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22 Feb 2024: Update March 21 2024: The project has been accepted by the Planning Inspectorate for review. The application sets out a timeline for the project, which is expected to begin construction in 2026, and reach COD in 2030. Design envelope: • Up to 96 offshore turbines with a rotor diameter of 320 m and a maximum height of 364 m. • Onshore substation up to 400 kV, alongside an up to 400 kV cable that runs from the onshore station, located south of Bodelwyddan to a National Grid substation at Bodelwyddan. • Up to 360 km of offshore export cabling and up to 50 km of interconnector cabling. • Up to 325 km of inter-array cabling. • 15 km onshore cable corridor with landfall at Llanddulas running to the onshore substation. Update February 2024: Mona have submitted an application to the Planning Inspectorate, which is due to be accepted/rejected for examination by 21st March. Update: Formal submission of documents for DCO Submission is scheduled for Q1 2024 (was previously October 2023)
United Kingdom
Consent Application Submitted
1500 MW
4C Offshore | Location Map: Lat(53.704) Lon(-3.914)

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General Information
Other Names
Project Elizabeth; Yellow South
United Kingdom
Development Status
Consent Application Submitted
Category or Round
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EnBW Energie Baden-Württemberg AG

EnBW Energie Baden-Württemberg AG


BP plc

BP plc

Offshore Construction Starts
Submitted For Consent
Consent Authorised
Financial Close
First Power
Full Commissioning
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Revenue Mechanism
Revenue Details
/MWh (EUR /MWh)

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Power & Turbines
Windfarm Capacity
1500 MW
Turbine Model
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Other Turbine(s) Used
Min. Turbine Capacity (MW)
Max. Turbine Capacity (MW)
Min. Number of Turbines
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Max. Number of Turbines
Total Turbine Height
Hub Height
Rotor Diameter
Foundation Type
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Foundations on Wind Farm
Foundation Comments

Location & Environment
Sea Name
Irish Sea and St Georges Channel
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Depth Range (Chart Datum)
Depth Range (Stated by Developer)
Distance from Shore (Developer)
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Distance from Shore (Computed)

Installation Base
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Ops and Maintenance
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Number of Offshore Platform(s)
Shared Platform Type
Grid Connection Point
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Cable Landing Point

Export Cables (AC & DC)
Number of Export Cables (AC)
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Average Length per Cable (AC)
Additional Requirements (AC)
Nominal Voltage (AC)
Number of Export Cables (DC)
Average Length per Cable (DC)
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Additional Requirements (DC)
Nominal Voltage (DC)

Nominal Voltage

Onshore Cables
Number of Onshore Cables
Average Length per Cable
Expected Life