The GTZ TERNA wind energy programme has concluded two cooperation agreements. One is with the Bundesverband WindEnergie (BWE - German Wind Energy Association) and the Verband Deutscher Maschinen und Anlagenbau (VDMA - German Engineering Federation), Power Systems Sector. The other is with the Deutscher Naturschutzring (German League for Nature Conservation and Environmental Protection). Both cooperation agreements are linked to the term of the TERNA project, up to the end of 2007.

Furthermore the TERNA project cooperates with the United Nations Environment Programme (UNEP).