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Dowsing offshore wind farm
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Inner Dowsing
97.2 MW
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Status
Name
Barrow
Beatrice Demonstration
Blyth
Burbo Bank
Greater Gabbard
Gunfleet Sands 3 - Demonstration Project
Gunfleet Sands I + II
Inner Dowsing
Kentish Flats
London Array Phase 1
Lynn
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Featured Port
Able Humber Port, United Kingdom
Maximum Trenched Depth: 11 m
Entrance Width: 840 m
Spring Tidal Range: 6.4 m
Quay Length: 1279 m
Quay Loading Capability: 20 tonnes/m
2
Land for Development: 647 ha
More details...
Offshore Wind Ports
Aalborg Port
Able Humber Port
Able Middlesbrough Port
Able Seaton Port
BOW Terminal Vlissingen
EastPort UK
Great Yarmouth - Fendercare Marine Equipment & Lifting Services
Harwich Navyard
Lyness - Fendercare Marine
Newhaven - Fendercare Marine
Port of Wilhelmshaven
Rebo terminal, port of Oostende
Rønne Havn
Vlissingen - Verbrugge Terminals
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Who's Generating Power?
1.
United Kingdom
-
3321.2000 MW
2.
Denmark
-
871.4800 MW
3.
China
-
559.5000 MW
More...
Whose Turbines are Generating?
1.
Siemens Wind Power A/S (Siemens AG)
-
3084.8000 MW
2.
Vestas Offshore A/S (Vestas Wind Systems A/S)
-
1401.1200 MW
3.
REpower Systems AG (Suzlon Energy Limited)
-
434.5000 MW
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Developers/Owners/Operators
Database as Excel
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Role
Organisation
Description
Developer
GLID Wind Farms Topco Ltd
Now jointly owned by centrica and TCW. Whilst project was being implemented centrica was sole developer.
Operator
GLID Wind Farms Topco Ltd
Now jointly owned by Centrica and TCW
Owner
Centrica Renewable Energy Limited
(Centrica PLC)
Centrica sold 50 per cent equity stake in its Lynn, Inner Dowsing and Glens of Foudland wind farms for £84 million (Total amount for the scheme) to TCW. Centrica bought Inner Dowsing project from Renewable Energy Systems (RES) Ltd and British Energy Renewables Ltd in 2003.
Percentage:
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Owner
EIG Partners(formerly TCW Group, Inc.)
Centrica sold 50 per cent equity stake in its Lynn, Inner Dowsing and Glens of Foudland wind farms for £84 million
Percentage:
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Statistics for Inner Dowsing
Database in Excel
General Information
Name
Inner Dowsing
Other names
Country name
United Kingdom
Region
England, East Midlands
Comments
The cost for both Lynn and Inner Dowsing Projects is "at least 300m GBP". The Oct 2009 equity sale and project finance round values the project at GBP460m in aggregate, or, if split pro-rata by MW, 230m GBP for each of Lynn and Inner Dowsing.
Round (or category)
Round 1
Development status
Fully Commissioned
Comments on the status
Power & Turbines
Notice any Errors?
You can keep this an open resource by submitting corrections!
Project Capacity
97.2 MW
Turbine Model
SWT-3.6-107 (Siemens)
Turbine Capacity
3.6 MW
Number of Turbines
27
Total Turbine Height
133.5 m
Hub Height
80.00 m
Rotor Diameter
107 m
Foundation
Grounded: Monopile
Download Database for Excel
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
GBP(mill) 150.00
Location & Environment
Sea name
North Sea, Southern North Sea (Humber)
Centre latitude
53.191°
Centre longitude
0.446°
Area
10 km
2
Depth range (Chart Datum)
6 m - 8 m
Depth range stated by developer
6 m - 18 m
Distance From Shore (reported)
5 km
Distance From Shore (computed from centre)
6.2 km
Ports
Installation base
Skegness, Esbjerg (pre-assembly)
Ops and maintenance
Skegness/Grimsby
Grid
Converter platforms
None
Offshore transformers
None
Grid connection point
Middlemarsh, Skegness
Cable landing point
Skegness, Lincolnshire
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
Average length per cable
6.6 km
Transmission type (e.g. HVAC)
MVAC
Nominal voltage
33 kV
Maximum voltage
36 kV
Power rating
Number of cores
3
Conductor type
Cu
Section
Insulation
XLPE
Number fibre optics
Minimum bend radius (MBR)
Burial depth
2 m
Comments
Onshore Cables
(new)
Number of onshore cables
Average length per cable
5 km
Comments
33kV
Array Cables
Array cable length
16 km
Estimated cable length
In purchased database
Transmission type (e.g. MVAC)
MVAC
Nominal voltage
33 kV
Maximum voltage
36 kV
Burial depth
Number of cores
3
Conductor type
Cu
Section
Insulation
XLPE
Power rating
Number of fibre optics
Minimum bend radius (MBR)
Comments
Benefits
Homes powered annually
54349
CO
2
reduced per year
109840 tonnes
SO
2
reduced per year
2554 tonnes
Expected life
25.0 years
Other
Website
Visit
Events on Inner Dowsing
Database in Excel
1
2
Date
Type
Description
Source
Correct
May-2012
Operation - Service and Maintenance
An issue with the grouting has resulted in all of the foundations needing to be secured.
Visit
23-Jun-2011
Operation - Service and Maintenance
Preventative maintenance will be performed by replacing the pitch bearings of all of the turbines.
Visit
08-Mar-2011
Decommissioning - Met Mast
Met mast and trial pile decommissioned - Each structure estimated to take 2 days to remove using MV Resolution
Visit
Mar-2009
Operation - Fully Commissioned
Commissioning was completed and the wind farm became fully operational.
Visit
Dec-2008
Operation - Generating Power
Estimated date for first power.
Visit
21-Oct-2008
Installation - Turbine Installation
Major construction completed.
Visit
Jul-2008
Installation - Cable installation
Export cable lay complete.
Visit
Jul-2008
Installation - Turbine Installation
Turbine installation complete.
Visit
18-Mar-2008
Installation - Turbine Installation
Turbine installation to begin late March
Visit
2008
Installation - Cable installation
Infield cable lay finishes.
Visit
1
2
Please click to add windfarm events via this link, providing approximate date etc. Possible events include consent submission, approval, installation, generating power etc.
Comments on Inner Dowsing offshore wind farm
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Added:
Thu, 02 Aug 2012 04:33:00 GMT
We are International Ship Sales-Purchase-Charter brokers, in business for over 36 years and operating out of our office here in St. John's, Newfoundland. We have the following units described below, which we feel, may be of interest to you. Please see attached information on the Canadian heavy-lift barge "Marine Link Explorer" with 2 x 214 mt derricks and the twin-screw 3,470 hp Canadian tug. I have more information and a series of photos on these units which I acn send as attachments to following e-mails.Please advise if you want this additional information and photos. We feel that you may have a need for this marine equipment for use in installation of offshore turbines. Units are located in Eastern Canada. Thank you, success and regards, John A. Andrews Fogo Boat Brokerage Neptune International Shipping Inc. 120 LeMarchant Road, P.O. Box 6211 (Station "C") St. John's, Newfoundland,> Canada. A1C 5X8 Tel (office): 1 (709) 754-1003 Tel (mobile): 1 (709) 727-9616 Facsimile: 1 (709) 754-1015
John Andrews
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