Latest event on Gwynt y Môr

Geophysical survey operations carried out by Fugro Seeker from 13th March until 31st March-15th April depending on the weather. Read more

Latest Update: 31 March 2018

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Developers/Owners/Operators Database in Excel | Add your Organisation
RoleOrganisation 
Developer correct
Operator
correct
Operator-Offshore Transmission
Balfour Beatty signed a 20 year operations and maintenance contract. The contract was signed in February 2015 and will run until 2035.
correct
Owner correct
Owner
JV with RWE Innogy, Siemens & the UK Green Investment Bank. Own 30%.
correct
Owner
JV with RWE Innogy, Stadtwerke Munchen & the UK Green Investment Bank. Own 10%.
correct
Owner
Sold a 10% stake to the UK Green Investment Bank and now own 50% of the project. Now in a JV with RWE Innogy, Stadtwerke Munchen and Siemens. Previously: JV with Stadtwerke Munchen & Siemens. Own 60%.
correct
Owner-Offshore Transmission 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 Fully Commissioned correct
Power & Turbines 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 137.9 m correct
Hub height 84.40 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
Costs Stated project cost EUR(mill) 2700.00 correct
Location & Environment Sea name Irish Sea correct
Centre latitude 53.459° correct
Centre longitude -3.585° correct
Area 68 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) 17.4 km correct
Ports Installation base Mostyn (Turbines)/Birkenhead (Foundations) correct
Ops and maintenance Mostyn correct
Grid Converter/Collector 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) AC correct
Nominal voltage 132 kV correct
Maximum voltage correct
Power rating correct
Number of cores 3 correct
Conductor type 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 correct
Section 185/500 mm2 correct
Insulation 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 407955 correct
CO2 reduced per year 824477 tonnes correct
SO2 reduced per year 19174 tonnes correct
Expected life correct
Other Website Visit correct

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123
StatusName
Decommissioned Beatrice Demonstration Beatrice Demonstration
Decommissioned Blyth Blyth
Fully Commissioned Barrow Barrow
Fully Commissioned Blyth Offshore Demonstrator Project - Array 2 Blyth Offshore Demonstrator Project - Array 2
Fully Commissioned Burbo Bank Burbo Bank
Fully Commissioned Burbo Bank Extension Burbo Bank Extension
Fully Commissioned Dudgeon Dudgeon
Fully Commissioned Galloper Galloper
Fully Commissioned Greater Gabbard Greater Gabbard
Fully Commissioned Gunfleet Sands Gunfleet Sands
Fully Commissioned Gunfleet Sands 3 - Demonstration Project Gunfleet Sands 3 - Demonstration Project
Fully Commissioned Gwynt y Môr Gwynt y Môr
Fully Commissioned Humber Gateway Humber Gateway
Fully Commissioned Hunterston Test Centre - Mitsubishi 7MW (onshore) Hunterston Test Centre - Mitsubishi 7MW (onshore)
Fully Commissioned Hunterston Test Centre - Siemens 6MW (onshore) Hunterston Test Centre - Siemens 6MW (onshore)
Fully Commissioned Hunterston Test Centre (onshore) Hunterston Test Centre (onshore)
Fully Commissioned Hywind Scotland Pilot Park Hywind Scotland Pilot Park
Fully Commissioned Inner Dowsing Inner Dowsing
Fully Commissioned Kentish Flats Kentish Flats
Fully Commissioned Kentish Flats Extension Kentish Flats Extension
Fully Commissioned Levenmouth demonstration turbine Levenmouth demonstration turbine
Fully Commissioned Lincs Lincs
Fully Commissioned London Array London Array
Fully Commissioned Lynn Lynn
Fully Commissioned North Hoyle North Hoyle
Fully Commissioned Ormonde Ormonde
Fully Commissioned Race Bank Race Bank
Fully Commissioned Rhyl Flats Rhyl Flats
Fully Commissioned Robin Rigg Robin Rigg
Fully Commissioned Scroby Sands Scroby Sands
Fully Commissioned Sheringham Shoal Sheringham Shoal
Fully Commissioned Teesside Teesside
Fully Commissioned Thanet Thanet
Fully Commissioned Walney Phase 1 Walney Phase 1
Fully Commissioned Walney Phase 2 Walney Phase 2
Fully Commissioned Wave Hub Wave Hub
Fully Commissioned West of Duddon Sands West of Duddon Sands
Fully Commissioned Westermost Rough Westermost Rough
Partial Generation/Under Construction Rampion Rampion
Partial Generation/Under Construction Walney Extension Walney Extension
Under Construction Aberdeen Offshore Wind Farm (EOWDC) Aberdeen Offshore Wind Farm (EOWDC)
Under Construction Beatrice Beatrice
Under Construction East Anglia ONE East Anglia ONE
Under Construction Hornsea Project One Hornsea Project One
Pre-Construction Hornsea Project Two Hornsea Project Two
Consent Authorised Blyth Offshore Demonstrator Project - Array 3A & 4 Blyth Offshore Demonstrator Project - Array 3A & 4
Consent Authorised Dogger Bank - Creyke Beck A Dogger Bank - Creyke Beck A
Consent Authorised Dogger Bank - Creyke Beck B Dogger Bank - Creyke Beck B
Consent Authorised Dogger Bank - Teesside A Dogger Bank - Teesside A
Consent Authorised Dounreay Trì Dounreay Trì
123
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