4C Offshore Empowering Intelligence

Borkum Riffgrund 3 Offshore Wind Farm

07 Aug 2023: Update September 2023: The installation campaign began at Gode Wind 3 and will be followed immediately after by Borkum Riffgrund Update August 2023: Construction work has commenced at Borkum Riffgrund, with vessel Les Alizés installing the first of 107 monopile foundations between Borkum Riffgrund 3 and Gode Wind 3. These monopiles will not feature transition pieces between the foundation and wind turbine tower. Update March 2023: Les Alizés will arrive on site and install the first monopile foundation during summer 2023. Update February 2023: Construction is scheduled to start in summer 2023 in parallel with the Gode Wind 3 project  . The offshore wind farm is scheduled to go into full commercial operation in 2025. Update October 2021: The transport and installation will start in 2023 and will be the first assignment for Les Alizés vessel. Completion is foreseen to be completed in 2024. Update September 2020: Currently assumed start of the installation of the foundations in August 2023. Update March 2020 - Orsted indicates a 2024 start date. Offshore construction start is probable for 2023/24 based on the current target commissioning date 2025.
Under Construction
913 MW
4C Offshore | Location Map: Lat(54.047) Lon(6.194)

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General Information
Borkum Riffgrund 3
Other Names
German Cluster Offshore Windfarm 1, Borkum Riffgrund West 1, Borkum Riffgrund West 2, OWP West.
Development Status
Under Construction
Category or Round
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Ørsted A/S (formerly DONG Energy AS)

Ørsted A/S (formerly DONG Energy AS)


Glennmont Partners

Glennmont Partners

Owner-Offshore Transmission

Tennet Offshore GmbH

Tennet Offshore GmbH

Offshore Construction Starts
Submitted For Consent
Consent Authorised
Financial Close
First Power
Full Commissioning
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Revenue Mechanism
Revenue Details
EUR 0/MWh (EUR 0/MWh)

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Power & Turbines
Windfarm Capacity
913 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
North 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