SeaTwirl Prototype III
Decommissioned Sweden
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35 Countries, 1173 Windfarms, 7307 Stakeholders, 2711 Events, 161 Vessels, 131 Turbines NEW, 35 Ports,
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Featured Ports
Featured Port
Port of Aalborg, Denmark Image of <%# Eval("PortName") %> Maximum Trenched Depth: 9.3 m
Entrance Width: 110 m
Spring Tidal Range: 0.3 m
Quay Length: 200 m
Quay Loading Capability: 42 tonnes/m2
Land for Development: 300 ha
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Who is generating power
Who's Generating Power?
1.  United Kingdom - 1858.40 MW
2.  Denmark - 874.48 MW
3.  China - 351.00 MW
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Whose Turbines are Generating?
Whose Turbines are Generating?
1.  Siemens Wind Power A/S (Siemens AG) - 1522.00 MW
2.  Vestas Offshore A/S (Vestas Wind Systems A/S) - 1404.12 MW
3.  REpower Systems AG (Suzlon Energy Limited) - 250.00 MW
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RoleOrganisationDescription 
Developer Ehrnburg Solutions AB correct
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Vessels on SeaTwirl Prototype III
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Statistics for SeaTwirl Prototype III
Database in ExcelDatabase as Spreadsheet
Wind Farm Name SeaTwirl Prototype III correct
CountrySweden
Region Halmstad correct
SeaName Kattegat correct
Centre Latitude 56.629° (Note: Estimated/Illustrative Location)
Centre Longitude 12.848° (Note: Estimated/Illustrative Location)
Did you know? Its easy to add a map with this windfarm to your website! More...
Round, tender or call 
Development Status Decommissioned correct
Comments on the Status 
Status Documentation
Capacity correct
Turbine Capacity correct
Number of Turbines 1 correct
Turbine Model SeaTwirl (Ehrnberg Solutions AB ) correct
10 Year Mean Wind Speed (2000-2009) Available online now
Other wind speed data at this location: 6 hr/day/month historic data..., BERR, NERL
(Now incorporating NERL models for USA Projects!)
Weather Forecast Services Weather Solutions For Offshore Wind Power
Rotor Diameter correct
Total Turbine Height correct
Hub Height correct
Other comments 1:50 scale prototype the turbine could be scaled up to 10MW. The structure gathers in seawater when it is rotating in the wind. When the wind stops the seawater is transferred from the structure back to the centre, spinning the turbine and producing energy even when the wind has stopped blowing.
Previous prototypes have been tested in tanks at Gothenburg University in 2007 and a 4m tall prototype was installed in a lake in Smaland, Sweden to test the water as a roller concept. correct
Foundation Floating: Spar Floater correct
Notice any Errors? Please help keep this an open and free resource by submitting corrections.
Area
Water Depth Min (Chart Datum) correct
Water Depth Max (Chart Datum) correct
Depth range stated by developer correct
Distance From Shore (reported) correct
Distance From Shore (computed from wind farm centre)
Export Cable Length correct
Infield Cable Length correct
Estimated Infield Cable Length This information is available in the purchased database - please enquire.
Export Cable Capacity 5 kV correct
Infield Cable Capacity correct
Number of Export Cables correct
Export Cable Type correct
Cable Description correct
Number of Offshore Substations correct
Grid Connection Point correct
Cable Landing Point correct
Annual Capacity Factor correct
Expected Life correct
Estimated Capital Cost (CapEx) This information is available in the purchased database - please enquire.
Stated Project Cost correct
Notice any Errors? Please help keep this an open and free resource by submitting corrections.
Port For Installation Base correct
Port For Ops and Maintenance correct
Number of homes powered annually:
CO2 Reduced Per Year
SO2 Reduced Per Year
Website Visit correct

Events on SeaTwirl Prototype III
Database in ExcelDatabase in Excel
DateTypeDescriptionSourceCorrect
03-Sep-2011
Event Type: Decommissioning - Decommissioning -
The tests at sea have been completed. Visit correct
Aug-2011
Event Type: Operation - Generating Power Operation - Generating Power
Started to generate power when it was installed. Visit correct
Aug-2011
Event Type: Installation - Turbine Installation Installation - Turbine Installation
In this month the SeaTwirl was deployed. Visit correct

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