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

"4C provides regular updates of in-depth data relative to our needs."

Reef Subsea


Latest Windfarm News
Vattenfall to scrap Yttre Stengrund
reNews
Vattenfall has abandoned plans to repower its 10MW Yttre Stengrund offshore wind farm in the Kalmar Sound, Sweden. The company told local media in its home country that it is planning to decommission the project, which was broung online in 2001 and ...
Source: news.google.com
18/09/2014 17:30:53

Global Offshore Wind Market To Reach 40 GW By 2020
CleanTechnica
Offshore wind power is increasingly being explored for its high yield, due to stronger and more consistent winds compared to onshore, and the scope that this provides for the construction of large-scale projects,” said Swati Singh, GlobalData's Analyst ...
Source: news.google.com
18/09/2014 16:41:35

Isle of Man picks 1GW team
reNews
The Isle of Man says it has decided on preferred bidders for its proposed 1GW offshore wind farm and for more than one tidal energy project in its waters. However, Ken Milne, senior manager for energy policy at the Isle of Man Department for Economic ...
Source: news.google.com
18/09/2014 16:31:00

Vattenfall to shut offshore plant
Recharge
The plant has been owned by Vattenfall since 2006 and was its first offshore park in Sweden. "Vattenfall invests in wind power wherever it is profitable. So we have chosen to decommission this wind farm prematurely and restore the sea bed and ground ...
Source: news.google.com
18/09/2014 16:08:44

Availon GmbH launches energy management business
Renewable Energy Focus
Availon Energy Management, or AEM, primarily focuses on the calibration and optimisation of wind forecasts, which are in part based on the specific features of the respective wind farms. The standardisation of communications between all areas makes it ...
Source: news.google.com
18/09/2014 15:31:56

Analysis: What is Siemens doing about onshore wind?
Windpower Monthly (subscription)
A 2.3MW turbine being installed at Whitelee wind farm, Scotland, in 2009 This raises a number of questions. Is all going well? Offshore wind companies are increasingly becoming stand-alone joint ventures, cases in point being MHI Vestas Offshore Wind and ...
Source: news.google.com
18/09/2014 10:15:56

OCEANTEAM SHIPPING ASA - RENTOCEAN SELECTED BY VAN OORD TO ...
Your Renewable News (press release)
The turntable and additional equipment will be used for storage of cables at Eemshaven, The Netherlands for the Gemini Offshore Wind Farm. This will be one of the largest wind farms in the world in terms of size and production. It will be built in the Dutch part ...
Source: news.google.com
18/09/2014 10:13:24

Germany Opens 'Offshore Wind Island'
Industrialinfo.com (subscription)
GALWAY, IRELAND--September 18, 2014 --Written by Martin Lynch, European News Editor for Industrial Info (Galway, Ireland) The German island of Heligoland is fast becoming the hub of German North Sea windfarm development following the official ...
Source: news.google.com
18/09/2014 09:10:49

New Wind Farm Bearing Monitoring Technology
The Maritime Executive
Ricardo and KONGSBERG have announced that they have signed a framework agreement that will see Ricardo support the development of the Kongsberg Wind Farm Management System (WFMS) as well as related condition monitoring systems for a range of ... found in wind farm supervisory control and data acquisition systems, and offers a modern and intuitive user interface based on KONGSBERG's wide ranging experience in automation and decision support systems for the defense, maritime and offshore oil ...
Source: news.google.com
18/09/2014 16:54:23

Gaelectric snaps up Imperative Energy
Insider Media
The acquisition of the company, which has its UK base in Manchester, means Gaelectric now has an "established presence" in four renewable energy sectors; onshore wind, offshore wind, energy storage and now biomass energy. Founded in 2007 ...
Source: news.google.com
18/09/2014 07:07:32




4C Offshore Ltd. has achieved certification to the ISO 9001, ISO 14001 and OHSAS 18001 standards for quality, environmental, and health & safety management.
map not available
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 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