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Electrical energy storage in highly renewable European energy systems: Capacity requirements, spatial distribution, and storage dispatch

Cebulla, Felix and Naegler, Tobias and Pohl, Markus (2017) Electrical energy storage in highly renewable European energy systems: Capacity requirements, spatial distribution, and storage dispatch. Journal of Energy Storage, 14, pp. 211-223. Elsevier. DOI: 10.1016/j.est.2017.10.004 ISBN 2352-152X ISSN 2352-152X

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Official URL: https://www.sciencedirect.com/science/article/pii/S2352152X17302815

Abstract

One of the major challenges of renewable energy systems is the inherently limited dispatchability of power generators that rely on variable renewable energy (VRE) sources. To overcome this insufficient system flexibility, electrical energy storage (EES) is a promising option. The first contribution of our work is to address the role of EES in highly renewable energy systems in Europe. For this purpose, we apply the energy system model REMix which endogenously determines both capacity expansion and dispatch of all electricity generation as well as storage technologies. We derive an EES capacity of 206 GW and 30 TWh for a system with a renewable share of 89%, relative to the annual gross power generation. An extensive sensitivity analysis shows that EES requirements range from 126 GW and 16 TWh (endogenous grid expansion) to 272 GW and 54 TWh (low EES investment costs). As our second contribution, we show how the spatial distribution of EES capacity depends on the residual load, which–in turn–is influenced by regionally predominant VRE technologies and their temporal characteristics in terms of power generation. In this sense, frequent periods of high VRE excess require short-term EES, which naturally feature low power-related investment costs. In contrast, long-term EES with low energy-related costs are characteristic for regions where high amounts of surplus energy occur. This relationship furthermore underlines how EES capacity distribution is implicitly influenced by technical potentials for VRE expansion.

Item URL in elib:https://elib.dlr.de/115241/
Document Type:Article
Title:Electrical energy storage in highly renewable European energy systems: Capacity requirements, spatial distribution, and storage dispatch
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Cebulla, Felixfelix.cebulla (at) dlr.deUNSPECIFIED
Naegler, TobiasdlrUNSPECIFIED
Pohl, MarkusUNSPECIFIEDUNSPECIFIED
Date:December 2017
Journal or Publication Title:Journal of Energy Storage
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:14
DOI :10.1016/j.est.2017.10.004
Page Range:pp. 211-223
Publisher:Elsevier
ISSN:2352-152X
ISBN:2352-152X
Status:Published
Keywords:Electrical energy storage; Storage requirements; Renewable energy; Energy systems modeling; Linear optimization
HGF - Research field:Energy
HGF - Program:Technology, Innovation and Society
HGF - Program Themes:Renewable Energy and Material Resources for Sustainable Futures - Integrating at Different Scales
DLR - Research area:Energy
DLR - Program:E SY - Energy Systems Analysis
DLR - Research theme (Project):E - Systems Analysis and Technology Assessment
Location: Stuttgart
Institutes and Institutions:Institute of Engineering Thermodynamics > Systems Analysis and Technology Assessment
Deposited By: Cebulla, Felix
Deposited On:24 Nov 2017 15:17
Last Modified:31 Jul 2019 20:12

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