| Planned | Lead environmental assessment consultantAurora Green | Consenting Environmental | Environmental studies and approvals for Aurora Green |
| Consented | EIA coordination and environmental consultantBeatrice | Consenting Environmental | EIA methodology, consultation, climate change, marine policy, airborne noise and other ES topics |
| Planned | Technology originator and development leadDolphyn (commercial) | Development | Commercial Dolphyn floating wind-to-hydrogen sites |
| Planned | Technology originator and development leadDolphyn (full scale) | Development | Dolphyn full-scale floating wind and hydrogen concept |
| Planned | Technology originator and development leadDolphyn (precommercial) | Development | Dolphyn pre-commercial floating wind-to-hydrogen demonstrator |
| Planned | Environmental consultantEquinor Celtic Sea PDA3 | Consenting Environmental | Equinor Celtic Sea PDA3 wind farm and associated transmission and grid connection works |
| Pre-Tender | Preliminary environmental study consultantFortevento | Consenting Environmental | Fortevento |
| Cancelled | Development leadKincardine - DOLPHYN - 2 MW demo | Development | Kincardine - DOLPHYN - 2 MW demo |
| Planned | Owner Developer · 100%Dolphyn (commercial) | Ownership | ERM established the Dolphyn business to commercialise its floating offshore wind-to-hydrogen technology. |
| Planned | SponsorDolphyn (full scale) | Ownership | ERM originated the Dolphyn floating wind-to-hydrogen process. ERM-Europe Limited controls the former Dolphyn Hydrogen holding company, now named 13970327 Limited; the full-scale concept has no disclosed asset-level ownership percentage. |
| Planned | Owner Developer · 100%Dolphyn (precommercial) | Ownership | ERM originated the Dolphyn technology and led its initial development. |
| Cancelled | DeveloperKincardine - DOLPHYN - 2 MW demo | Ownership | ERM led development of the 2 MW DOLPHYN floating wind-to-hydrogen design, which was closed in 2021 before deployment. |