ASATREM srl is an Italian consulting company active in the field of Applied Systems Analyses, Technology and Research, Energy Models. It develops and uses quantitative methods for evaluating the economic and environmental impact of long term choices in energy supply and demand sectors.

It is presently the Operating Agent of the Energy Technology Systems Analysis Program of the International Energy Agency (IEA/ETSAP). Acting on behalf of 17 ETSAP participating countries (Belgium, Canada, Denmark, EC/DG Research, Finland, France, Germany, Greece, Italy, Japan, Korea, Norway, Sweden, Switzerland, The Netherlands, UK, US) it manages the group of MARKAL-TIMES users, the continuous improvement of the MARKAL-TIMES and related tools, and it pushes forward the development and use of technical economic models for policy analysis of global, regional, national and local systems (see www.etsap.org).