100% Renewable Energy for Austria’s Industry: Scenarios, Energy Carriers and Infrastructure Requirements

Abstract

The need for decarbonization raises several questions. How can renewable energy supply for the industrial sector be realized in the long term? Furthermore, how must the existing energy system be transformed to achieve the ambitious climate targets in place? In Austria, the share of renewable energy supplying industrial energy demand currently accounts for only 45% of final energy consumption. This clearly shows that a conversion of industrial energy systems is necessary. Different ambitious perspectives for a renewable energy supply for the Austrian industrial sector are calculated for three defined scenarios (base, efficiency, transition) in this paper. In addition, corresponding requirements for the energy infrastructures are discussed. The scenario results show a range of industrial final energy consumption from 78 TWh (efficiency) to 105 TWh (transition) through decarbonizing the industrial energy supply (cf. 87 TWh in 2019). Decarbonization requires an increasing shift towards electrical energy, especially in the transition scenario, whereas in the base and efficiency scenarios, biogenic fuels play an important role. Comprehensive decarbonization and the associated substitution of energy carriers in industry pose significant challenges for the existing energy infrastructure, its expansion, and optimization.

Analysis of the recovery device control system

“…However, during the operation of these devices, significant power losses occur, and the losses are often dissipated in the form of heat, which leads to significant maintenance costs. Although a lot of work has been done to improve the design of power electronics, so far little attention has been paid to the study of the design of the controller to reduce the power consumption of the controller (which leads to a loss of power in power electronics) while maintaining acceptable system performance [1][2][3][4][5].…”