Gemini

600 MW Consent Authorised Netherlands

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Developers/Owners/Operators
RoleOrganisation 
Main Contractor-EPC correct
Operator
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Owner correct
Owner correct
Owner correct
Owner correct
Project Details for Gemini
General Information Name Gemini correct
Other names Buitengaats & ZeeEnergie, BARD-Nederland Offshore, GWS Offshore NL1, 64 (ID assigned by authority), correct
Country name Netherlands correct
Region Friesland correct
Comments Northland Power detailed that Gemini will be developed in two 300MW sites (Buitengaats & ZeeEnergie) in an investor presentation released on the 16th July 2014 for a total cost of 2.8 billion EUR. The capital will be covered by approximately 70% senior debt, 7% junior debt, 15-16% equity and 7-8% pre-completion revenues.

A separate grid company will own, maintain and operate the offshore transformer station(s), export cabling and all other grid related assets, except for the infield cabling.

Financing breakdown total financing is around EUR 2.8 billion. EUR 500 million - shareholders: Northland Power, Siemens, Van Oord & HVC. EUR 200 million - subordinated loans: Northland Power, Canada & PKA, Denmark. EUR 2 billion - bank loans: ABN AMRO Bank, the Netherlands, Bank Nederlandse Gemeenten, the Netherlands, Banco Santander, Spain, Bank of Montreal, Canada, Bank of Tokyo-Mitsubishi UFJ, Japan, BNP Paribas, France, CaixaBank, Spain, CIBC World Markets, Canada, Deutsche Bank, Germany, EIB. Europese Investeringsbank, Luxembourg, Natixis, France, Sumitomo Mitsui Banking Corporation, Japan, EKF, Denmark, Euler Hermes, Germany, Export Development Canada & Delcredeire|Ducroire, Belgium.
correct
Round (or category) Round 2 (NL) correct
Development status Consent Authorised correct
Comments on the status Awarded SDE subsidies from the Dutch government, in total EUR 4.4 billion. correct
Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections!
Project Capacity 600 MW correct
Turbine Model SWT-4.0-130 (Siemens) correct
Turbine Capacity 4 MW correct
Number of Turbines 150 correct
Total Turbine Height 154 m correct
Hub Height 89.00 m correct
Rotor Diameter 130 m correct
Foundation Grounded: Monopile (Each Foundation weighs between 670-916 tons. Diameter 7m at base, 5.5m at top. Length: 59-73m.) 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) 2800.00 correct
Location & Environment Sea name North Sea correct
Centre latitude 54.036° correct
Centre longitude 5.963° correct
Area 68 km2 correct
Depth range (Chart Datum) 32 m - 34 m correct
Depth range stated by developer 28 m - 36 m correct
Distance From Shore (reported) 85 km correct
Distance From Shore (computed from centre) 70.2 km correct
Ports Installation base Eemshaven, BOW Terminal - Vlissingen (storage and transfers of foundations) correct
Ops and maintenance Eemshaven correct
Grid Converter/Collector platforms None correct
Offshore transformers Gemini Substation 1, Gemini Substation 2 correct
Grid connection point Oude Schild correct
Cable landing point Oude Schild 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 2 correct
Average length per cable 102 km correct
Transmission type (e.g. HVAC) HVAC correct
Nominal voltage 220 kV correct
Maximum voltage correct
Power rating correct
Number of cores correct
Conductor type Al correct
Section Area 800-1200 mm2 correct
Insulation correct
Number fibre optics correct
Export minimum bend radius (MBR) correct
Burial depth correct
Comments Buitengaats cable is 93km and ZeeEnergie's is 102km. Land cable is approx 5km. correct
Onshore Cables Number of onshore cables 6 correct
Average length per cable 0.3 km correct
Comments Once at the transformer station the voltage will be icnreased to 380 kV. correct
Array Cables Array cable length 105 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) correct
Nominal voltage 33 kV correct
Maximum voltage correct
Burial depth correct
Number of cores correct
Conductor type correct
Section correct
Insulation correct
Power rating correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments Over 100km of array cable correct
Benefits Homes powered annually 424953 correct
CO2 reduced per year 858830 tonnes correct
SO2 reduced per year 19973 tonnes correct
Expected life 20.0 years correct
Other Website Visit correct
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