Zefyros
Ex-Hywind Demo (world's first full-scale floating turbine), reacquired by Unitech.
Status
Operationallifecycle stage
Ownership
UOUnitech Offshore — 100% ◇
Location
North Sea
Technology
Capacity
2.3 MW ◇
Turbines
1 × 2.3 MW ◇
Model
Siemens Swt 2-3-82 ◇
Foundation
Floating ◇
Site & conditions
Site rights
Seabed rights held ∴
Water depth
60–200 m ◇
Distance from shore
10 km ◇
Wind speed
9.5 m/s @ 100 m ≈
Revenue & grid
Offtake
—
Grid
—
Schedule
FID
Taken · date not recorded ∴
COD
2009 ◇
Project timeline verified milestones only — each date carries its provenance mark
Dashed tick marks today (9 Sep 2026).
Revenue & offtake the regime the project was built under
Offtake regime not on record
A built project sells its power under the contract or support regime it was financed with; it is not expected to bid into new government offtake rounds. Where the record does not yet name that regime, the row says so rather than guessing.
Installation how the build is going · from satellite counts and Hafrok’s registers
Installation complete
built before satellite radar could be used to count it (the archive begins in 2014)
Installation · on record
StageOperational
In operation since2009
Sources & verification
0/14 fields verified · rests on 4 sources
◆Verified≈Modelled◇Sourced∴Inferred⌁Convention○Unverified∅No source·Derived
Numbers are stable citation ids — grouped by source class, so they are not consecutive.
Trade press3
[1]
Tethys (PNNL)2024
supportsownerConsentFinal investment decisionCommercial operationSite rights+1 more
[3]
[4]
Encyclopaedic1
[2]