Orbital Eday 4
Orbital Eday 4 tidal stream overview.
Orbital Eday 4 is a consented deployment of two O2-X floating tidal turbines at EMEC’s Fall of Warness test site in Orkney. Orbital Projects 9 holds the marine licence and the project’s Allocation Round 5 Contract for Difference. The scheme is distinct from the separately licensed Eday 3 turbine, and its licence permits activity from April 2028.ConsentedUnited Kingdom
At a Glance
Capacity
Data coming soonOwners
Orbital Marine Power Limited +2 moreOperator
Data coming soonCountry
United KingdomLocation
59.146°, -2.842°Website
Official project pageOwnership
3 records| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown |  | Developer | Orbital Marine Power is the developer of the O2-X turbine deployment described in the Eday 4 project information document. | Current / not dated |
| Unknown | Project Company | Orbital Projects 9 is the marine licensee and AR5 CfD project company for Eday 4’s two planned tidal generators. | Current / not dated | |
| Unknown | Indirect Parent | Companies House identifies Orbital Projects (Holdings) Limited as the corporate person with significant control of Orbital Projects 9 Limited. | Current / not dated |
Organisations
5 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Tidal test site operatorTest Site Operation | Operates the Fall of Warness tidal test site where the two Eday 4 generators are licensed for deployment. | |
Orbital Marine Power | Operator Or Applicant | Not set |
| O2-X technology developerTurbine Supply | Develops the O2-X floating tidal turbine technology proposed for this two-device deployment. | |
| Corporate project holding companyDevelopment And Sponsor Context | Is the registered corporate person with significant control of the Eday 4 project company, Orbital Projects 9 Limited. | |
| Marine licensee and CfD project companyProject Company And Consenting | Holds licence MS-00010628 for two O2-X generators and the 4.8 MW AR5 Contract for Difference for Orbital Marine Eday 4. |
Supplier registration
Contact page onlyHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Supplier enquiries can be made through the developer’s general contact page. Engagement covers the wider business and does not constitute entry to a project-specific supplier register.
Orbital Marine Power company-wide contact route; the page does not provide a selectable Eday 4 supplier registration form.
SourceChecked 28 Oct 2026