Outer Dowsing
One of the largest planned UK offshore wind farms. Crown Estate Leasing Round 4 winner.
Status
Advanced Developmentlifecycle stage
LikelyHafrok delivery likelihood
Ownership
Location
United KingdomNorth Sea
Technology
Capacity
1,500 MW ◆
Turbines
100 ◆
Foundation
Fixed-bottom (structure not recorded) ◆
Site & conditions
Site rights
Seabed rights held ∴
Origination
Crown Estate Round 4 · 2021 ·
Water depth
13–25 m ≈
Distance from shore
54 km ◇
Wind speed
10.4 m/s @ 150 m ≈
Revenue & grid
Offtake
—
Grid
Secured ◆
Connection
Weston Marsh 400kV Substation (new build). Target connection … ◆
Schedule
FID
Not taken
COD · Hafrok
for registered readers
Delivery outlook modelled by Hafrok · calibrated on delivered projects
LikelyHafrok's delivery likelihood for Outer Dowsing
The developer has stated no date. Hafrok's year, the chance and the working are for registered readers.
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Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
2 dated milestones on the spine, each with its source · 4 recorded ownership deals from Hafrok's transactions record · the developer's announced-COD history
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Revenue & offtake contract terms, price levels and the route to market
the contract terms on record · price over time in money of the day · the routes to market and the next visible round
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Installation how the build is going · from sourced statements and Hafrok's registers
construction status and turbines standing · vessel and port contracts · the grid connection and whether it is ready in time
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Sources & verification
Rests on 17 sources (11 primary) · ◆ 12 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.
Regulator4
[3]
Marine Management Organisation2026-04-15◆ Development consent granted for Outer Do…
“GTR4 Limited – a joint venture between Corio and its affiliates, TotalEnergies and Gulf Energy Development – has secured development consent for the Outer Dowsing Offshore Wind Farm. Approval was gran…”
supportsConsentFirst powerTotal capacityConsent granted
[14]
Department for Energy Security and Net Zero2026-05-06◆ Renewable Energy Planning Database (REPD…
“REPD Q1 2026 quarterly extract — Ref ID 11663: Site Name "Outer Dowsing Offshore Wind Farm", Development Status "Awaiting Construction", Installed Capacity 1500 MWelec, Operator "Green Investment Grou…”
supportsRegister entry
[16]
The Planning Inspectorate (PINS)2026-08-23◆ PINS national infrastructure application…
“Project reference EN010130: "Outer Dowsing Offshore Wind (Generating Station)"; applicant "GT R4 Limited (trading as Outer Dowsing Offshore Wind)"; Stage "Post-decision"; anticipated submission Februa…”
supportsConsentConsent appliedConsent granted
[17]
legislation.gov.uk (The National Archives)2026-02-10◆ The Outer Dowsing Offshore Wind Farm Ord…
“Work No. 1 (a) an offshore wind turbine generating station with a gross electrical output capacity of over 100 megawatts comprising up to 100 wind turbine generators each fixed to the seabed by either…”
supportsFoundation
Operator6
[6]
Outer Dowsing Offshore Wind (project)2026◆ About - Outer Dowsing
“In August 2023, Outer Dowsing Offshore Wind secured a grid connection for November 2030. [...] The project will then connect into a new National Grid substation at Weston Marsh that will connect into …”
supportsdeveloper
[7]
National Energy System Operator (NESO)2026-06◆ NESO Transmission Entry Capacity (TEC) R…
“GT R4 Wind Farm, GT R4 LIMITED, Weston Marsh 400kV Substation, MW Increase: 1500, Cumulative: 1500, Effective: 30/11/2030, Status: Scoping, Agreement: Direct Connection, Host: NGET, Type: Wind Offshor…”
supportsStatusConnection point
[9]
Gulf Energy Development2024◆ Gulf invests in 1500 MW Outer Dowsing
supportsoperatorfinancial_investor
[15]
National Energy System Operator (NESO)2026-07-21◆ NESO Transmission Entry Capacity (TEC) R…
“NESO TEC Register, edition 21 July 2026 - PRO-000563: "GT R4 Wind Farm", Status "Scoping", MW Connected 0, Effective From 2030-11-30, Customer "GT R4 LIMITED"”
supportsRegister entry
[18]
Wood Thilsted2026-10-19◆ Wood Thilsted Awarded Foundation Detaile…
“Wood Thilsted has been awarded the foundation Detailed Design contract for the Outer Dowsing Offshore Wind project ... Under the contract, Wood Thilsted will undertake the Detailed Design of up to 100…”
supportsStatus note
[20]
Outer Dowsing Offshore Wind2026-06-01◆ Outer dowsing offshore wind funds new bi…
“Outer Dowsing Offshore Wind was granted consent in February 2026 and construction is anticipated to begin in 2028. Up to 100 turbines 33 miles from shore will generate enough power for 1.6million hous…”
supportsTurbines
Auction pipeline1
[21]
DESNZ (gov.uk)2026◆ govuk-cfd-ar8
gov.uk AR8 collection — Allocation Framework, statutory framework and CIB documents published ahead of the round.
supportsCfD Allocation Round 8
Trade press5
[10]
[11]
4C Offshore (TGS)2026-07-02
Press report — cited, not quoted; read it at the source link.
supportsCoordinates
[12]
[13]
[19]
Enerdata2026-02-12◆ 1.5 GW Outer Dowsing wind project receiv…
Press report — cited, not quoted; read it at the source link.
supportsStatus note
Unverified import1
[1]
Early access