West of Duddon Sands
Located 14km SW of Walney Island, East Irish Sea.
Status
Operationallifecycle stage
Ownership
Location
United KingdomIrish Sea
Technology
Capacity
388.8 MW ◆
Turbines
108 × 3.6 MW ◆
Model
Siemens Swt 3-6-120 ◆
Foundation
Monopile ◆
Site & conditions
Site rights
Seabed rights held ∴
Origination
Crown Estate Round 2 · 2003 ·
Water depth
17–24 m ◆
Distance from shore
14 km ◆
Wind speed
9.6 m/s @ 100 m ≈
Revenue & grid
Offtake
Other ◆
Grid
Secured · 2014 ◆
Connection
Heysham onshore substation ◆
Schedule
FID
2011 ◆
COD
2014-Q4 ◆
Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
5 dated milestones on the spine, each with its source · 3 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 12 sources (9 primary) · ◆ 10 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.
Regulator2
[4]
UK Department of Energy and Climate Change (DECC)2014-10-30◆ Edward Davey opens West of Duddon Sands …
“West of Duddon Sands wind farm ... officially opened by UK Energy Secretary Ed Davey ... 389 megawatt (MW) wind farm ... completed two months ahead of schedule ... Joint venture between ScottishPower …”
supportsBackground
[10]
Department for Energy Security and Net Zero2026-05-06◆ Renewable Energy Planning Database (REPD…
“REPD Q1 2026 quarterly extract — Ref ID 2519: Site Name "West of Duddon Sands", Development Status "Operational", Installed Capacity 389 MWelec, Operator "Scottish Power Renewables & Orsted (formerly …”
supportsRegister entry
Operator4
[1]
Ørsted A/S2014-10-30◆ West of Duddon Sands is now officially o…
“Full power output has been achieved more than two months ahead of schedule from West of Duddon Sands Offshore Wind farm ... The news came on the day that the 389 megawatt (MW) wind farm was officially…”
supportsCommercial operationTurbinesUnit capacityTotal capacityFoundation+4 more
[2]
Ørsted A/S2014-06-19◆ Final turbine installed at West of Duddo…
“The team behind the West of Duddon Sands offshore wind farm are celebrating the successful installation of the final turbine at the 389MW project. The 108th turbine was hoisted into position by the Se…”
supportsTurbinesModelUnit capacityTotal capacity
[3]
Ørsted A/S2025-05-01◆ Orsted divests 24.5% stake in West of Du…
“Ørsted has completed a farm-down for a 24.5% stake in West of Duddon Sands Offshore Wind Farm to funds managed by Schroders Greencoat. The value of the transaction is GBP 456.1 million (approx. DKK 4 …”
supportsoperatorownerTotal capacityDistance from shore
[11]
National Energy System Operator (NESO)2026-07-21◆ NESO Transmission Entry Capacity (TEC) R…
“NESO TEC Register, edition 21 July 2026 - PRO-000210: "West of Duddon Sands Offshore Wind Farm", Status "Built", MW Connected 382, Effective From n/a, Customer "MORECAMBE WIND LIMITED"”
supportsRegister entry
Financier1
[5]
European Investment Bank2013-02-18◆ WEST OF DUDDON SANDS OFFSHORE WINDFARM
“a 389 MW offshore windfarm in the Irish Sea (Northwest England), comprising 108 turbines positioned 14 kilometers southwest of Barrow-in-Furness with water depths between 17-24 meters.”
supportsWater depthDistance from shoreCoordinates
Trade press5
[6]
Power Technology (GlobalData)
Press report — cited, not quoted; read it at the source link.
supportsConsentFinal investment decisionOnshore constructionOffshore constructionModel+5 more
[8]
Business News Today2025-06-23◆ What is the West of Duddon Sands Offshor…
“Ørsted has retained operational control and now holds a 25.5 percent stake in the project. ScottishPower Renewables maintains its 50 percent ownership.”
supportsoperator
[9]
[12]
Ørsted2025-Q2◆ Orsted — orsted factsheet asset book q2 …
“West of Duddon Sands (108 x SWT-3.6-120) | Scottish Power Renewables (Iberdrola), Schroders Greencoat | 388.8 | 388.8 | 99.1 | Pro rata | 0.255 | 0.255 | 2014 | ROC | 2034 | - | 2”
supportsMechanismDetail
[13]
Ørsted2025-03-31◆ Orsted — orsted factsheet asset book q1 …
“OFFSHORE - Asset Book updated as of 31 March 2025 ... West of Duddon Sands (108 x SWT-3.6-120) | Scottish Power Renewables (Iberdrola) | 388.8 | 388.8 | 194.4 | Pro rata | 0.5 | 0.5 | 2014 | ROC | 203…”
supportsTotal capacity
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