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The amount of renewable energy is increasing in the German energy system. As a result, grid expansion, consumer regulation (demand response), innovative storage solutions or intelligent grid operation are measures to avoid system instabilities. The development of energy prices and regulatory charges is difficult to predict against this dynamic background. The technological development of small power plants is in progress and many of the offered technologies are reaching grid parity. To increase independency from the grid and to avoid grid supply in periods of high prices, the integration of decentral, renewable power generation technologies is a reasonable solution for manufacturing companies. Therefore, a procedure for industrial companies to use their self-produced energy in a sustainable manner is introduced. This paper focuses on the characterization of industrial energy consumers, which is one of the first steps in the procedure. Different consumer criteria are descripted to define 48 consumer groups. Certain factories include consumers that can be described by a multitude of these consumer groups.

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Mit dem Ausbau volatiler erneuerbarer Energien gewinnt die Forderung nach einer energieflexiblen Produktion in Industrieunternehmen an Bedeutung. Bestehende Potenziale und Ausbaumöglichkeiten zur Energieflexibilisierung der Unternehmen müssen erkannt und bewertet werden können. Dazu erfolgt hier eine Analyse, basierend auf einer Befragung in Werken mit energieintensiven Prozessen, sowie die Identifikation von Merkmalen zugehöriger Produktions- und Versorgungsanlagen.   With the expansion of volatile renewable energies, the demand for energy-flexible production in companies is gaining in importance. Hence, it must be possible to identify and evaluate existing potentials and expansion possibilities to make companies more energy flexible. This involves a survey of the initial situation in energy-intensive plants and the identification of characteristics of production plants and supply facilities.

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