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General Information Name Borkum Riffgrund I Other names Country name Germany Region Exclusive Economic Zone (DolWin) (BSH Cluster 2 in Draft Network Plan) Comments Round (or category) Development status Consent Authorised Comments on the status Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections! Project Capacity 277.2 MW Turbine Model SWT-3.6-120 (Siemens) Turbine Capacity 3.6 MW Number of Turbines 77 Total Turbine Height Hub Height Rotor Diameter 120 m Foundation Grounded: Monopile Download Database for Excel Windspeed 10 Year Mean Wind Speed (2000-2009) Available online now Detailed wind speed data 6 hr/day/month historic data Costs Stated Project Cost EUR(mill) 1250.00 Location & Environment Sea name North Sea Centre latitude 53.967° Centre longitude 6.554° Area 36 km2 Depth range (Chart Datum) 23 m - 29 m Depth range stated by developer 23 m - 29 m Distance From Shore (reported) 54 km Distance From Shore (computed from centre) 55 km Ports Installation base Harbour Norddeich Ops and maintenance Harbour Norddeich Grid Converter platforms DolWin Alpha, DolWin Gamma Offshore transformers Borkum Riffgrund I Substation Grid connection point DolWin1 (alpha) offshore converter platform - Diele substation (Onshore) Cable landing point Hilgenriedersiel Export Cables Please note that export cables connect the offshore transformer (substation) to either; shore or an offshore HVAC-HVDC converter station for onward transmission via HVDC cabling. Please see the converters page for planned converter stations and transmission cables. The export cable length does not generally include the onshore component. The exception is when the onshore substation is close to shore. Number of Export Cables 2 Average length per cable 12 km Transmission type (e.g. HVAC) HVAC Nominal voltage 155 kV Maximum voltage Power rating Number of cores Conductor type Section Insulation Number fibre optics Minimum bend radius (MBR) Burial depth Comments Onshore Cables (new) Number of onshore cables Average length per cable Comments Array Cables Array cable length Estimated cable length In purchased database Transmission type (e.g. MVAC) MVAC Nominal voltage 24 kV Maximum voltage Burial depth Number of cores Conductor type Section Insulation Power rating Number of fibre optics Minimum bend radius (MBR) Comments Benefits Homes powered annually 154996 CO2 reduced per year 313247 tonnes SO2 reduced per year 7285 tonnes Expected life Other Website Visit

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