1. National Grid Seven Year Statement, available at: http://www.nationalgrid.com/uk/sys%5F06/default.asp?action=mnchE_5.htm&Node=SYS&Snode=E_5&Exp=Y#Generation
2. BWEA UK Wind Farm Statistics, available at: http://www.bwea.com/statistics/, accessed 25th June 2007
3. UK Energy White Paper, May 2007, DTI, available at: http://www.dti.gov.uk/files/file39387.pdf