Robin Rigg

174 MW Fully Commissioned United Kingdom

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Latest Update: 17 November 2015
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Operator correct
Operator-Offshore Transmission
E.ON staff also currently have responsibility for maintenance of offshore substations and HV cable and grid connection.
Owner correct
Owner-Offshore Transmission
TC Robin Rigg OFTO Ltd (Transmission Capital Partners)
Project Details for Robin Rigg
General Information Name Robin Rigg correct
Other names correct
Country name United Kingdom correct
Region England, North West correct
Comments Mt Hojgaard was sued by E.ON in April 2014 due to problems with the grouting. In April 2015 this court ruling was overturned by the London Court of Appeal. correct
Round (or category) Round 1 correct
Development status Fully Commissioned correct
Comments on the status correct
Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections!
Project Capacity 174 MW correct
Turbine Model V90-3.0 MW Offshore (Vestas) correct
Turbine Capacity 3 MW correct
Number of Turbines 58 correct
Total Turbine Height 125 m correct
Hub Height 80.00 m correct
Rotor Diameter 90 m correct
Foundation Grounded: Monopile correct
Windspeed 10 Year Mean Wind Speed (2000-2009) Available online now
Costs Stated Project Cost GBP(mill) 381.00 correct
Location & Environment Sea name Irish Sea correct
Centre latitude 54.756° correct
Centre longitude -3.710° correct
Area 18 km2 correct
Depth range (Chart Datum) 0 m - 12 m correct
Depth range stated by developer 4 m - 13 m correct
Distance From Shore (reported) 11 km correct
Distance From Shore (computed from centre) 11.5 km correct
Ports Installation base Maryport, Workington and Whitehaven. Belfast and Mostyn (pre-assembly) correct
Ops and maintenance Workington correct
Grid Converter/Collector platforms None correct
Offshore transformers Robin Rigg East Substation, Robin Rigg West Substation correct
Grid connection point 2km inland from Seaton, Cumbria correct
Cable landing point Seaton, Cumbria correct
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 correct
Average length per cable 12.5 km correct
Transmission type (e.g. HVAC) HVAC correct
Nominal voltage 132 kV correct
Maximum voltage correct
Power rating correct
Number of cores 3 correct
Conductor type Cu correct
Section Area 300 mm2 correct
Insulation XLPE correct
Number fibre optics 48 correct
Export minimum bend radius (MBR) correct
Burial depth 3 m correct
Comments correct
Onshore Cables Number of onshore cables 2 correct
Average length per cable 1.8 km correct
Comments 132kV correct
Array Cables Array cable length 42 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) MVAC correct
Nominal voltage 33 kV correct
Maximum voltage 36 kV correct
Burial depth correct
Number of cores 3 correct
Conductor type Cu correct
Section 150 /400 mm2 correct
Insulation correct
Power rating correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments 24,8km 36kV 3x150mm2 and 24,8km 36kV 3x150mm2 power cables correct
Benefits Homes powered annually 123236 correct
CO2 reduced per year 249061 tonnes correct
SO2 reduced per year 5792 tonnes correct
Expected life 20.0 years correct
Other Website correct

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