Weltweite Kontakte/Institutionen/Nord Amerika 

USA

  EREN

Energy Efficiency and Renewable Energy Network 

National Renewable Energy Laboratory 

Golden, Colorado USA

  NWTC

National Wind Technology Center

USA

  California Energy Commission

USA 

  WRC 

Wind Research Cooperative, Oregon States University's, USA 

  AEI 

Alternative Energy Institute 

USA (Texas) 

 

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