Impact of German Energiewende on Transmission Lines in the Central European Region

Jan Malek, Lukáš Rečka and Karel Janda
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Jan Malek: DIW Berlin, Mohrenstraße 58, 10117 Berlin, Germany

No 2018/05, Working Papers IES from Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies

Abstract: The impacts of renewable energy production and German nuclear phase-out on the electricity transmission systems in Central Europe is investigated with focus on the disparity between the growth of renewable production and the pace at which new electricity transmission lines have been built, especially in Germany. This imbalance endangers the system stability and reliability in the whole region. The assessment of these impacts on the transmission grid is analysed by the direct current load flow model ELMOD. Two scenarios for the year 2025 are evaluated from different perspectives. The distribution of loads in the grids is shown. Hourly patterns are analysed. Geographical decomposition is made, and problematic regions are identified. The high solar or wind power generation decrease the periods of very low transmission load and increase the mid- and high load on the transmission lines. High solar feed-in has less detrimental impacts on the transmission grid than high wind feed-in. High wind feed-in burdens the transmission lines in the north-south direction in Germany and water-pump-storage areas in Austria.

Keywords: Energiewende; RES; transmission networks; congestion; loop flows; ELMOD; Central Europe (search for similar items in EconPapers)
JEL-codes: C61 L94 Q21 Q48 (search for similar items in EconPapers)
Pages: 36 pages
Date: 2018-02, Revised 2018-02
New Economics Papers: this item is included in nep-ene and nep-reg
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Related works:
Working Paper: Impact of German Energiewende on transmission lines in the Central European region (2017)
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