Gwynt y Môr
576 MW Partial Generation/Under Construction United Kingdom

"The team at 4C Offshore offer an excellent service - The team are very approachable and deal with any queries quickly and efficiently"

Barry Stolp, Marketing Manager IHC Hydrohammer


Latest Windfarm News
Swire Blue Ocean A/S signs key contract for provision of installation vessel ...
PortNews IAA
Projects in 2014 include the completion of the foundation installation campaign by Pacific Orca for Borkum Riffgrund 1 for Dong Energy and the installation of wind turbine generators on Dan Tysk Offshore Windfarm by Pacific Osprey for Vattenfall, amongst ...
Source: news.google.com
30/09/2014 10:05:05

Inch Cape Offshore Limited Lights Up Wind Farm with ZephIR Lidar, Supported ...
DigitalJournal.com
ZephIR 300 has been mounted on a platform on the north east of the lighthouse using a specially designed support frame measuring wind direction and wind velocity and will augment wind measurements from onshore sources and from a dedicated offshore ...
Source: news.google.com
29/09/2014 16:16:54

Offshore Winds Soon to Power Cape Cod: Part I
Huffington Post (blog)
Cape Wind, North America's first offshore wind farm, will soon install 130 windmills off the coast of southeastern Massachusetts to provide roughly three-quarters of the electricity required by the residents of Cape Cod, Martha's Vineyard, and Nantucket.
Source: news.google.com
29/09/2014 15:00:43

Merseyside offshore wind farm given green light
PlanningResource (subscription)
The Burbo Bank Extension offshore wind farm, north-west of the Wirral coastline, covers an area of up to 40 sq km and has an estimated generating capacity of up to 250MW. It includes up to 69 turbines with a maximum height of 223 metres, alongside ...
Source: news.google.com
29/09/2014 12:32:39

Use The FORCE: Cost Of Offshore Wind Energy Really Could Drop 40%
CleanTechnica
That dovetails precisely with what CleanTechnica heard about the falling cost of offshore wind energy at the WindEnergy Hamburg 2014 trade fair last week, which came in at around 30–40%. So, what is DNV GL and why is it so confident that the cost of ...
Source: news.google.com
29/09/2014 12:29:14

Green field: Graduate opportunities in renewable energy
The Engineer
There are now 648 wind projects in operation with a total of 4,525 onshore turbines with a capacity of 7,448MW and 1,075 offshore turbines with a capacity of 3,653MW. That includes the world's largest wind farm, the 630MW London Array in the outer Thames ...
Source: news.google.com
29/09/2014 11:14:17

North Coates Flying Club may be forced to close if wind farm compounds go ahead
Grimsby Telegraph
CAMPAIGNERS insist changes to plans to build works compounds for an offshore wind farm don't go far enough to lift the threat of closure hanging over their airfield. As reported, North Coates Airfield could be forced to close if renewables firm SMart Wind ...
Source: news.google.com
29/09/2014 08:34:59

Dong Energy secures UK approval for extension of Burbo Bank offshore wind farm
Energy Business Review
Dong Energy has secured development consent from the UK Department for Energy and Climate Change for the 250MW extension to Burbo Bank offshore wind farm. offshore wind farm. Located in the Liverpool Bay, north west of the Wirral coastline, the ...
Source: news.google.com
29/09/2014 07:31:34

UK approves Dong Energy's Burbo Bank offshore wind farm extension
CleanTechnology News, Industry Analysis, Market Research Reports - Clean Technology Business Review
UK Planning Inspectorate chief executive Simon Ridley said: "This is a significant application for the offshore wind energy sector. The Examining Authority took full account of views from communities, particularly in the north west of England, who might be ...
Source: news.google.com
29/09/2014 07:23:35




4C Offshore Ltd. has achieved certification to the ISO 9001, ISO 14001 and OHSAS 18001 standards for quality, environmental, and health & safety management.
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Developers/Owners/Operators
RoleOrganisation 
Developer
Gwynt y Mor Offshore Wind Farm Limited (RWE Innogy UK (formerly RWE npower renewables))
correct
Operator
Gwynt y Mor Offshore Wind Farm Limited (RWE Innogy UK (formerly RWE npower renewables))
correct
Owner correct
Owner correct
Owner correct
Owner correct
Owner-Offshore Transmission
Balfour Beatty Equitix Consortium
correct
Project Details for Gwynt y Môr
General Information Name Gwynt y Môr correct
Other names Gwynt y Mor correct
Country name United Kingdom correct
Region Wales, North correct
Comments Hub height provided is the maximum height.

Between the 25th May and the 10th of August Seaway Heavy Lifting vessel Stanislav Yudin set a record for the rate of foundations installed. 80 monopiles and 32 transition pieces in 77 days.
correct
Round (or category) Round 2 correct
Development status Partial Generation/Under Construction correct
Comments on the status See events table for latest status correct
Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections!
Project Capacity 576 MW correct
Turbine Model SWT-3.6-107 (Siemens) correct
Turbine Capacity 3.6 MW correct
Number of Turbines 160 correct
Total Turbine Height 151.5 m correct
Hub Height 98.00 m correct
Rotor Diameter 107 m correct
Foundation Grounded: Monopile (Steel monopiles measure between 45 - 64 metres long and approximately 6 metres wide.) 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 EUR(mill) 2700.00 correct
Location & Environment Sea name Irish Sea (Irish Sea) correct
Centre latitude 53.460° correct
Centre longitude -3.599° correct
Area 86 km2 correct
Depth range (Chart Datum) 13 m - 32 m correct
Depth range stated by developer 12 m - 28 m correct
Distance From Shore (reported) 16 km correct
Distance From Shore (computed from centre) 18 km correct
Ports Installation base Mostyn (Turbines)/Birkenhead (Foundations) correct
Ops and maintenance Mostyn correct
Grid Converter platforms None correct
Offshore transformers Gwynt y Mor OSPE Substation, Gwynt y Mor OSPW Substation correct
Grid connection point Bodelwyddan, St Asaph Business Park, Denbighshire correct
Cable landing point Pensarn, nr Abergele 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 4 correct
Average length per cable 21.3 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 500 mm2 correct
Insulation correct
Number fibre optics correct
Export minimum bend radius (MBR) correct
Burial depth correct
Comments correct
Onshore Cables Number of onshore cables 12 correct
Average length per cable 11 km correct
Comments 132kV correct
Array Cables Array cable length 148 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) MVAC correct
Nominal voltage 33 kV correct
Maximum voltage correct
Burial depth correct
Number of cores 3 correct
Conductor type Cu correct
Section 185/500 mm2 correct
Insulation XLPE correct
Power rating correct
Number of fibre optics 48 correct
Minimum bend radius (MBR) correct
Comments 161 array cables in total. correct
Benefits Homes powered annually 375748 correct
CO2 reduced per year 759387 tonnes correct
SO2 reduced per year 17660 tonnes correct
Expected life correct
Other Website Visit correct
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