Stiftung Energieeffizienz (Energy Efficiency Foundation)

The Energy Efficiency Foundation was recognized on December 28, 2010 by the Detmold district government as a non-profit foundation under German civil law.

Board: Dipl.-Ing. Jörg Ortjohann

Weyerstr. 32
D-50676 Koeln (Cologne)

Tel: +49 221 5465705
Fax: +49 221 542827

Mail: info [at]

Seat of the foundation:
c/o Wieland Beratungs GmbH
Oststrasse 80
D-33332 Guetersloh

Tax number


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