4C Offshore Empowering Intelligence
11 Jan 2023: The second public consultation started. It was an online public as part of the planning process. The public were able to visit the consultation room and leave feedback. Changes to the project proposal include a change to monopile foundations instead to the gravity foundations originally proposed. The onshore substation is to be built around 3km east of Ardee and the route will be approximately 20km long. The preferred would be mainly under public roads and buried under ground. The project has moved further offshore to reduce the visual impact and the number of turbines reduced from 55 to 25 by using 15 MW turbines. Belfast and Rosslare are being considered as marshalling ports, as well as Mostyn in North Wales. Drogheda, Greenore Port and Kilkeel have potential facilities and are under consideration by the Project to support O&M activities. Crew Transfer Vessels are to be used.
Concept/Early Planning
370 MW
4C Offshore | Location Map: Lat(53.918) Lon(-6.068)

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Power & Turbines
Windfarm Capacity
370 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
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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