Quotation Szücs, Florian, Böckers, Veit, Duso, Tomaso. 2020. Abuse of dominance and antitrust enforcement in the German electricity market. Energy Economics. 92


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Abstract

In 2008, the European Commission investigated E.ON, a large and vertically integrated electricity company, for the alleged abuse of a joint dominant position by strategically withholding generation capacity in the German wholesale electricity market. The case was settled after E.ON agreed to divest 5 GW generation capacity as well as its extra-high voltage network. We analyze the effect of these divestitures on wholesale electricity prices. Our identification strategy is based on the observation that energy suppliers have more market power during peak periods when demand is high. Therefore, a decrease in market power should lead to convergence between peak and off-peak prices, after controlling for different demand and supply conditions as well as the change in generation mix due to the expansion of renewable technologies. Using daily electricity prices for the 2006–2012 period, we find economically and statistically significant convergence effects after the settlement of the case. In a richer specification, we show that the price reductions appear to be mostly due to the divestiture of gas and coal plants, which is consistent with merit-order considerations. Additional cross-country analyses support our results.

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Publication's profile

Status of publication Published
Affiliation WU
Type of publication Journal article
Journal Energy Economics
Citation Index SSCI
WU Journalrating 2009 A
WU-Journal-Rating new FIN-A, STRAT-B, VW-B, WH-B
Language English
Title Abuse of dominance and antitrust enforcement in the German electricity market
Volume 92
Year 2020
Reviewed? Y
URL https://www.sciencedirect.com/science/article/pii/S0140988320302760
DOI https://doi.org/10.1016/j.eneco.2020.104936
Open Access N

Associations

People
Szücs, Florian (Details)
External
Böckers, Veit (Metro AG, Germany)
Duso, Tomaso (DIW, Germany)
Organization
Department of Economics DP (Details)
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