Legal information

Deutsche Energie-Agentur GmbH (dena)
German Energy Agency
Renewable Energies
Chausseestr. 128a
10115 Berlin

phone: +49 (0)30 72 61 65-600
fax: +49 (0)30 72 61 65-699

Managing director with powers of representation:
Andreas Kuhlmann and Kristina Haverkamp


Deutsche Energie-Agentur GmbH (dena)

Registration court: District Court of Charlottenburg
Registration number: HRB 78448
VAT identification number pursuant to Section 27a of the German VAT Act: DE 214080111

Responsibility for content in accordance with Section 55 Subsection 2 of the German Interstate Treaty on Broadcasting (RStV):
Ulrich Benterbusch, Chausseestr. 128a, 10115 Berlin, Germany

Photo credits

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Design and production

Sunbeam GmbH Berlin, Zinnowitzer Str. 1, 10115 Berlin, Germany


Mahrt Fachübersetzungen GmbH, Ottersbekallee 21, 20255 Hamburg, Germany

Cooperation partners

To the cooperation partners


© 2013 Deutsche Energie-Agentur GmbH (dena)
German Energy Agency

All rights reserved. Any usage is subject to permission by dena.




Profile: project engineer, project developer, investor

Technology: wind energy

Opinion panel

“The Ossberger cross-flow turbine has only three moving parts: the rotor and the two guide vanes. The bearing for the guide vanes needs no maintenance and the bearing for the rotor is easily accessible out of the water. This results in very low operating costs!”

Dipl. Ing. Holger Franke, Sales Manager, Ossberger GmbH + Co