It says this could cause supply chain issues, "especially as the relatively slow years in 2013 and 2014 are unlikely to give the supply chain the confidence required to invest heavily".
Europe-wide, Renewable UK forecasts annual installed capacities in 2013 and 2014 of around 3GW, suggesting many elements of the supply chain will consider this as their market, rather than that of any single country.
This week Henrik Stiesdal, chief technology officer at Siemens Windpower, talking about supply chain challenges in The Times newspaper, said: "We have a sourcing challenge and a challenge getting it industrialised soon enough".