Information about Gemini, the soon to be largest windfarm worldwide to be build 85 kilometers out of the Groningen coastline. Not to be seen from land. In the end we will produce clean renewable energy for over 785.000 households. And we will reduce up to 1.250.000.000 kg carbon-dioxide.

1. 85
km

2. 85
February 2009:
Permits granted, Typhoon Offshore
starts development of Gemini in
cooperation with BARD
km
2009
154 m
2010
May 2010:
SDE granted
130 m
2011
2012
December 2012:
EIB board approval for EUR 500
million loan
August 2013:
Equity consortium complete
Equity consortium publically
announced upon providing EUR 40
million of bank guarantees to Dutch
government
Q2 2014:
Start construction
2013
2014
April 2012:
Siemens Wind Power appointed
as preferred supplier
89 m
January 2013:
Negotiations with potential equity
sponsors
220 m
August 2011:
Typhoon Offshore acquires full
control of Gemini from BARD
Start redesign and optimalisation
of Gemini
November 2013:
Commercial bank launch
Q1 2014:
Financial close
24,6 m
18,6 m
2015
Q2 2015:
Installation foundations
and turbines
0,0m
Q2 2016:
First power to shore
2017
Q1 2017:
Full power
Commissioning commercial
operations
27,5 - 37,5 m
2016

3. Official name
Gemini
Status
Under development
Area of windfarm
2 x 34 km2
Location
North of the Dutch coast
Country
Netherlands
Distance from shore
85 km
Water depth
28 - 36 m
Developer
Gemini
EPC/BOP
Van Oord Offshore Wind Projects BV
Construction Start estimated
Q2 2014
Operator
Northland Power Inc.
Operation and maintenance WTG
Siemens Wind Power
Commission Year estimated
Q1 2017
Total Capacity to be installed
600 MW
Annual Estimated Production
~2,6 TWh/Year
Transformer
2 Offshore substations
Transformer
1 Onshore transformer station
Infield Voltage Level
33 kV
Export Voltage Level
220 kV
Export Cable Length/Material
110 km /Copper
Transmission Type
HVAC
Manufacturer turbine
Siemens
Model
SWT4.0 - 130
Rated Power pr. Turbine
4.0 MW
Number of Turbines
150
Rotor Diameter
130 m
Rotor Area
13.300 m2
Rotor Speed (rated)
5013 rpm
Hub Height (above average sea level)
88,5 m
Blade Type
B63
Blade Length
63 m

4. Equity sponsors