Wind data are drawn from ARUP (2011) with median case assumptions. More up-to-date cost estimates and load factors for solar technology have been provided by the IEA Renewables Division. Germany and United Kingdom data are 2012 estimates from BSW (2012) and Parsons (2012), while data for France, the Republic of Korea and the United States are drawn from IEA publications of 2010 (IEA 2010a, 2010b and 2010c), with a 33% reduction in order to account for the afore-mentioned decrease in market prices.