Walney Phase 1

183.6 MW Fully Commissioned United Kingdom

"I like the breadth and depth of the data contained in the database and the fact information is kept up-to-date."

Industry Analyst, Government

map not available
Developer correct
Operator correct
Operator-Offshore Transmission correct
Owner correct
Owner correct
Owner correct
Owner correct
Owner-Offshore Transmission correct
Project Details for Walney Phase 1
General Information Name Walney Phase 1 correct
Other names correct
Country name United Kingdom correct
Region England, North West correct
Comments Cost is for the two sites (Walney 1 and 2) and excludes cost of connection to grid. The assessed transfer value of the Walney 1 project transmission assets is £105,411,350.

Project uses the met mast at Cirrus Shell Flats
Round (or category) Round 2 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 183.6 MW correct
Turbine Model SWT-3.6-107 (Siemens) correct
Turbine Capacity 3.6 MW correct
Number of Turbines 51 correct
Total Turbine Height 137 m correct
Hub Height 83.50 m correct
Rotor Diameter 107 m correct
Foundation Grounded: Monopile correct
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 GBP(mill) 600.00 correct
Location & Environment Sea name Irish Sea (Irish Sea) correct
Centre latitude 54.041° correct
Centre longitude -3.514° correct
Area 28 km2 correct
Depth range (Chart Datum) 19 m - 23 m correct
Depth range stated by developer 19 m - 28 m correct
Distance From Shore (reported) 14 km correct
Distance From Shore (computed from centre) 19.3 km correct
Ports Installation base Barrow and Mostyn correct
Ops and maintenance Barrow correct
Grid Converter/Collector platforms None correct
Offshore transformers Walney Phase 1 Substation correct
Grid connection point Heysham correct
Cable landing point Heysham 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 1 correct
Average length per cable 43 km correct
Transmission type (e.g. HVAC) HVAC correct
Nominal voltage 132 kV correct
Maximum voltage correct
Power rating 192 MVA correct
Number of cores 3 correct
Conductor type Cu correct
Section Area 630 mm2 correct
Insulation XLPE correct
Number fibre optics 48 correct
Export minimum bend radius (MBR) 3 m correct
Burial depth 2 m correct
Comments Diameter 209mm, non-coilable correct
Onshore Cables Number of onshore cables 3 correct
Average length per cable 2.7 km correct
Comments 3 single core, 132kV, 192MVA correct
Array Cables Array cable length 48 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) MVAC correct
Nominal voltage 33 kV correct
Maximum voltage correct
Burial depth 2 m correct
Number of cores 3 correct
Conductor type Cu correct
Section 150/500 mm2 correct
Insulation correct
Power rating correct
Number of fibre optics 40 correct
Minimum bend radius (MBR) correct
Comments ICC: 3 x 150 mm2, 33 kV + fibre optic cable (16 fibres). PCC: 3 x 500 mm2, 33 kV + fibre optic cable (24 fibres).  correct
Benefits Homes powered annually 130036 correct
CO2 reduced per year 262802 tonnes correct
SO2 reduced per year 6112 tonnes correct
Expected life 20.0 years correct
Other Website Visit correct

This page is intended to be viewed online and may not be printed without a valid subscription.

Please view this page at http://www.4coffshore.com/windfarms/windfarms.aspx?windfarmId=UK31.