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Green Certificates and Market Power on the Nordic Power Market

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  • Amundsen, Eirik Schrøder

    ()
    (University of Bergen)

  • Bergman, Lars

    ()
    (Stockholm School of Economics,)

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    Abstract

    The purpose of this study is to elucidate under which circumstances, how, and to what extent market power on the TGC market can be used to affect the entire electricity market. There are basically two reasons for being concerned with market power in TGC markets. One is that a small number of companies may have exclusive access to first rate sites for wind power generation. The other is that withdrawal of a small number of TGCs implies a multiple reduction of electricity consumption, with corresponding increases of end user prices. For the purpose of investigating the principles by which market power may be exercised in this setting a simple analytical model is designed and analytical results are derived. To investigate matters further a numerical model, based on the analytical model, is constructed for the Nordic countries. Among the Nordic countries only Sweden has a TGC market but there is a common Nordic electricity market with free trade of electricity. The analysis shows that Swedish companies possessing capacity for green electricity generation, indeed, have the ability to exercise market power on the common Nordic power market by withholding TGCs. However, the analysis reveals that an opening of TGC trade between the the Nordic countries to a large extent achieves the objective of eliminating the use of marketpower that would otherwise be established. Also, this may have a cushioning effect on the volatility of TGC prices.

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    File URL: http://www.uib.no/filearchive/wp12.10.pdf
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    Bibliographic Info

    Paper provided by University of Bergen, Department of Economics in its series Working Papers in Economics with number 12/10.

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    Length: 21 pages
    Date of creation: 01 Dec 2010
    Date of revision:
    Handle: RePEc:hhs:bergec:2010_012

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    Postal: Institutt for økonomi, Universitetet i Bergen, Postboks 7802, 5020 Bergen, Norway
    Phone: (+47)55589200
    Fax: (+47)55589210
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    Web page: http://www.uib.no/econ/en
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    Related research

    Keywords: Renewable energy; electricity; green certificates; market power; Nordic power market.;

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    References

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    1. Butler, L. & Neuhoff, K., 2005. "Comparison of Feed in Tariff, Quota and Auction Mechanisms to Support Wind Power Development," Cambridge Working Papers in Economics 0503, Faculty of Economics, University of Cambridge.
    2. Amundsen, Eirik S. & Mortensen, Jorgen Birk, 2001. "The Danish Green Certificate System: some simple analytical results," Energy Economics, Elsevier, vol. 23(5), pages 489-509, September.
    3. Carolyn Fischer, 2010. "Renewable Portfolio Standards: When Do They Lower Energy Prices?," The Energy Journal, International Association for Energy Economics, vol. 0(Number 1), pages 101-120.
    4. Amundsen, Eirik S. & Nese, Gjermund, 2009. "Integration of tradable green certificate markets: What can be expected?," Journal of Policy Modeling, Elsevier, vol. 31(6), pages 903-922, November.
    5. Amundsen, Eirik S. & Baldursson, Fridrik M. & Mortensen, Jørgen Birk, 2003. "Price Volatility and Banking in Green Certificate Markets," Working Papers in Economics 02/03, University of Bergen, Department of Economics.
    6. Dominique Finon & Philippe Menanteau, 2003. "The Static and Dynamic Efficiency of Instruments of Promotion of Renewables," Post-Print halshs-00001300, HAL.
    7. Hindsberger, Magnus & Nybroe, Malene Hein & Ravn, Hans F. & Schmidt, Rune, 2003. "Co-existence of electricity, TEP, and TGC markets in the Baltic Sea Region," Energy Policy, Elsevier, vol. 31(1), pages 85-96, January.
    8. Amundsen, E.S. & Mortensen, J.B., 2001. "The Danish Green Certificate System: Some Simple Analytical Results," Norway; Department of Economics, University of Bergen 226, Department of Economics, University of Bergen.
    9. Unger, Thomas & Ahlgren, Erik O., 2005. "Impacts of a common green certificate market on electricity and CO2-emission markets in the Nordic countries," Energy Policy, Elsevier, vol. 33(16), pages 2152-2163, November.
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