Hiiumaa Offshore Wind Farm

Estonia
Concept/Early Planning
960 MW Capacity
03 Jan 2024: Enefit Green has received approval from Estonia's Ministry of Climate for their Environmental Impact Assessment (EIA) for the Hiiumaa wind farm, giving their opinion for the building permit procedure to go ahead. After reviewing the submitted EIA, the Ministry had decided to select the fourth turbine configuration alternative provided which, after mitigation measures are implemented, would mean a total capacity of 960 MW from 48 turbines. This is 140 MW less than Enefit Green had applied for. This implies the use of 20 MW turbines, which may rule out Enefit Greens preferred suppliers Siemens Gamesa or Vestas as these are not currently available and currently (as of January 2024) being produced by Mingyang. The building permit procedure will be carried out by Estonia's Technical Regulation Authority, TTJA, and is estimated to be granted over the coming weeks.
4C Offshore | Location Map: Lat(59.149) Lon(22.467)
Project Details Supply Chain Vessels Project Dates
General Information
Name
Hiiumaa
Other Names
Hiiu meretuulepark; Hiiu Offshore Wind Park; Hiiumaa avamere tuulepark; Loode-Eesti tuulepargi; Vindkovi madal; Apollo madal; Loode-Eesti Meretuulepark
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

Developer

Hiiumaa Offshore Tuulepark OU

Hiiumaa Offshore Tuulepark OU

Owner

Enefit Green (formerly Nelja Energia AS)

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

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Power & Turbines
Windfarm Capacity
960 MW
Turbine Model
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Other Turbine(s) Used
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Min. Turbine Capacity (MW)
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Max. Turbine Capacity (MW)
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Min. Number of Turbines
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Max. Number of Turbines
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Total Turbine Height
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Hub Height
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Rotor Diameter
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Foundation Type
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Foundations on Wind Farm
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Foundation Comments
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Location & Environment
Sea Name
Baltic Sea
Latitude
59.148539°
Longitude
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Area
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Depth Range (Chart Datum)
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Depth Range (Stated by Developer)
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Distance from Shore (Developer)
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Distance from Shore (Computed)
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Ports
Installation Base
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Ops and Maintenance
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Grid
Number of Offshore Platform(s)
3
Shared Platform Type
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Grid Connection Point
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Cable Landing Point
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Export Cables (AC & DC)
Number of Export Cables (AC)
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Average Length per Cable (AC)
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Additional Requirements (AC)
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Nominal Voltage (AC)
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Number of Export Cables (DC)
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Average Length per Cable (DC)
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Additional Requirements (DC)
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Nominal Voltage (DC)
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Array Cables
Array Cable Length
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Nominal Voltage
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Comments
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Onshore Cables
Number of Onshore Cables
Average Length per Cable
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Comments
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Expected Life
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