Greater Gabbard
504 MW Fully Commissioned United Kingdom

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Industry Analyst, Government


Latest Windfarm News
Orbis cements German link
reNews
UK-based innovation centre OrbisEnergy has signed a memorandum of understanding with German wind energy agency WAB for collaborative working on North Sea offshore projects. The agreement was signed during a visit by an 11-strong delegation from ...
Source: news.google.com
19/09/2014 15:28:28

Research and Markets: Feasibility Study of Wind Power in India-2014: A Guide ...
Business Wire (press release)
... Types of Generators, Electrical Dynamics of Wind Turbine Model, Modern Trends in Wind Farms, Offshore Wind Turbine Development, Development of Off-shore Wind Equipment Technologies, Simplified Off-shore Wind Farm, A Study of Indian Wind Energy ...
Source: news.google.com
19/09/2014 14:47:34

Swire jack-up joins Gemini squad
reNews
Swire Blue Ocean has signed a deal to provide an installation vessel for Van Oord at the 600MW Gemini offshore wind farm off the Netherlands. The company operates Pacific Orca and Pacific Osprey (pictured) and will help tackle the 150 foundations and ...
Source: news.google.com
19/09/2014 14:16:33

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

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

More British wind energy capacity online
UPI.com
The U.K. Green Investment Bank in March acquired a 10 percent stake in the Gwynt y Mor offshore wind farm from Germany's RWE Innogy for $360 million. That project is the largest offshore wind farm under construction in Europe, with more than 500 MW of ...
Source: news.google.com
19/09/2014 11:12:07

Rentocean Selected by Van Oord
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 10:42:43

Swedish steel for floating platforms
SteelGuru
Swedish steel specialist SSAB is entering into an agreement with Hexicon AB to develop far off shore wind farm platforms. The combined technology will offer advantages within the market for renewable energy. A first demonstration unit is planned for ...
Source: news.google.com
19/09/2014 05:25:04

Renewable energy company vow to restore land in Bicker Fen cable laying plan
Boston Target
A renewable energy company is making moves to address concerns over a bid to lay 40 miles of cable connecting an offshore wind farm to the National Grid. The 60m wide and 40 mile long strip of land to lay the cable for connecting Triton Knoll to the grid is ...
Source: news.google.com
18/09/2014 06:18:50

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




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 correct
Operator correct
Owner correct
Owner correct
Owner-Offshore Transmission
Greater Gabbard OFTO plc
correct
Project Details for Greater Gabbard
General Information Name Greater Gabbard correct
Other names GGOWL correct
Country name United Kingdom correct
Region England, East of England correct
Comments Project CAPEX cost derived from Fluor's end of year financial reports: 2008 saw an initial project cost of $1.8 billion, charges were then added to Fluor's accounts in 2010 ($343m), 2011 ($60m) and 2012 ($416m). Values were adjusted according to inflation and converted to GBP, bringing the April 2013 estimated CAPEX cost at around £1.883 billion.

The total estimated value of the Greater Gabbard Transmission Assets is £323,666,658 including financing and transaction costs (22nd November 2013); included in this value are the offshore substation, cables, onshore substation, connection costs, development, transaction costs and interest during construction.
correct
Round (or category) Round 2 correct
Development status Fully Commissioned 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 504 MW correct
Turbine Model SWT-3.6-107 (Siemens) correct
Turbine Capacity 3.6 MW correct
Number of Turbines 140 correct
Total Turbine Height 131 m correct
Hub Height 77.50 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 USD(mill) 2619.00 correct
Location & Environment Sea name North Sea, Southern North Sea (Thames) correct
Centre latitude 51.883° correct
Centre longitude 1.935° correct
Area 146 km2 correct
Depth range (Chart Datum) 4 m - 37 m correct
Depth range stated by developer 20 m - 32 m correct
Distance From Shore (reported) 36 km correct
Distance From Shore (computed from centre) 32.5 km correct
Ports Installation base Harwich / Verbrugge Zeeland correct
Ops and maintenance Lowestoft correct
Grid Converter platforms None correct
Offshore transformers Greater Gabbard - Galloper Array Substation, Greater Gabbard - Inner Gabbard Substation correct
Grid connection point Leiston 132kV Substation correct
Cable landing point Sizewell 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 3 correct
Average length per cable 45.5 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 800 mm2 correct
Insulation XLPE correct
Number fibre optics 48 correct
Export minimum bend radius (MBR) correct
Burial depth at least 1 m correct
Comments correct
Onshore Cables Number of onshore cables 3 correct
Average length per cable 0.59 km correct
Comments 132kV, 3 core cables correct
Array Cables Array cable length 173 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 1 m correct
Number of cores 3 correct
Conductor type Cu correct
Section 240 mm2 correct
Insulation XLPE correct
Power rating 50 MVA correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments With 48 Single Mode 9/125/245µm fibres. Class 2 stranded conductors with longitudinal water blocking; Semi conductive extruded conductor screen; Semi-conductive core screen; Copper tape metallic screen. Armour package comprising single layer galvanised steel wire. 4.2mm Polyethylene outer sheath. correct
Benefits Homes powered annually 328780 correct
CO2 reduced per year 664464 tonnes correct
SO2 reduced per year 15453 tonnes correct
Expected life correct
Other Website Visit correct