23 Sep 2020: Developers have submitted a draft Environmental Impact Assessment Programme for approval. The draft EIA sets out a drastically different wind farm description to previous plans, foreseeing up to 75 x 14-18 MW fixed turbines, with variants of 1-3 x 350 MW layout. 350 MW is a minimum imposed by the government, with additional phases potentially incorporating hydrogen technology. Due to potential radar influence, developers have proposed payment of 1-2 million euros every year to defence agencies in order to support joint air monitoring system BALTNET. The developer was considering interconnection with Latvia (which would have required a transboundary EIA) but has abandoned this plan due to a.) Gulf of Riga fisheries do not want additional impact on fish migration b.) developers suggestions were not incorporated in the Marine Spatial Plan c.) the Estonian and Latvian Ministries of Economy are currently approving a protocol of common intentions and would compete with private companies in the construction of a wind farm and connection cables in the Gulf of Riga. Included in the EIA Programme is the intention for a feasibility study on hydrogen production, from the offshore substation and / or onshore substation and an electricity and / or hydrogen transmission system up to the onshore connection point (s). The study will investigate the pipeline to the transmission network, conversion to ammonia-marine fuel, rail transport with the restoration of the former Virtsu railway, land transport and re-conversion to electricity. Revised wind farm plans still incorporate synergy with mussel farming to increase revenue and mitigate environmental impacts, with expectations of achieving 50,000 tons/year.
Location:
Estonia
Status:
Concept/Early Planning
Capacity:
1050 MW
4C Offshore | Location Map: Lat(58.106) Lon(23.339)

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Power & Turbines
Windfarm Capacity
1050 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
58.105992°
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)
3
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
Comments

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