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Windfarm extension: Vattenfall says...

Kentish Flats Extension

Vattenfall has started a discussion and consultation with the local community, local authorities and statutory consultees regarding the extension of Kentish Flats Offshore Wind Farm. It would like to extend the 30-turbine scheme by between 10 and 17 turbines and if 3 megawatt (MW) turbines are used this would give an additional installed total capacity of between 30 and 51MW.

If consented and built Vattenfall expects the extension to generate between 90,000 megawatt hours and just over 150,000 megawatt hours (MWh) of green electricity every year, which is equivalent to the total annual electricity needs of between 20,000 UK households and 35,000 UK households*.

If extended, Kentish Flats, with between 120 and 141MW total installed capacity would be expected to generate between 350,00MWh and just over 430,000MWh of green electricity every year, which is equivalent to the total annual electricity needs of between 82,000 UK households and 96,000 UK households.

Due to its size the proposal will be considered and consented by the Infrastructure Planning Commission following an extensive community consultation with the people of Kent. Discussions with the IPC have already taken place and if you would like to find out more about the consultation process please visit:
IPC- Kentish Flats extension - Pre-application (new window)
IPC - planning commission (new window)

The zone that Vattenfall is considering to develop the extension in is more than 7km from shore and covers nearly 8 sq km. More information will follow shortly about Vattenfall's plans, the community consultation and how the public can effectively engage with Vattenfall ahead of a planning application sometime in 2011.

In May this year Vattenfall was offered the opportunity to extend both Kentish Flats and Thanet Offshore Wind Farms by The Crown Estate, which leases the seabed on behalf of the UK Government to wind farm developers like Vattenfall. Vattenfall assessed the feasibility of both projects and has decided to seek consent from the IPC for an extension to Kentish Flats only.

The Crown Estate (new window)

The 90MW Kentish Flats has been generating green electricity since 2005. Find out more about this project by visiting:
Kentish Flats Offshore Wind Farm (, new window)

*This is calculated in the following way:
Number of hours in the year: 8760
Installed capacity: 30 to 51MW
Average industry capacity factor for offshore wind: 35%
Average annual UK household electricity consumption: 4,478 kilowatt hours (kWh)
For example: (8760 x 30 x 35%) x 1000 = 91,980,000kWh divided by 4,478 = 20,540 homes.

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