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Energy use in industrial processes: a method to transpose detailed data from France to Germany

Panel: 1. Programmes to promote industrial energy efficiency

This is a peer-reviewed paper.

Authors:
Soumaya Kalouache, EDF R&D/Arts et Métiers ParisTech, France
Mathieu Bordigoni, EDF R&D, France
Marc Berthou, EDF R&D, France

Abstract

Energy efficiency, peak demand management and consumption forecast in industry are major objectives of the European energy policy. However, it remains difficult to measure their potentials because of the non-availability of data on energy use in processes. This paper examines to what extent detailed data from one European country can help to estimate energy use in industrial processes in other Member States. By this way, governments and industrial deciders may be able to identify the most relevant technologies necessary to reduce energy consumption, to pinpoint interruptible processes or to include into forecast models.

To this end, a comparison of energy use by process data between France (131 sectors, 46 process uses, and 14 energy carriers) and Germany (14 sectors, 13 process uses, and 12 energy carriers) is performed. The combination of national databases enables the verification of the adequacy of diverse methods. Each of these methods includes a different set of information on national differences in production processes or in products inside a similar industrial sector.

Our main result is that, in Germany, for about a half of industry sectors, processes and products are enough standardised so as to transpose energy use data according to energy consumption. In this aim, an indicator has been developed to determine when it is possible. This indicator is defined as the ratio of the difference between the part of electricity in France and in Germany on the sum of these two terms. When this ratio is low, this indicates a similarity of products and process technologies.

For other sectors, transposition methods should include information on processes or on the products breakdown for the new country. These more in-depth methods have been tested on two important industrial sectors: Iron and steel as well as Pulp and paper. The results fit German data for the main energy uses with a robust correlation.

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