| In Construction | Offshore substation platform supplierEmpire Wind 1 | Substation Electrical | Empire Wind offshore substation platforms |
| In Construction | Jacket foundation fabricatorFormosa 2 OWF | Foundations | 15 Formosa 2 wind turbine jacket foundations |
| In Construction | Offshore substation EPC and fabrication contractorGreater Changhua 2b & 4 | Substation Electrical | 600 MW HVAC offshore substation for Greater Changhua 2b and 4 |
| Consented | HVDC platform engineering and manufacturing contractorIJmuiden Ver Beta | Substation Electrical | IJmuiden Ver Beta offshore converter platform |
| In Operation | Offshore converter platform design, build, installation and commissioning contractorSofia | Substation Electrical | Sofia offshore converter platform |
| Consented | Indirect Parent · 100%TwinHub | Ownership | Seatrium owns the Wave Hub project company through KVE Investments B.V., which acquired the company’s entire share capital on 9 April 2026. |
| In Operation | Owner | Onshore grid assets | TwinHub · Final Grid Connection Point |
| In Operation | Owner | Onshore grid assets | TwinHub · Intermediate Connection Asset |