LAPSE:2023.25813
Published Article
LAPSE:2023.25813
Insights on Germany’s Future Congestion Management from a Multi-Model Approach
Dirk Hladik, Christoph Fraunholz, Matthias Kühnbach, Pia Manz, Robert Kunze
March 29, 2023
In Germany, the political decision to phase out nuclear and coal-fired power as well as delays in the planned grid extension are expected to intensify the current issue of high grid congestion volumes. In this article, we investigate two instruments which may help to cope with these challenges: market splitting and the introduction of a capacity mechanism. For this purpose, we carry out a comprehensive system analysis by jointly applying the demand side models FORECAST and eLOAD, the electricity market model PowerACE and the optimal power flow model ELMOD. While a German market splitting has a positive short-term impact on the congestion volumes, we find the optimal zonal delimination determined for 2020 to become outdated by 2035 resulting in new grid bottlenecks. Yet, readjusting the zonal configuration would lower the ability of the market split to provide regional investment incentives. Introducing a capacity mechanism with a congestion indicator allows allocating new power plants in regions with higher electricity demand. Consequently, we find the required congestion management to be substantially reduced in this setting. However, given the large amount of design parameters, any capacity mechanism needs to be carefully planned before its introduction to avoid new inefficiences on the market side.
Keywords
agent-based modeling, capacity mechanism, congestion management, demand-side modeling, market splitting, model coupling, optimal power flow
Suggested Citation
Hladik D, Fraunholz C, Kühnbach M, Manz P, Kunze R. Insights on Germany’s Future Congestion Management from a Multi-Model Approach. (2023). LAPSE:2023.25813
Author Affiliations
Hladik D: Chair of Energy Economics, Faculty of Economics and Business Management, Technische Universität Dresden, D-01062 Dresden, Germany
Fraunholz C: Chair of Energy Economics, Karlsruhe Institute of Technology (KIT), D-76187 Karlsruhe, Germany [ORCID]
Kühnbach M: Fraunhofer Institute for Systems and Innovation Research ISI, D-76139 Karlsruhe, Germany
Manz P: Fraunhofer Institute for Systems and Innovation Research ISI, D-76139 Karlsruhe, Germany
Kunze R: ESA2 GmbH, D-01187 Dresden, Germany
Journal Name
Energies
Volume
13
Issue
16
Article Number
E4176
Year
2020
Publication Date
2020-08-12
Published Version
ISSN
1996-1073
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PII: en13164176, Publication Type: Journal Article
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doi:10.3390/en13164176
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Mar 29, 2023
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