Greater Changhua 2a - South West Offshore Wind Farm

Status:
Pre-Construction
Capacity:
294.8 MW
Location:
Taiwan

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General Information
Name
Greater Changhua 2a - South West
Other names
大彰化西南離岸風力發電計畫 SW Greater Changhua Offshore Wind Farm Da-Chang-Hua (Greater Changhua) Offshore Wind Farm Changhua 1-6 - Development Zone, Changhua 2 ZoP 14
Country
Taiwan
Development status
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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

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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Revenue mechanism
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Revenue details
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Revenue (MWh)
5516
Revenue (EUR/MWh)
162.17

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08 Feb 2021: Feb 2021: Greater Changhua 1&2a passed the reivew, In Nov, Greater Changhua 1 passed the review and 2a needs a further review given the unsolved underwater noises problems. In Oct 2020, Environmental Protection Department of the Executive Yuan held the preliminary review meeting of the "Difference Analysis Report on the Environmental Impact of the Greater Changhua 1 & 2a". Changes mainly includes the foundation design of turbines and offshore substations, as well as seabed anti-scouring protection area. The maximum seabed anti-scouring protection area of ​​each wind turbine is increased from 800 square meters to 3100 square meters; offshore substations changed to 7,300 square meters. The EIA committee questioned the correctness of the simulation analysis of the sedimentation of suspended solids, because the developer changed the operational method of the tube rappel, but the original parameters did not change. In addition, in the part of the safety factor, the developer was required to check the calculation and offer simulation information. In addition, in order to reduce underwater noise, the Environmental Protection Commission hopes that the developer will evaluate the best operation method of the bubble curtain, including bubble density control, double-layer bubble curtain and other noise reduction operations. At the end, the developer was required to make amendments and then review. The Environmental Protection Commission also mentioned that the developer is requested to assess the duration of the ecological monitoring project during operation for at least 6 years, and incorporate the effect of artificial reef fish accumulation into the monitoring project.
Power & Turbines
Windfarm capacity
294.8 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
Taiwan Strait
Latitude
24.174978°
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)
1
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)
0
Average length per cable (DC)
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Additional requirements (DC)
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Nominal voltage (DC)
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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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