Hornsea 3
Will be world's single largest offshore wind farm. Part of Hornsea Zone cluster with total ~8GW potential.
Status
Under Constructionlifecycle stage
Near certainHafrok delivery likelihood
Ownership
Ørsted — 50% ◆Apollo-led consortium — 50% ◆
Location
United KingdomNorth Sea
Technology
Capacity
2,852 MW ◆
Turbines
197 × 14 MW ◆
Model
Siemens Gamesa SG 14-236 DD ◆
Foundation
Monopile ◆
Site & conditions
Site rights
Seabed rights held ∴
Origination
Crown Estate Round 3 · 2010 ·
Water depth
26–67 m ≈
Distance from shore
120 km ◆
Wind speed
10.3 m/s @ 150 m ≈
Revenue & grid
Offtake
CfD · AR4 · £37.35/MWh ◆
Grid
Secured ◆
Connection
Norwich Main 400kV ◆
Schedule
FID
Dec 2023 ◆
COD · announced
2028-Q1 ◆
COD · Hafrok
for registered readers
Delivery outlook modelled by Hafrok · calibrated on delivered projects
Near certainHafrok's delivery likelihood for Hornsea 3
The developer says 2028-Q1. Hafrok's year agrees with that date; the year, the chance and the working are for registered readers.
Free for registered readers in early access · register below ↓
Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
4 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 30 sources (21 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.
Regulator5
[3]
Planning Inspectorate2020-12-31◆ Hornsea Project Three Offshore Wind Farm…
“This application was granted on 31 December 2020. ... Approximately 120km offshore, to the east of Trimingham [Norfolk]. ... Hornsea Project Three Offshore Wind Farm ... This project is at the post-de…”
supportsConsentConsent appliedConsent granted
[7]
GOV.UK (DESNZ / Low Carbon Contracts Company)2024-09-03◆ Contracts for Difference Allocation Roun…
“Hornsea Project Three Offshore Wind Farm AR6 A / AR6 B / AR6 C — TG210034 England ORSTED HORNSEA PROJECT THREE (UK) LIMITED — Offshore Wind — Permitted Reduction — 360.00 [MW each] — 54.23 [£/MWh] — 2…”
supportsMechanismDetail
[22]
Department for Energy Security and Net Zero2026-05-06◆ Renewable Energy Planning Database (REPD…
“REPD Q1 2026 quarterly extract — Ref ID 2472: Site Name "Hornsea 3", Development Status "Awaiting Construction", Installed Capacity 2955 MWelec, Operator "Orsted (formerly Dong Energy)"”
supportsRegister entry
[30]
Department for Energy Security and Net Zero2026-08-03◆ Renewable Energy Planning Database (REPD…
“REPD Q2 2026 quarterly extract — Ref ID 2472: Site Name "Hornsea 3", Development Status "Under Construction", Installed Capacity 2955 MWelec, Operator "Orsted (formerly Dong Energy)", Record Last Upda…”
supportsRegister entry
[31]
The Planning Inspectorate (PINS)2026-08-23◆ PINS national infrastructure application…
“Project reference EN010080: "Hornsea Project Three Offshore Wind Farm"; applicant "Orsted Hornsea Project Three (UK) Ltd"; Stage "Post-decision"; anticipated submission May 2018; applied 2018-05-14; a…”
supportsConsentConsent appliedConsent granted
Operator11
[11]
Ørsted2026-02-11◆ First foundations for Orsted Hornsea 3 O…
“Ørsted has taken delivery of the first sets of monopiles for its Hornsea 3 Offshore Wind Farm. … The monopiles, the first of a total of 197, produced for Hornsea 3, the world's single largest offshore…”
supportsTurbinesFoundationWind Ally — foundation installation
[13]
Ørsted2025-07◆ Orsteds Hornsea 3 backs Teesworks Steel …
“Ørsted's Hornsea 3 backs Teesworks' Steel River Quay as first large-scale offshore wind port users [marshalling of monopile foundations].”
supportsfoundations / marshallingsecondary steel
[20]
Ørsted2023-12-20◆ Orsted takes final investment decision o…
“Ørsted has taken final investment decision (FID) on the world's single largest offshore wind farm, Hornsea 3, which will have a capacity of 2.9 GW and is expected to be completed around the end of 202…”
supportsFinal investment decisionModelUnit capacityMechanismStrike / price+1 more
[21]
Ørsted (Interim report, first quarter 2026)2026-05-06◆ Ørsted interim financial report Q1 2026
“The project is approx. 25 % complete, and the installation of turbine foundations was initiated late in April. … Following discussions with National Grid and National Energy System Operator regarding …”
supportsOffshore constructionFirst powerCommercial operationCOD history
[23]
National Energy System Operator (NESO)2026-07-21◆ NESO Transmission Entry Capacity (TEC) R…
“Hornsea Power Station 3,HORNSEA PROJECT THREE (UK) LIMITED,Norwich Main 400kV Substation,1,0,2250,2250,01/10/2026,Consents Approved,Direct Connection,NGET,Energy Storage System;Wind Offshore,…,PRO-000…”
supportsStatusConnection point
[24]
Ørsted A/S2026-02◆ Orsted — green finance impact report 202…
"Hornsea 3 2,852 UK Under construction 2023-2027 1,881 5,844 - √" ... "Eksfin Hornsea 3 525 5252 2,852 – 127"
supportsTotal capacity
[25]
Ørsted2025-03-31◆ Orsted — orsted factsheet asset book q1 …
“OFFSHORE - Asset Book updated as of 31 March 2025 ... Hornsea 3 (197 x SGRE-14.0)1 | 2852 | 2852 | 0 | Full | 1 | 1 | expected 2027 | CFD | 2042 | 37.35 / 54.23 | -”
supportsTurbines
[27]
Ørsted A/S2025-Q3◆ Ørsted Q3 2025 earnings call transcript
“We continue to manage the risks related to the installation of the project, and we remain on track for commissioning in the second half of 2027.”
supportsCommercial operation
[28]
Ørsted A/S2026-05-06◆ Ørsted Q1 2026 earnings call transcript
“For Hornsea 3, we have made significant progress. We have commenced the installation of turbine foundations, pulled the export cable onshore to meet its onshore counterpart and successfully installed …”
supportsStatus note
[29]
Ørsted2026-Q2◆ Orsted — orsted q2 2026 ir presentation
"Commercial operation date Q4 2027 / Q1 2028" ... "Degree of completion ~30 %, up from 25 % in Q1 2026" ... "Of the total 197 positions, the project has installed 43 turbine foundations, and the inst…
supportsBackgroundStatus note
[36]
Ørsted2026-09-22◆ Second Hornsea 3 Offshore Converter Stat…
“Both of Hornsea 3's Offshore Converter Stations have now been successfully installed. ... The installation of this second Offshore Converter Station marks another important milestone”
supportsStatus note
Auction results2
[37]
BEIS (gov.uk)2022-07◆ cfd-ar4-results-2022
Offshore Wind (Pot 3) cleared GBP 37.35, delivery 2026/27: Inch Cape Phase 1 1,080.00 MW; EA3 Phase 1 1,372.34 MW; Norfolk Boreas Phase 1 1,396.00 MW; Hornsea Project Three 2,852.00 MW; Moray West 294…
supportsCfD · AR4
[38]
DESNZ (gov.uk)2024-09◆ cfd-ar6-results-2024
New offshore wind (Pot 3) GBP 58.87, 2028/29: Hornsea Project Four 2,400.00 MW; East Anglia Two Phase 1 963.07 MW. Offshore Wind Permitted Reduction GBP 54.23, 2027/28: Inch Cape A 177.41 / B 88.70 MW…
supportsCfD · AR6
Record source4
[39]
Cadeler A/S2026-06-14◆ cadeler-installs-first-complete-monopile
...e scopes across vessels and project partners. The monopile itself was installed by Cadeler’s purpose-built A-class vessel, Wind Ally, while Wind Orca executed the installation of secondary steel. T…
supportsWind Orca — foundation installation
[40]
offshore-energy.biz / offshoreWIND.biz2026-05-14◆ oe-norse-energi-windanker-hornsea3-2026-…
Press report — cited, not quoted; read it at the source link.
supportsNorse Energi — turbine installation
[41]
Cadeler A/S2023-04-25◆ cadeler-orsted-two-contracts-2023-04
The second contract is for the installation of around half of the Wind Turbine Generators (WTGs) required. The turbine project is forecast to begin just as the foundations project is completed around …
supportsVessel — turbine installation
[42]
Heerema2026-03-24◆ heerema-hfg-hornsea-3-first-jacket-2026-…
This first jacket, Link 01, stands 54 meters tall and will support one of the project's Offshore Converter Stations (OCS)... Link 01 was loaded out on Wednesday, 11 March, and was towed to the SSCV Sl…
supportsSleipnir — substation installation
Trade press8
[1]
offshoreWIND.biz2023-12-21
Press report — cited, not quoted; read it at the source link.
supportsFinal investment decisionUnit capacityTotal capacity
[2]
offshoreWIND.biz2026-05-14◆ First monopile installed at hornsea 3 of…
Press report — cited, not quoted; read it at the source link.
supportsOffshore constructionTurbinesModelFoundationDistance from shore
[14]
offshoreWIND.biz2025-09-26
Press report — cited, not quoted; read it at the source link.
supportsfoundations / marshallingsecondary steel
[15]
offshoreWIND.biz2025-12◆ Apollo Becomes Co-Owner of Hornsea 3 Off…
Press report — cited, not quoted; read it at the source link.
supportsoperatorowner
[16]
Windpower Monthly2026-05-06
Press report — cited, not quoted; read it at the source link.
supportsCommercial operation
[17]
Vozpopuli2026-05-25
“Orsted says National Grid has informed it of a delay tied to works at the Norwich Main substation, shifting expectations to first power in Q1 2027 and commissioning across Q4 2027 into Q1 2028. Projec…”
supportsCommercial operation
[18]
[19]
Early access