
In Construction	Foundation installation contractorBorkum Riffgrund I	Foundations	77 monopile foundations and transition pieces
In Construction	Foundation transport and installation contractorBorkum Riffgrund I	Foundations	77 monopile and transition-piece foundation units
In Construction	Turbine installation contractorBorkum Riffgrund I	Transport Installation	78 Siemens turbines installed using Sea Installer
In Construction	Turbine installation vessel contractorBorkum Riffgrund I	Transport Installation	Sea Installer turbine installation campaign
In Construction	Suction-bucket jacket installation contractorBorkum Riffgrund II	Foundations	20 suction-bucket jacket foundations
In Construction	Foundation installation contractorBorssele I and II	Transport Installation	Installation of Borssele 1 and 2 monopile foundations
In Construction	Turbine installation contractorBurbo Bank Extension	Transport Installation	32 MHI Vestas 8 MW turbines
In Construction	Offshore substation EPCI consortium memberButendiek	Substation Electrical	Butendiek offshore substation
In Construction	Foundation and cable installation contractorC-Wind	Transport Installation	Shared BC-Wind development, including the C-Wind constituent area
In Construction	Balance of plant consortium contractorCVOW Commercial	Epc Balance Of Plant	Foundations, substations, scour protection and submarine cable systems
In Construction	Inter-array cable EPCI contractorDieppe - Le Tréport	Cable Supply And Installation Context	Approximately 120 km of inter-array cables for Dieppe-Le Tréport
In Construction	Jacket foundation and pin-pile installation contractorDieppe - Le Tréport	Foundation And Marine Works	62 jacket foundations and associated pin piles for Dieppe-Le Tréport
In Construction	Inter-array cable EPCI contractorDogger Bank A	Cables	66 kV inter-array cables for Dogger Bank A and B
In Construction	Inter-array cable EPCI contractorDogger Bank B	Cables	66 kV inter-array cables for Dogger Bank B
In Construction	Inter-array cable EPCI contractorDogger Bank C	Cables	Dogger Bank C inter-array cable system
In Construction	Inter-array cable transportation and installation contractorEmpire Wind 1	Cables	Empire Wind inter-array cable transportation and installation
In Construction	Wind turbine installation partnerEnBW Baltic 1	Transport Installation	Baltic 1 turbine installation
In Construction	Foundation design, manufacture, delivery and installation contractorGalloper	Foundations	56 monopile foundations and transition pieces
In Construction	Foundation installation partnerGode Wind I	Foundations	Gode Wind I and II foundation installation cooperation
In Construction	Turbine installation contractorGode Wind I	Transport Installation	97 Siemens turbines across Gode Wind I and II
In Construction	Foundation installation partnerGode Wind II	Foundations	Gode Wind I and II foundation installation cooperation
In Construction	Turbine installation contractorGode Wind II	Transport Installation	97 Siemens turbines across Gode Wind I and II
In Construction	Turbine installation contractorGunfleet Sands 3 Demonstration	Transport Installation	Two Siemens 6 MW test turbines
In Construction	Turbine installation contractorGwynt y Môr	Transport Installation	Installation of all 160 Siemens turbines
In Construction	Foundation EPCI contractorHohe See	Foundations	Monopile foundation EPCI scope
In Construction	Wind turbine transport and installation subcontractorHorns Rev 1	Transport Installation	Ocean Adys and Ocean Hanne turbine installation vessels
In Construction	Installation vessel supplierHorns Rev 2	Transport Installation	Vessels for wind turbine and foundation installation
In Construction	Foundation installation contractorHorns Rev 3	Foundations	49 monopile foundations and scour protection
In Construction	Monopile installation contractorHorns Rev 3	Foundations	49 monopile foundations
In Construction	Turbine installation contractorHorns Rev 3	Transport Installation	MHI Vestas turbine installation from Esbjerg
In Construction	Foundation installation contractorHornsea Project One	Transport Installation	Hornsea One monopile foundation installation
In Construction	Foundation installation contractorHornsea Project Two	Transport Installation	Hornsea Two turbine monopile foundations
Consented	Marine cable installation partnerIJmuiden Ver Alpha	Cables	IJmuiden Ver Alpha 525 kV HVDC export cable marine installation
Consented	Phase 1 foundation transport and installation contractorIJmuiden Ver Beta	Transport Installation	Zeevonk Phase 1
Consented	Phase 1 turbine transport and installation contractorIJmuiden Ver Beta	Transport Installation	69 wind turbines for Zeevonk Phase 1
In Construction	Foundation installation vessel contractorKaskasi	Transport Installation	Neptune and Sea Challenger foundation-installation vessel support
In Construction	Turbine installation contractorKentish Flats	Transport Installation	Installation of the original Kentish Flats Vestas turbines
In Construction	Foundation EPC contractorKentish Flats 2	Foundations	Monopile foundations for 15 extension turbines
In Construction	Turbine installation contractorKentish Flats 2	Transport Installation	Installation of 15 V112-3.3 MW turbines
In Construction	Installation vessel providerLondon Array	Marine Vessels Logistics	Sea Worker jack-up barge for shallow-water installation work
Consented	Development sponsorMerkur Offshore	Development	Merkur project development after Windreich
In Construction	Turbine installation contractorMerkur Offshore	Transport Installation	Installation of 66 GE Haliade turbines
In Construction	Turnkey balance-of-plant contractorMerkur Offshore	Epc Balance Of Plant	Foundations, cables, offshore substation and WEC installation
In Construction	Foundation EPCI and piling contractorMoray East	Foundations	103 jacket foundations and 309 pin piles
In Construction	Foundation installation contractorMoray West	Foundations	Monopile foundations and transition pieces
In Construction	Inter-array and interconnector cable EPCI contractorNeart na Gaoithe	Cables	66 kV inter-array strings and offshore substation interconnector
In Construction	Monopile foundation and transition-piece installation contractorNoirmoutier	Foundation And Marine Works	Monopile foundations and transition pieces for Yeu-Noirmoutier
In Construction	Offshore substation transport and installation contractorNoirmoutier	Substation Electrical	Yeu-Noirmoutier offshore substation jacket and topside
Consented	Monopile and transition piece installation contractorNordlicht I	Transport Installation	Nordlicht I and II foundation installation
Consented	Foundation installationNordlicht II	Transport Installation	Nordlicht II offshore wind project
In Construction	Wind turbine transport and installation contractorNordsee Cluster A - N-3.7	Turbine Supply	Nordseecluster A 44-turbine installation campaign
Consented	Wind turbine transport and installation contractorNordsee Cluster A - N-3.8	Turbine Supply	Nordseecluster A turbine installation campaign
Consented	Turbine transport and installation support contractorNordsee Cluster B - N-3.5	Turbine Supply	Nordseecluster offshore wind turbines
Consented	Turbine transport and installation support contractorNordsee Cluster B - N-3.6	Turbine Supply	Nordseecluster offshore wind turbines
Consented	Export cable EPCI consortium partnerNorfolk Boreas	Cables	Norfolk Boreas HVDC export cables and fibre optic cables
In Construction	MOG export cable installation contractorNorthwester 2	Cables	85 km of subsea export cable for Elia Modular Offshore Grid
In Construction	Wind turbine transport and installation contractorNysted Offshore	Transport Installation	72 Bonus 2.3 MW offshore turbines
In Construction	Turbine installation partner through Japan Offshore MarineOga-Katagami-Akita	Transport Installation	Engineering and vessel charter for 21 wind turbines
In Construction	Inter-array cable and secondary steel transport and installation contractorOranjeWind	Cables	114 kilometres of inter-array cables and secondary steel for OranjeWind
In Construction	Foundation installation contractorOrmonde	Foundations	Installation of Ormonde jacket substructures
In Construction	Turbine installation contractorOrmonde	Transport Installation	30 Ormonde turbine installations
In Construction	Turbine topside installation vessel providerPrinses Amalia	Transport Installation	Installation of Vestas topsides
In Construction	Foundation installation contractorRentel	Foundations	Wind turbine foundations and offshore-substation foundation
In Construction	Wind farm EPCI contractorRentel	Epc Balance Of Plant	Foundations, inter-array cables and offshore construction scope
In Construction	Foundation installation contractorSaint-Nazaire	Foundations	80 monopile foundations installed in rocky seabed conditions
In Construction	Offshore substation transport and installation contractorSaint-Nazaire	Transport Installation	Saint-Nazaire offshore substation and pre-piling works
In Construction	Turbine installation contractorScroby Sands	Transport Installation	Installation of Scroby Sands turbines
In Construction	Foundation EPCI contractorSeamade (Mermaid)	Epc Balance Of Plant	SeaMade monopile and transition-piece package
In Construction	Inter-array cable installation contractorSeamade (Mermaid)	Cables	Mermaid and Seastar inter-array cables
In Construction	Offshore high-voltage substation transport and installation EPCI partnerSeamade (Mermaid)	Substation Electrical	SeaMade high-voltage substations
In Construction	Foundation EPCI contractorSeamade (SeaStar)	Epc Balance Of Plant	SeaMade monopile and transition-piece package
In Construction	Inter-array cable installation contractorSeamade (SeaStar)	Cables	Seastar and Mermaid inter-array cables
In Construction	Offshore high-voltage substation transport and installation EPCI partnerSeamade (SeaStar)	Substation Electrical	SeaMade high-voltage substations
In Construction	Turbine transport and offshore service providerSheringham Shoal	Marine Vessels Logistics	Turbine transportation from Esbjerg to Great Yarmouth and harbour load-out facilities
In Construction	Installation vessel deployment referenceSPIC Jiangsu Dafeng H3	Marine Vessels Logistics	LiYa jack-up deployment for Dafeng H3 wind farm
In Construction	Turbine installation contractor and vessel providerThanet	Transport Installation	Sea Jack turbine installation vessel for Thanet
In Construction	Construction and marine installation partnerThorntonbank Phase 1	Epc Balance Of Plant	Thornton Bank offshore construction and installation
In Construction	Construction and marine installation partnerThorntonbank Phase 2	Epc Balance Of Plant	Thornton Bank offshore construction and installation
In Construction	Foundation and turbine installation contractorThorntonbank Phase 2	Foundations	Phase 2 offshore foundation and turbine installation
In Construction	Construction and marine installation partnerThorntonbank Phase 3	Epc Balance Of Plant	Thornton Bank offshore construction and installation
In Construction	Foundation and turbine installation contractorThorntonbank Phase 3	Foundations	Phase 2 offshore foundation and turbine installation
In Construction	Foundation installation contractorVesterhav Nord	Foundations	Monopile and transition-piece foundations for Vesterhav Nord and Syd
In Construction	Foundation installation contractorVesterhav Syd	Foundations	Monopile and transition-piece foundations for Vesterhav Nord and Syd
In Construction	Offshore substation installation contractorVineyard Wind 1	Substation Electrical	Vineyard Wind 1 offshore substation heavy-lift installation
Planned	Development memorandumVinh Phong	Historical Development Context	Vinh Phong
In Construction	Foundation transport and installation contractorWestermost Rough	Foundations	Load-out, transport, installation and grouting of monopiles and transition pieces
Planned	Owner Developer · 70%Bowdun	Ownership	DEME Concessions holds 70% of Bowdun following the ownership realignment announced on 3 November 2025.
In Operation	Owner · 12.5%Rentel	Ownership	DEME is one of the eight equal Rentel project shareholders.
Planned	Owner · 50%Vinh Phong	Ownership	Ownership relationship
In Construction	Other	Onshore grid assets	B-Wind · Onshore Conversion
In Operation	Other	Onshore grid assets	B-Wind · Final Grid Connection Point
In Operation	Other	Onshore grid assets	Dogger Bank C · Onshore Conversion
In Operation	Other	Onshore grid assets	Dogger Bank C · Final Grid Connection Point
Development	Other	Onshore grid assets	Nordsee Cluster B - N-3.5 · Onshore Conversion
In Operation	Other	Onshore grid assets	Nordsee Cluster B - N-3.5 · Final Grid Connection Point
In Operation	Other	Onshore grid assets	Saint-Nazaire · Final Grid Connection Point

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