Energies, Vol. 10, Pages 956: Linking the Power and Transport Sectors—Part 1: The Principle of Sector Coupling

Energies, Vol. 10, Pages 956: Linking the Power and Transport Sectors—Part 1: The Principle of Sector Coupling

Energies doi: 10.3390/en10070956

Authors: Martin Robinius Alexander Otto Philipp Heuser Lara Welder Konstantinos Syranidis David Ryberg Thomas Grube Peter Markewitz Ralf Peters Detlef Stolten

The usage of renewable energy sources (RESs) to achieve greenhouse gas (GHG) emission reduction goals requires a holistic transformation across all sectors. Due to the fluctuating nature of RESs, it is necessary to install more wind and photovoltaics (PVs) generation in terms of nominal power than would otherwise be required in order to ensure that the power demand can always be met. In a near fully RES-based energy system, there will be times when there is an inadequate conventional load to meet the overcapacity of RESs, which will lead to demand regularly being exceeded and thereby a surplus. One approach to making productive use of this surplus, which would lead to a holistic transformation of all sectors, is "sector coupling" (SC). This paper describes the general principles behind this concept and develops a working definition intended to be of utility to the international scientific community. Furthermore, a literature review provides an overview of relevant scientific papers on the topic. Due to the challenge of distinguishing between papers with or without SC, the approach adopted here takes the German context as a case study that can be applied to future reviews with an international focus. Finally, to evaluate the potential of SC, an analysis of the linking of the power and transport sectors on a worldwide, EU and German level has been conducted and is outlined here.

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