• Projects and studies for ministries on the federal and state level, companies, associations, etc. project realization and collaboration (selection)
  • Climate protection through the use of renewable energy
  • Report on experiences: Renewable Energy Law
  • MEF (Major Economies Forum on Energy and Climate)
  • Survey: Renewable Energy Industry in North Rhine-Westphalia (NRW), years 2010, 2009, 2008 and 2007
  • Energy development and demographic change
  • Structure of the wind energy research in Germany, unabridged version
  • Energy statistics brochure of North Rhine-Westphalia for the years 2011 and 2010
  • Evaluation 4th energy research programme
  • Offshore wind energy: counselling federal government of Germany
  • Location structural analysis: on the areal importance of the renewable energy industry