Recent major studies

• Bauknecht, D., Langniß, O., Bürger, V., Brenner, T., Chvanova, E., Ritter, D., Vogel, M., Geier, L. Overview and oriented assessment of decentral energy management systems. Climate Change 16/2017. Umweltbundesamt.
• Langniß, O., Chvanova, E. Report on Scoping Mission on a Regional Strategy and Action Plan on Energy Efficiency in the Caribbean Community (CARICOM). April 2017.
• Hoenig, J., Langniß, O., Kostari, M., Chvanova, E., Stavileci, V. Regulatory Support for Renewable Energy Regulatory Framework and Grid Integration. Streamlining the Regulatory Framework for Renewable Energies. Study for Ministry of Economic Development of Kosovo. September 2016.
• Langniß, O., Brenner, T., Chvanova, E., Eid, M. Business Models for Utilities in Emerging Markets and Developing Countries. Discussion Paper on behalf of KfW Development Bank. May 2016.
• Günnewig, D., Langniss, O.: et al.: Monitoring the impact of the amended German EEG renewable energy feed-in law on the development of power generation from solar energy, specifically free-field PV plants, final report on behalf of the Federal German Ministry of the Environment, Nature Conservation and Reactor Safety, April 2008
• Langniss O., Diekmann J, Lehr U.: Promotion of renewable energies as a regulatory task: Evolution of tools for promoting electricity generation from renewable energy sources, December 2007
• Sensfuss, F., Ragwitz, M., Kratzat, M., Langniss, O., et al.: Further development of the German EEG renewable energy feed-in law for market penetration of the German and European electricity market, final report on behalf of the Federal German Ministry of the Environment, Nature Conservation and Reactor Safety, Karlsruhe, Stuttgart, Würzburg, Vienna, October 2007
• Becker, D., Hamrin, J., Langniss, O., Sharick, A, Suding, P.: Renewable energy in large energy economies, background document for the September 2007 Berlin Ministerial Meeting of the G8.,Background Document for the September 2007 Berlin Ministerial Meeting of the G8, August 2007
• Langniss O., Diekmann J., Lehr U.: Analysis and further development of the priority policy in Germany: Evolution of tools for promoting electricity generation from renewable energy sources, June 2007
• Heer K., Langniss O.: Promoting renewable energy sources in Portugal: possible implications for China, study on behalf of the Center for Resource Solutions, China Sustainable Energy Program, April 2007
• Gaudioso D, Klink J., Langniss O.: ESCOs in the Italian and UK energy efficiency schemes, EuroWhiteCertificates Project under contract to the EU, study for the Task Report Work Package, 5 March 2007
• Langniss, O.: (Coordinator), Böhnisch H., Buschmann A., Musiol F., Hartmann H., Pauschinger T.: Evaluation of individual measures for exploiting renewable energies (market incentive program), from January 2004 to December 2005, study on behalf of the Federal German Ministry of the Environment, Nature Conservation and Reactor Safety, Stuttgart, Straubing – October 2006
• Langniss, O.: The German 250 MW Wind Program, study on behalf of the Energy Foundation / Centre for Resource Solutions, Stuttgart, August 2006
• Langniss O.: Klink J: The European Biomass Action Plan, study on behalf of the Energy Foundation / Centre for Resource Solutions, Stuttgart, July 2006
• Böhnisch, H., Bohl, J., Günnewig, D., Langniss, O., Reichmuth, M.: Monitoring the impact of the amended German EEG Renewable Energy Feed-in Law on the development of power generation from solar energy, specifically pre-field PV plants, 3rd progress report on behalf of the Federal German Ministry of the Environment, Nature Conservation and Reactor Safety, Hanover, Stuttgart, Leipzig, Würzburg, July 2006
• Langniss O.: Working Paper on “Policy for Promotion of Alternative/Renewable Energy in Pakistan”, October 2005, study on behalf of the GTZ, April 2006
• Böhnisch, H., Bohl, J., Günnewig, D., Langniss, O., Reichmuth, M.: Monitoring the impact of the amended German EEG Renewable Energy Feed-in Law on the development of power generation from solar energy, specifically free-field PV plants, 2nd progress report, on behalf of Federal German Ministry of the Environment, Nature Conservation and Reactor Safety, Hannover, Stuttgart, Leipzig, Würzburg, December 2005
• Langniss O.: Synthetic biofuels in Baden-Württemberg, on behalf of Baden-Württemberg State Ministry of the Environment, Stuttgart, November 2005
• Langniss, O.: Analysis of the tasks and projects of the existing RES implementing agreements with regard to the development of the program of work of the IEA Renewable Energy Technology Deployment Implementing Agreement, study on behalf of des Federal German Ministry of the Environment, Nature Conservation and Reactor Safety, Stuttgart, October 2005
• Langniss, O.: White Certificate Schemes and (National) Green Certificate Schemes, EuroWhiteCertificates, Task report work package 3, 2 September 2005
• Langniss O.: Synthetic biofuels in Baden-Württemberg, workshop documentation on behalf of Baden-Württemberg State Ministry of the Environment, Stuttgart, August 2005
• Böhnisch, H., Bohl, J., Günnewig, D., Langniss, O., Reichmuth, M.: Monitoring the impact of the amended German EEG Renewable Energy Feed-in Law on the development of power generation from solar energy, specifically free-field PV plants, 1st progress report on behalf of the Federal German Ministry of the Environment, Nature Conservation and Reactor Safety, Hanover, Stuttgart, Leipzig, Würzburg, July 2005
• Langniss, Ole, Astrid Aretz; Helmut Böhnisch, Edelgard Gruber, Wilhelm Mannsbart, Mario Ragwitz, Friedhelm Steinborn: Evaluation of individual measures for exploiting renewable energies (market incentive program), from January 2002 to August 2004, study on behalf of the Federal German Ministry of the Environment, Nature Conservation and Reactor Safety, Stuttgart, Karlsruhe, December 2004
• Langniss, Ole: Preconditions for a feed-in tariff in China, study on behalf of German Organization for Technical Cooperation (GTZ), Lund/Stuttgart, 18 January 2004
• Fischedick, M., Nitsch, J., Langniss, O.: et al.: Long-term scenarios for sustainable energy use in Germany: study on behalf of des Federal German Office of the Environment, Wuppertal, Stuttgart 2002
• Langniss, O., Praetorius, B., Reinmüller, D., Seifried. D.: SEPCO.: Sustainable energy concepts, study of the International Solar Energy Society on behalf of the Federal German Ministry of the Environment, Nature Conservation and Reactor Safety, Part 1 2002, Part 2 2003
• Wiser, Ryan; Langniss, Ole: The renewables portfolio standard in Texas: an early assessment, Lawrence Berkeley National Laboratories, LBNL Report 49107, Berkeley, California 2001 (Translated into Chinese, 2002)
• Timpe, C., Bergmann, H., Langniss, O.: et al.: Implementation aspects of a quota model for electricity generated from renewable energies, study on behalf of the Baden-Württemberg State Ministry of the Environment and Traffic, Freiburg, Stuttgart 2001
• Langniss, O., Martenson, A., Örtenvik, M., Wilkenson, R., Corominas, J.: Certifying green electricity: handbook for stakeholders, study on behalf of the European Commission DG TREN, Stuttgart, Linköping, Rugby, Barcelona, Stuttgart 2000