Hornsea 4
Part of the Hornsea Zone, East of England. Seabed lease agreed with The Crown Estate March 2016 as part of Round 3 reconfiguration.
Status
Advanced Developmentlifecycle stage
PossibleHafrok delivery likelihood
Ownership
Ørsted — 100% ◆Location
United KingdomNorth Sea
Technology
Capacity
2,400 MW ◆
Turbines
—
Foundation
Fixed-bottom (structure not recorded) ◆
Site & conditions
Site rights
Seabed rights held ∴
Origination
Crown Estate Round 3 · 2010 ·
Water depth
29–52 m ≈
Distance from shore
90 km ◆
Wind speed
10.5 m/s @ 150 m ≈
Revenue & grid
Offtake
CfD · AR6 · £58.87/MWh terminated ◆
Grid
Secured ◆
Connection
Creyke Beck 400kV substation (connection agreement retained … ◆
Schedule
FID
Not taken
COD · Hafrok
for registered readers
Previously on hold
7 May 2025 → 6 May 2026 ◆
Delivery outlook modelled by Hafrok · calibrated on delivered projects
PossibleHafrok's delivery likelihood for Hornsea 4
The developer has stated no date. Hafrok's 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
3 dated milestones on the spine, each with its source · 2 recorded ownership deals from Hafrok's transactions record · the developer's announced-COD history
For registered readers · register below ↓
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
For registered readers · register below ↓
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 18 sources (17 primary) · ◆ 15 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
[1]
Planning Inspectorate2023-07-12◆ Hornsea Project Four Offshore Wind Farm …
“Hornsea Project Four Offshore Wind Farm, reference EN010098. Application granted on 12 July 2023 by the Secretary of State for Energy Security and Net Zero. Applicant: Orsted Hornsea Project Four Limi…”
supportsConsentDistance from shoreConsent appliedConsent granted
[13]
Department for Energy Security and Net Zero2026-05-06◆ Renewable Energy Planning Database (REPD…
“REPD Q1 2026 quarterly extract — Ref ID 2473: Site Name "Hornsea 4", Development Status "Awaiting Construction", Installed Capacity 2600 MWelec, Operator "Orsted (formerly Dong Energy)"”
supportsRegister entry
[17]
Department for Energy Security and Net Zero2026-08-03◆ Renewable Energy Planning Database (REPD…
“REPD Q2 2026 quarterly extract — Ref ID 2473: Site Name "Hornsea 4", Development Status "Planning Permission Granted", Installed Capacity 2400 MWelec, Operator "Orsted (formerly Dong Energy)", Record …”
supportsRegister entry
[18]
The Planning Inspectorate (PINS)2026-08-23◆ PINS national infrastructure application…
“Project reference EN010098: "Hornsea Project Four Offshore Wind Farm"; applicant "Orsted Hornsea Project Four Limited"; Stage "Post-decision"; anticipated submission Q2 2020; applied 2021-09-29; accep…”
supportsConsentConsent appliedConsent granted
[20]
legislation.gov.uk (The National Archives)2023-07-12◆ The Hornsea Four Offshore Wind Farm Orde…
“Work No. 1 (a) an offshore wind turbine generating station with a gross electrical output of over 100 megawatts comprising up to 180 wind turbine generators, each fixed to the seabed by one of monopil…”
supportsFoundation
Operator8
[2]
Ørsted A/S2025-05-07◆ Orsted to discontinue the Hornsea 4 offs…
“Orsted has today decided to discontinue the Hornsea 4 project in the UK in its current form. Since the Contract for Difference (CfD) award in allocation round 6 (AR6) in September 2024, the 2,400 MW H…”
supportsPreviously on holdTotal capacityportOn hold
[3]
Ørsted A/S2024-09-03◆ Ørsted’s Hornsea 3 and Hornsea 4 awarded…
"The UK Department for Energy Security and Net Zero (DESNZ) has awarded Orsted contracts for difference (CfD) for a 1,080 MW share of the Hornsea 3 Offshore Wind Farm, as well as a 2,400 MW CfD for Ho…
supportsMechanismStrike / priceDetail
[4]
Ørsted A/S2026-02◆ Ørsted Annual Report 2025
“Hornsea 4 remains in the pipeline, as we continue to hold seabed rights, a grid connection agreement, and a development consent order. [...] In Q2 2025, we decided to discontinue our offshore wind pro…”
supportsBackground
[6]
Ørsted A/S2026-05-06◆ Ørsted Q1 2026 earnings call transcript
“We have moved Hornsea 4 back into development. We are moving that forward well and according to plan and we will be able to participate with that project should we decide to do so from AR9 and onwards…”
supportsPreviously on hold
[8]
Ørsted2025-05◆ Orsted to discontinue the Hornsea 4 offs…
“Ørsted has today decided to discontinue the Hornsea 4 project in the UK in its current form. ... We'll keep the project rights for the Hornsea 4 project in our development portfolio, and we'll seek to…”
supportsoperator
[12]
Ørsted A/S2024-10◆ Web Hornsea 4 Newsletter Oct 2024
“I am delighted to confirm that Hornsea 4 offshore wind farm has been awarded a 2,400 MW contract for difference (CfD). This is a major milestone for the project and we are now focused on moving toward…”
supportsCOD history
[14]
National Energy System Operator (NESO)2026-07-21◆ NESO Transmission Entry Capacity (TEC) R…
“NESO TEC Register, edition 21 July 2026 - PRO-000435-1: "Hornsea Power Station 4", Status "Scoping", MW Connected 0, Effective From 2028-10-30, Customer "ORSTED HORNSEA PROJECT FOUR LIMITED"; PRO-0004…”
supportsStatusConnection point
[19]
Ørsted2026-08◆ Hornsea 4 summer newsletter, August 2026
“We’re delighted to share that Hornsea 4 has now entered its seabed lease – an important milestone in the continued development of the project. [...] We were clear when we discontinued the project in 2…”
supportsStatusConnection point
Auction results1
[22]
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…
supportsOfftake history
Auction pipeline1
[23]
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 press3
[9]
4C Offshore (TGS)2026-07-02
Press report — cited, not quoted; read it at the source link.
supportsCoordinates
[10]
[11]
Early access