|align = "center"|'''Subsidiary M&A'''
|-
|* SE Forge (Oct 2010)<br>* RE Power Systems (Dec 2009)<br>* RE Power Systems AG (Jun 2009)<br>* RE Power Systems AG (Jun 2008)<br>* RE Power Systems AG (Jun 2007)
|* RE Power Systems (Aug 2010)<br>* Swibi AG (Jun 2010)<br>* Hansen Transmissions (Apr 2009)<br>* Denker & Wulf AG-Quitzow Wind (Mar 2009)<br>* Hansen Transmissions (Jan 2009)<br>* SE Forge (Oct 2008)
|* RE Power Systems AG acquired PROASEGO Wind Park (May 2010)<br>* RE Power Systems Swiz acquired stake in Wind farm Corleto Perticara (Aug 2010)<br>* AE-Rotor Techniek of the Netherlands acquired Eve Holding NV, a manufacturer of wind turbines (Mar 2006)