assessment of the wind energy market until 2012 in 2003 european again enjoyed a considerable growth rate 23 per cent however as already made clear by windenergy study 2002 trend has reached its limit particularly germany at present largest world wide therefore many manufacturers turbines extend their activities to new markets europe and second commissioned hamburg messe und congress gmbh run up fair 2004 shows development year 2030 for this contractor deutsches energie institut dewi carried out survey among companies involved asking them opinion concerning medium long term evaluated answers previous straight away became much cited standard forecast mention most important result first that industry unanimously gives positive international example power capacity installed