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Kostenbilanz des Ausbaus erneuerbarer Energien in der Stromerzeugung bei unterschiedlichen Preisbildungen am Strommarkt

Author

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  • Joachim Nitsch
  • Thomas Pregger

Abstract

Required economic "provisions in advance" due to additional investment costs for the transformation of the energy supply in Germany [the "Energiewende"] are in general defined as differentials to today's prices of fossil fuels and wholesale prices of electricity. However, these prices may not result in suitable price signals for the politically aimed transformation process. If the "Energiewende" has to follow an effective path to climate protection, the energy market has to be changed in order that price signals enable the expansion of technologies using largely climate-neutral sources of energy. Resulting differential costs of the "Energiewende" can be quite different, depending on how far such a change can be implemented. The following paper illustrates this aspect using the example of differential costs for the expansion of renewables in the power generation sector. An electricity price development which is oriented to an effective climate protection is able to produce a cumulative economic benefit of renewables growth up to 460 billion Euro until 2050. Die für die "Energiewende" aufzubringenden Vorleistungen werden im Allgemeinen als Differenz zu den gegenwärtigen Preisen der fossilen Energieträger und den für Strom im Großhandel erzielbaren Preis definiert. Diese Preise liefern jedoch nicht notwendigerweise die geeigneten Signale für den energiepolitisch angestrebten Umbau des Energiesystems. Eine Energiewende, die einen effektiven Klimaschutz zum Ziel hat, muss bestrebt sein, das Marktsystem der Energieversorgung so zu verändern, dass sich die Preissignale an den Kosten derjenigen Technologien ausrichten, die in der Lage sind, Energie weitgehend klimaneutral, emissionsfrei und ohne wesentliche Inanspruchnahme fossiler Ressourcen bereitzustellen. Je nachdem, wie weit dies gelingt, werden die resultierenden Mehrkosten der Energiewende sehr unterschiedlich ausfallen. Am Beispiel der Differenzkosten des Zubaus erneuerbarer Energien im Stromsektor wird dies in folgendem Beitrag näher erläutert. Eine Strompreisentwicklung, die sich am Oberziel der Energiewende, nämlich effektivem Klimaschutz, orientiert, kann bis zum Jahr 2050 zu einem kumulierten gesamtwirtschaftlichen Nutzen des EE-Ausbaus von bis zu 460 Milliarden Euro führen.

Suggested Citation

  • Joachim Nitsch & Thomas Pregger, 2013. "Kostenbilanz des Ausbaus erneuerbarer Energien in der Stromerzeugung bei unterschiedlichen Preisbildungen am Strommarkt," Vierteljahrshefte zur Wirtschaftsforschung / Quarterly Journal of Economic Research, DIW Berlin, German Institute for Economic Research, vol. 82(3), pages 45-59.
  • Handle: RePEc:diw:diwvjh:82-3-4
    DOI: 10.3790/vjh.82.3.45
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    Cited by:

    1. Hess, Denis, 2018. "The value of a dispatchable concentrating solar power transfer from Middle East and North Africa to Europe via point-to-point high voltage direct current lines," Applied Energy, Elsevier, vol. 221(C), pages 605-645.

    More about this item

    Keywords

    Energy transition; renewables; electric energy; energy prices; electricity costs; differential costs; electricity market;
    All these keywords.

    JEL classification:

    • Q42 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Alternative Energy Sources
    • Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy
    • Q47 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy Forecasting
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products

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