Sofia Offshore Wind Farm
Located on Dogger Bank. Part of original Forewind Dogger Bank development, formerly known as Teesside B.
Status
Under Constructionlifecycle stage
Near certainHafrok delivery likelihood
Ownership
RWE — 100% ◆Location
United KingdomNorth Sea
Technology
Capacity
1,400 MW ◆
Turbines
100 × 14 MW ◆
Model
Siemens Gamesa SG 14-222 DD ◆
Foundation
Monopile ◆
Site & conditions
Site rights
Seabed rights held ∴
Origination
Crown Estate Round 3 · 2010 ·
Water depth
20–35 m ◆
Distance from shore
195 km ◆
Wind speed
10.4 m/s @ 150 m ≈
Revenue & grid
Offtake
CfD · AR3 · £39.65/MWh ◆
Grid
Secured · 24 Mar 2021 ◆
Connection
Lackenby 400kV substation, Teesside ◆
Schedule
FID
24 Mar 2021 ◆
COD · announced
2026-Q3 ◆
COD · Hafrok
for registered readers
Delivery outlook modelled by Hafrok · calibrated on delivered projects
Near certainHafrok's delivery likelihood for Sofia Offshore Wind Farm
The developer says 2026-Q3. Hafrok's year agrees with that date; the 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
6 dated milestones on the spine, each with its source · 2 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 27 sources (25 primary) · ◆ 24 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
[14]
Planning Inspectorate / UK Government2015-08-04◆ Sofia Offshore Windfarm (Dogger Bank Tee…
“On 4 August 2015 the Secretary of State for Energy and Climate Change granted consent for the Dogger Bank Teesside A and B Offshore Wind Farm Order 2015. Following the 2015 consent, Dogger Bank Teessi…”
supportsConsentConsent appliedConsent granted
[15]
BEIS / UK Government2019-09-20◆ Contracts for Difference (CfD) Allocatio…
“Sofia Offshore Wind Farm Phase 1: strike price £39.650/MWh (2012 prices), delivery year 2023/24, capacity awarded 1,400 MW, developer Sofia Offshore Wind Farm Limited.”
supportsMechanismStrike / priceDetailCfD · AR3
[19]
Department for Energy Security and Net Zero2026-05-06◆ Renewable Energy Planning Database (REPD…
“REPD Q1 2026 quarterly extract — Ref ID 6556: Site Name "Sofia (Teesside B)", Development Status "Under Construction", Installed Capacity 1400 MWelec, Operator "RWE Renewables UK Limited"”
supportsRegister entry
[29]
The Planning Inspectorate (PINS)2026-08-23◆ PINS national infrastructure application…
“Project reference EN010051: "Dogger Bank Teesside A / Sofia Offshore Wind Farm (formerly Dogger Bank Teesside B) - Project previously known as Dogger Bank Teesside A&B"; applicant "Forewind Limited"; …”
supportsConsentConsent appliedConsent granted
Operator16
[1]
RWE AG2021-03-24◆ RWE marks financial investment decision …
“RWE, one of the world's leading players in offshore wind, has taken the Financial Investment Decision on its 1.4 gigawatt (GW) flagship Sofia Offshore Wind Farm project. The 100% RWE-owned project rep…”
supportsoperatorConsentFinal investment decisionOnshore constructionOffshore construction+7 more
[2]
RWE AG2020-11-17◆ Power export cable preferred bidder anno…
“Prysmian Group is set to provide a turn-key high voltage submarine and land export cable connection for RWE Renewable's largest offshore wind project, 1.4 gigawatt (GW) Sofia Offshore Wind Farm sited …”
supportsStatusConnection point
[3]
RWE AG2020-12-10◆ RWE chooses Van Oord for foundations and…
“RWE has selected Van Oord as the preferred supplier for monopile foundations and array cables for Sofia Offshore Wind Farm. The 1.4 Gigawatt (GW) Sofia is sited on Dogger Bank in the central North Sea…”
supportsOnshore constructionOffshore constructionFoundationfoundationsturbines+1 more
[4]
RWE AG2023-09-04◆ Offshore construction in the North Sea b…
“Offshore construction has officially started at RWE's 1.4 gigawatt (GW) Sofia Offshore Wind Farm, to install essential subsea cable infrastructure from the UK's north east coast to the wind farm site …”
supportsOnshore constructionOffshore constructionDistance from shore
[5]
RWE AG2024-05-21◆ RWE installs first turbine foundation at…
“RWE has taken a huge step forward in delivering its flagship Sofia Offshore Wind Farm with the installation of the project's first offshore turbine foundation. EPCI contractor Van Oord is operating fo…”
supportsFoundationfoundationsturbinesoffshore construction base
[6]
RWE AG2024-08-29◆ RWE marks major milestone with installat…
“RWE has achieved a major milestone in the delivery of its flagship Sofia Offshore Wind Farm with the successful installation of the Offshore Converter Platform (OCP). The use of HVDC technology enable…”
supportsTotal capacityStatusConnection point
[7]
RWE AG2025-07-15◆ RWE reaches major construction milestone…
“All 100 steel monopile foundation structures have now been installed across the Sofia offshore array on Dogger Bank, 195 km off the north-east coast of the UK. The 1.4 gigawatts (GW) Sofia Offshore Wi…”
supportsTurbinesFoundationWater depthfoundationsturbines+2 more
[8]
RWE AG2025-03-17◆ RWE marks major construction milestones …
“RWE is celebrating significant progress in the construction of its 1.4 gigawatts (GW) Sofia offshore wind farm located on the Dogger Bank off the UK east coast. Wind turbine blades manufactured in Hul…”
supportsOnshore constructionOffshore constructionTurbinesModelUnit capacity+3 more
[9]
RWE AG2025-03-27◆ RWE celebrates next milestone for Sofia …
“The first turbine has been successfully installed at Sofia Offshore Wind Farm. The turbine installation vessel, Wind Peak, from Cadeler, arrived at the offshore site for the first time during the week…”
supportsOnshore constructionOffshore constructionTurbinesModelUnit capacity
[10]
RWE AG2025-11-10◆ RWE completes installation of all recycl…
“62 of the project's 100 Siemens Gamesa 14 megawatts (MW) wind turbines have now been installed. The project remains on track to reach commercial operation in September 2026. Sofia remains firmly on tr…”
supportsCommercial operationCOD historyTurbines
[12]
RWE AG2022-12-21◆ Back to the future – RWE picks Blyth for…
“RWE has signed up Port of Blyth as Offshore Construction Base for its 1.4 gigawatts (GW) Sofia Offshore Wind Farm. Located 195km off the UK coast on Dogger Bank, the new-build Offshore Construction Ba…”
supportsfoundationsturbinesoffshore construction base
[13]
RWE (sofiawindfarm.com)2025-03-17
“The turbine installation vessel the Wind Peak, manufactured by Cadeler, has arrived at the Port of Hull, where it has begun the first load-out of turbine components for the Sofia Offshore Wind Farm.”
supportsfoundationsturbinesoffshore construction base
[20]
National Energy System Operator (NESO)2026-07-21◆ NESO Transmission Entry Capacity (TEC) R…
“NESO TEC Register, edition 21 July 2026 - PRO-000404: Project Name "Sofia Offshore Wind Farm", Customer Name "SOFIA OFFSHORE WIND FARM LIMITED", Connection Site "Lackenby 400kV Substation", MW Connect…”
supportsStatusConnection point
[21]
Cadeler A/S2026-06-12◆ Cadeler completes final turbine installa…
“Copenhagen, 12 June 2026 – Cadeler has completed the installation of all 100 wind turbines at the 1.4 GW Sofia Offshore Wind Farm in the UK North Sea. The installation of turbine number 100 marks the …”
supportsStatus note
[23]
Sofia Offshore Wind Farm (RWE)2026-06-11◆ Rwe completes installation of all turbin…
“RWE, a world leader in offshore wind, has successfully completed the installation of all 100 of its 14 megawatts (MW) turbines at the Sofia Offshore Wind Farm, marking a key milestone in the construct…”
supportsStatus note
[30]
Elexon (BMRS)2026-09-04◆ B1610 actual generation output per gener…
“B1610 Generation, settlement date 2026-09-04: BM unit T_SOFOW-11 (SOFWO-11) settlement periods 1 to 22 quantity -0.009 to -0.004 MWh; settlement period 23 quantity 10.365 MWh; settlement period 24 qua…”
supportsFirst power
OEM1
[11]
Siemens Gamesa2021-03-31◆ Sofia’s giant leap: Siemens Gamesa selec…
“Firm order awarded for delivery of 100 SG 14-222 DD offshore wind turbines from RWE for 1.4 GW Sofia offshore wind power project”
supportsTurbinesModelUnit capacity
Record source2
[31]
Cadeler A/S2026-06-12◆ cadeler-completes-final-turbine-installa…
...e Wind Farm in the UK North Sea. The installation of turbine number 100 marks the completion of Cadeler's turbine installation campaign and Wind Peak's first installation project since her delivery…
supportsWind Peak — turbine installation
[32]
RWE2024-08-29◆ rwe-sofia-ocp-2024-08
The installation was carried out by Heerema, using its Sleipnir heavy lift vessel as a subcontractor to the GE Vernova/Seatrium consortium responsible for the OCP. The platform... weighing over 13,000…
supportsSleipnir — substation installation
Trade press4
[16]
offshoreWIND.biz2026-02-19◆ Two Thirds of Sofia Wind Turbines Instal…
Press report — cited, not quoted; read it at the source link.
supportsCommercial operation
[17]
[18]
[22]
offshoreWIND.biz2026-06-13◆ All 100 siemens gamesa turbines in place…
Press report — cited, not quoted; read it at the source link.
supportsStatus note
Early access