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Constraining the oligopoly manipulation in electricity market: A vertical integration perspective

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  • Guo, Hongye
  • Chen, Qixin
  • Zhang, Yan
  • Liu, Kai
  • Xia, Qing
  • Kang, Chongqing

Abstract

In the recent years, the electricity market deregulation reforms are prevalent in many countries, bringing about the problem of market power abuse. As a typical property right structure transformation approach, the vertical integration has rarely been considered and analyzed as a countermeasure towards market power abuse problem. Facing the diverging attitudes on the vertical integration around the world, the problems of whether the vertical integration should be allowed in the wholesale market still remains vague. Thus, the paper proposes a framework to analyze the decision scheme of vertically integrated companies and their corresponding impacts on the market operation. The model is built in the bilevel format, with the consideration on the particularities of electricity markets. The nonlinear model is then transformed into the linearization format. Based on the real generation mix data in Guangdong province, China, the market equilibrium with/without vertical integration is presented, combined with the analysis on the market clearing price, social welfare, and profit allocation. Finally, the policy suggestions on the vertical integration in the deregulated electricity market is proposed.

Suggested Citation

  • Guo, Hongye & Chen, Qixin & Zhang, Yan & Liu, Kai & Xia, Qing & Kang, Chongqing, 2020. "Constraining the oligopoly manipulation in electricity market: A vertical integration perspective," Energy, Elsevier, vol. 194(C).
    • Handle: RePEc:eee:energy:v:194:y:2020:i:c:s0360544219325721
    DOI: 10.1016/j.energy.2019.116877
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    6. Simshauser, P., 2020. "Merchant utilities and boundaries of the firm: vertical integration in energy-only markets," Cambridge Working Papers in Economics 2039, Faculty of Economics, University of Cambridge.
    7. Nazim Hajiyev & Manafova Mansura & Elena Sverdlikova & Roman Safronov & Tatyana Vityutina, 2021. "Oligopoly Trends in Energy Markets: Causes, Crisis of Competition, and Sectoral Development Strategies," International Journal of Energy Economics and Policy, Econjournals, vol. 11(6), pages 392-400.
    8. Piotr F. Borowski, 2020. "Zonal and Nodal Models of Energy Market in European Union," Energies, MDPI, vol. 13(16), pages 1-21, August.
    9. Simshauser, Paul, 2021. "Vertical integration, peaking plant commitments and the role of credit quality in energy-only markets," Energy Economics, Elsevier, vol. 104(C).

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