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On the long-term efficiency of market splitting in Germany

Fraunholz, Christoph 1; Hladik, Dirk; Keles, Dogan 1; Möst, Dominik; Fichtner, Wolf ORCID iD icon 1
1 Karlsruher Institut für Technologie (KIT)

Abstract (englisch):

In Europe, the ongoing renewable expansion and delays in the planned grid extension have intensified the discussion about an adequate electricity market design. Against this background, we jointly apply an agent-based electricity market model and an optimal power flow model to investigate the long-term impacts of splitting the German market area into two price zones. Our approach allows capturing long-term investment and short-term market behavior under imperfect information. We find strong impacts of a German market splitting on electricity prices, expansion planning of generators and required congestion management. While the congestion volumes decrease significantly under a market split in the short term, the optimal zonal configuration for 2020 becomes outdated over time due to dynamic effects like grid extension, renewable expansion and new power plant investments. Policymakers and regulators should therefore regularly re-assess bidding zone configurations. Yet, this stands in contrast to the major objective of price zones to create stable locational investment incentives.

Verlagsausgabe §
DOI: 10.5445/IR/1000129274
Veröffentlicht am 04.02.2021
DOI: 10.1016/j.enpol.2020.111833
Zitationen: 12
Zitationen: 17
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Industriebetriebslehre und Industrielle Produktion (IIP)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 02.2021
Sprache Englisch
Identifikator ISSN: 0301-4215
KITopen-ID: 1000129274
Erschienen in Energy policy
Verlag Elsevier
Band 149
Seiten Art.-Nr.: 111833
Projektinformation AverS-KIT (BMWK, 0324002A)
Vorab online veröffentlicht am 10.12.2020
Nachgewiesen in Web of Science
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