TetraSpar Demonstrator

Floating-foundation demonstrator at METCentre, Karmoy.

Status

Operationallifecycle stage

Ownership

TRTEPCO Renewable Power ◆

RWE ◆

SOStiesdal Offshore ◆

Location

Norway

North Sea

Verification

2/12 fields verified

7 sources · ◆ 2 documents held

◆verified≈modelled◇sourced∴inferred·derived

open the source register →

Technology

Capacity 3.6 MW ◇ Turbines 1 × 3.6 MW ◇ Foundation Floating ◇

Site & conditions

Site rights Seabed rights held ∴ Distance from shore 10 km ◇ Wind speed 9.6 m/s @ 100 m ≈

Revenue & grid

Offtake —

Grid —

Schedule

FID Taken · date not recorded ∴ COD 2021 ◇

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

not yet surveyed by satellite; the built farm can be, on request

Installation · on record

StageOperational

In operation since2021

Sources & verification

2/12 fields verified · rests on 7 sources (1 primary) · ◆ 2 documents held

◆Verified≈Modelled◇Sourced∴Inferred⌁Convention○Unverified∅No source·Derived

Numbers are stable citation ids — grouped by source class, so they are not consecutive.

Operator1

[7]

Stiesdal Offshore2026-03-27◆ TetraSpar Demonstrator to be decommissio…

“TetraSpar Demonstrator ApS, a project company owned by Stiesdal Offshore, RWE and TEPCO Renewable Power, today announced the planned decommissioning of the floating TetraSpar Demonstrator ... The oper…”

supportsStatus note

source ↗

Trade press6

[1]

offshoreWIND.biz2021

Press report — cited, not quoted; read it at the source link.

supportsConsentFinal investment decisionCommercial operationSite rightsTotal capacity

source ↗

[2]

offshoreWIND.biz2021

Press report — cited, not quoted; read it at the source link.

supportsTurbinesUnit capacityFoundationDistance from shore