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Competition in Germany’s minute reserve power market: An econometric analysis

By  |  January 23, 2013

Posted by D. Daniel Sokol

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    Justus Haucap (Dusseldorf Institute for Competition Economics), Ulrich Heimeshoff (Dusseldorf Institute for Competition Economics), Dragan Jovanovic (Dusseldorf Institute for Competition Economics) discuss Competition in Germany’s minute reserve power market: An econometric analysis

    ABSTRACT: The German reserve power market was subject to important regulatory changes in recent years. A new market design was created by synchronization and interconnection of the four control areas. In this paper, we analyze whether or not the reforms led to lower prices for minute reserve power (MRP). In contrast to existing papers, we use a unique panel dataset to account for unobserved heterogeneity between the four German regional markets. Moreover, we control for endogeneity by using weather data as instruments for electricity spot market prices. We find that the reforms were jointly successful in decreasing MRP prices leading to substantial cost savings for the transmission system operators.