Scoping Study for Offshore Wind Farm Development in Scottish Waters

Report

Title: Scoping Study for Offshore Wind Farm Development in Scottish Waters
Publication Date:
November 01, 2011
Pages: 51
Affiliation:
Sponsoring Organization:

Document Access

Website: External Link
Attachment: Access File
(2 MB)

Citation

Davies, I.; Watret, R. (2011). Scoping Study for Offshore Wind Farm Development in Scottish Waters. Report by APS Group Scotland. pp 51.
Abstract: 

The Scottish Government has set a range of challenging targets for energy and climate change. These recognise the potential to take advantage of the extensive marine energy resources (wind, wave and tidal power) available in Scottish waters and include meeting at least 30% of total energy demand from renewable sources by 2020, incorporating:

 

  • 100% of electricity demand from renewables (31% by 2011)
  • 11% of heat demand from renewables
  • 10% of transport fuel from renewables

 

In addition, the Climate Change (Scotland) Act 2009 sets statutory targets of at least 42% emissions cuts by 2020, and at least 80% by 2050.

 

To assist in meeting these targets, a Sectoral Marine Plan for Offshore Wind Energy in Scottish Territorial Waters (Blue Seas - Green Energy) sets out the Government's vision for developing offshore wind energy up to 2020 and beyond and has identified short term development sites for offshore wind up to 2020, with a potential to deliver almost five Gigawatts (GW) of electricity generation capacity; and a further 25 areas for further exploration beyond 2020. Currently, up to 10GW of planned development is in progress at offshore wind sites in Scottish Waters, divided roughly equally between Round 3 sites and sites in Scottish Territorial Waters (STW).

 

A sensitivity analysis of the process used to develop the Plan concluded that, as additional data and monitoring information, and improved data handling procedures, become available, these should be incorporated into the emerging iterative marine planning process, as applied to the medium term options for wind farm development in STW, and to opportunities further offshore.

 

A process was therefore put in place by Marine Scotland to develop a Scoping Report for the potential for offshore wind development in Scottish waters out to 200 nautical miles. This report describes the process employed by Marine Scotland in collaboration with The Crown Estate to develop a series of new offshore wind plan options within STW, and presents the first discussion of development potential outside STW out to 200 nm.

 

The Crown Estate spatial modelling tool MaRS was used to create multi-factorial expressions of the technical opportunities and constraints on offshore wind development in Scottish waters, and of the constraints on consenting presented by themed groups of factors. These themes reflect current commercial (industrial) activities such as fishing, aquaculture and offshore oil and gas, environmental factors such as designated Natura sites, and a broad field of “heritage” interests including recreational uses, archaeological potential, visual and landscape factors. These models have been combined and used to develop overall expressions of the relative degrees of constraint. The sensitivity of the process was investigated through the creation of a series of combined models altering the relative influence of each the themes. Considerable similarities were found between the combined models, and the model that weights the three themes equally was taken forward and used to develop plan options for offshore wind within STW.

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