4C Offshore Empowering Intelligence

Liivi laht Offshore Wind Farm

21 May 2023: The preparation of the project is co-financed by the European Union (€99,000). The project will be developed in two phases: Currently, the Conceptual Engineering Study (Pre-FEED) and permitting of 1GW is ongoing in Estonia thanks to CEF funding. The Estonian part secured the exclusive research license for the 183 km2 Estonian site regarding the initiation of superficies license process. The pre-FEED study on the Estonian side will support the ongoing environmental impact assessment (EIA) with technical data regarding the turbines, foundations, connection cable lines, construction methodologies and other necessary data. Moreover, the pre-FEED study will update the cost estimate as well as operational expenditure estimate of the wind farm. The scope of focus of the pre-FEED study is: -Basic Site Conditions Assessment. -Investigation of available technologies. -Conceptual design for the grid connection. -Cost estimate for the selected concept. -Scope of activities for next phase of engineering design (FEED). The Pre-FEED study is crucial to evaluate the financial feasibility of the hybrid offshore wind park project in the Gulf of Riga.  As a result of the study, the Estonian project promoter will define the overall technical concept of the planned offshore wind farm, take it as a basis for further studies -such as cost benefit. If the study’s outcome is positive and the project will be ultimately carried out, the hybrid offshore wind farms with a RES capacity of up to 2 GW and interconnecting Estonia and Latvia could start their commercial operations by 2030. This will significantly improve both countries’ security of energy supply.
Location:
Estonia
Status:
Concept/Early Planning
Capacity:
960 MW
4C Offshore | Location Map: Lat(57.964) Lon(23.987)

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Project Details Supply Chain Vessels Project Dates
General Information
Name
Liivi laht
Other Names
GORIO, Gulf of riga offshore wind farm, Kihnuedela, Kihnulõuna, Kihnukrundi, Jaagupi, Ruhnu, Liivi Lahe, Liivi Offshore OÜ
Country
Estonia
Development Status
Concept/Early Planning
Category or Round
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Region
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Comments
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Website
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Developers/Owners/Operators
Type
Organisation

Developer

Eesti Energia AS

Eesti Energia AS

Owner

Eesti Energia AS

Eesti Energia AS

Owner

Ørsted A/S (formerly DONG Energy AS)

Ørsted A/S (formerly DONG Energy AS)

Key Dates
Park Construction Starts
Offshore Construction Starts
Submitted For Consent
Consent Authorised
Financial Close
First Power
Full Commissioning
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Costs
Stated Project Cost
Revenue Mechanism
Revenue Details
Revenue
/MWh (EUR /MWh)

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Power & Turbines
Windfarm Capacity
960 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
Gulf of Riga
Latitude
57.963524°
Longitude
Area
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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)
Ports
Installation Base
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Ops and Maintenance
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Grid
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)
Array Cables
Array Cable Length
Nominal Voltage
Comments
Onshore Cables
Number of Onshore Cables
Average Length per Cable
Comments
Expected Life