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Real-time versus Day-ahead Market Power in a Hydro-based Electricity Market

Author

Listed:
  • Mauritzen, Johannes

    (Research Institute of Industrial Economics (IFN))

  • Tangerås, Thomas

    (Research Institute of Industrial Economics (IFN))

Abstract

We analyse in a theoretical framework the link between real-time and day-ahead market performance in a hydro-based and imperfectly competitive wholesale electricity market. Theoretical predictions of the model are tested on data from the Nordic power exchange, Nord Pool Spot (NPS).We reject the hypothesis that prices at NPS were at their competitive levels throughout the period under examination. The empirical approach uses equilibrium prices and quantities and does not rely on bid data nor on estimation of demand or marginal cost functions.

Suggested Citation

  • Mauritzen, Johannes & Tangerås, Thomas, 2014. "Real-time versus Day-ahead Market Power in a Hydro-based Electricity Market," Working Paper Series 1009, Research Institute of Industrial Economics.
    • Handle: RePEc:hhs:iuiwop:1009
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    Cited by:

    1. Debia, Sébastien & Pineau, Pierre-Olivier & Siddiqui, Afzal S., 2021. "Strategic storage use in a hydro-thermal power system with carbon constraints," Energy Economics, Elsevier, vol. 98(C).
    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. Hjertstrand, Per & Tangerås, Thomas, 2025. "Nonparametric Tests for Perfect Competition: Theory and Application to the Nordic Wholesale Electricity Market," Working Paper Series 1527, Research Institute of Industrial Economics.
    5. 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).
    6. Tangerås, Thomas, 2020. "Competition for Flexible Distribution Resources in a ’Smart’ Electricity Distribution Network," Working Paper Series 1351, Research Institute of Industrial Economics.
    7. Poletti, Stephen, 2021. "Market Power in the New Zealand electricity wholesale market 2010–2016," Energy Economics, Elsevier, vol. 94(C).
    8. 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.
    9. 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.
    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. 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.
    13. 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).

    More about this item

    Keywords

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    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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