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Real‐time versus day‐ahead market power in a hydro‐based electricity market

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  • Thomas P. Tangerås
  • Johannes Mauritzen

Abstract

This paper develops a theoretical framework to analyze the link between real‐time and day‐ahead competition in a hydro‐based wholesale electricity market. Predictions of the model are tested on a detailed data set of trades and prices from the Nordic power exchange, Nord Pool. We study market performance before and after a reform that increased the number of price areas (local markets) in Sweden, and reject the hypothesis of perfect competition in some of the Swedish price areas. Our results suggest that firms exercised some local market power during the sample period.

Suggested Citation

  • Thomas P. Tangerås & Johannes Mauritzen, 2018. "Real‐time versus day‐ahead market power in a hydro‐based electricity market," Journal of Industrial Economics, Wiley Blackwell, vol. 66(4), pages 904-941, December.
    • Handle: RePEc:bla:jindec:v:66:y:2018:i:4:p:904-941
    DOI: 10.1111/joie.12186
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    Cited by:

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    2. Nagy, Roel L.G. & Hagspiel, Verena & Kort, Peter M., 2021. "Green capacity investment under subsidy withdrawal risk," Energy Economics, Elsevier, vol. 98(C).
    3. Persson, Lars & Tangerås, Thomas, 2018. "Transmission Network Investment across National Borders: The Liberalized Nordic Electricity Market," Working Paper Series 1242, Research Institute of Industrial Economics.
    4. Spodniak, Petr & Ollikka, Kimmo & Honkapuro, Samuli, 2021. "The impact of wind power and electricity demand on the relevance of different short-term electricity markets: The Nordic case," Applied Energy, Elsevier, vol. 283(C).
    5. Tangerås, Thomas, 2020. "Competition for Flexible Distribution Resources in a ’Smart’ Electricity Distribution Network," Working Paper Series 1351, Research Institute of Industrial Economics.
    6. Poletti, Stephen, 2021. "Market Power in the New Zealand electricity wholesale market 2010–2016," Energy Economics, Elsevier, vol. 94(C).
    7. Farzad Hassanzadeh Moghimi & Yihsu Chen & Afzal S. Siddiqui, 2023. "Flexible supply meets flexible demand: prosumer impact on strategic hydro operations," Computational Management Science, Springer, vol. 20(1), pages 1-35, December.
    8. Rintamäki, Tuomas & Siddiqui, Afzal S. & Salo, Ahti, 2020. "Strategic offering of a flexible producer in day-ahead and intraday power markets," European Journal of Operational Research, Elsevier, vol. 284(3), pages 1136-1153.
    9. Erik Lundin, 2021. "Market Power and Joint Ownership: Evidence from Nuclear Plants in Sweden," Journal of Industrial Economics, Wiley Blackwell, vol. 69(3), pages 485-536, September.
    10. Hu, Xiao & Jaraitė, Jūratė & Kažukauskas, Andrius, 2021. "The effects of wind power on electricity markets: A case study of the Swedish intraday market," Energy Economics, Elsevier, vol. 96(C).
    11. Devine, Mel T. & Siddiqui, Sauleh, 2023. "Strategic investment decisions in an oligopoly with a competitive fringe: An equilibrium problem with equilibrium constraints approach," European Journal of Operational Research, Elsevier, vol. 306(3), pages 1473-1494.
    12. Lundin, Erik & Tangerås, Thomas P., 2020. "Cournot competition in wholesale electricity markets: The Nordic power exchange, Nord Pool," International Journal of Industrial Organization, Elsevier, vol. 68(C).

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    More about this item

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D92 - Microeconomics - - Micro-Based Behavioral Economics - - - Intertemporal Firm Choice, Investment, Capacity, and Financing
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L94 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Electric Utilities
    • Q41 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Demand and Supply; Prices

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