Bertsch, Joachim, Hagspiel, Simeon and Just, Lisa (2016). Congestion management in power systems. J. Regul. Econ., 50 (3). S. 290 - 328. DORDRECHT: SPRINGER. ISSN 1573-0468

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Abstract

In liberalized power systems, generation and transmission services are unbundled, but remain tightly interlinked. Congestion management in the transmission network is of crucial importance for the efficiency of these inter-linkages. Different regulatory designs have been suggested, analyzed and followed, such as uniform zonal pricing with redispatch or nodal pricing. However, the literature has either focused on the short-term efficiency of congestion management or specific issues of timing investments. In contrast, this paper presents a generalized and flexible economic modeling framework based on a decomposed inter-temporal equilibrium model including generation, transmission, as well as their inter-linkages. The model covers short-run operation and long-run investments and hence, allows to analyze short and long-term efficiency of different congestion management designs that vary with respect to the definition of market areas, the regulation and organization of TSOs, the way of managing congestion besides grid expansion, and the type of cross-border capacity allocation. We are able to identify and isolate implicit frictions and sources of inefficiencies in the different regulatory designs, and to provide a comparative analysis including a benchmark against a first-best welfare-optimal result. To demonstrate the applicability of our framework, we calibrate and numerically solve our model for a detailed representation of the Central Western European (CWE) region, consisting of 70 nodes and 174 power lines. Analyzing six different congestion management designs until 2030, we show that compared to the first-best benchmark, i.e., nodal pricing, inefficiencies of up to 4.6% arise. Inefficiencies are mainly driven by the approach of determining cross-border capacities as well as the coordination of transmission system operators' activities.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Bertsch, JoachimUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hagspiel, SimeonUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Just, LisaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-253745
DOI: 10.1007/s11149-016-9310-x
Journal or Publication Title: J. Regul. Econ.
Volume: 50
Number: 3
Page Range: S. 290 - 328
Date: 2016
Publisher: SPRINGER
Place of Publication: DORDRECHT
ISSN: 1573-0468
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
ELECTRICITY; COST; MARKETSMultiple languages
EconomicsMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/25374

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