1. Airtricity (2006) European Offshore Supergrid Proposal, Airtricity, Dublin, May, 24pp.
2. BWEA (2006) Offshore Wind: at a Crossroads, British Wind Energy Association, April, 16pp.
3. Deutsche Energie-Agentur (Germany Energy Agency) website: http://www.renewables-made-in-germany.com/
4. Massy, J. (2005) “Turbulent Waters Create Market Drag”, Windpower Monthly, April, pp 45–52.
5. PIU (2002) The Energy Review, Performance and Innovation Unit (now Prime Minister's Strategy Unit), Annex 6: The Potential for Cost Reductions and Technological Progress in Low Carbon Technologies, pp 189–199. UK Cabinet Office Report.