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Transmission-constrained oligopoly in the Japanese electricity market

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  • Tanaka, Makoto

Abstract

We simulate the Japanese wholesale electricity market as a transmission-constrained Cournot market using a linear complementarity approach. First, we investigate the effects of upgrading the bottleneck transmission line between the eastern and western regions, focusing on the mitigation of transmission congestion. Although increasing the bottleneck capacity would lead to welfare gains, they might not be substantial particularly when transmission capacity costs are taken into account. Second, we examine the effects of splitting the largest electric power company, which is located in the eastern region, focusing on the mitigation of market power. Splitting the largest company into two companies would lead to a 25% reduction in the eastern price, and a 50% reduction in deadweight loss. The divestiture of the largest company would have a significant effect of mitigating market power in the Japanese electricity market.

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Bibliographic Info

Article provided by Elsevier in its journal Energy Economics.

Volume (Year): 31 (2009)
Issue (Month): 5 (September)
Pages: 690-701

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Handle: RePEc:eee:eneeco:v:31:y:2009:i:5:p:690-701

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Keywords: Electricity Transmission Cournot Complementarity Divestiture;

References

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  1. Shu-ichi Akiyama & Nobuhiro Hosoe, 2006. "A Spatial Equilibrium Analysis of Transmission Charge Reform in Japan's Electric Power Industry," Discussion papers 06022, Research Institute of Economy, Trade and Industry (RIETI).
  2. Makoto Tanaka, 2007. "Extended Price Cap Mechanism for Efficient Transmission Expansion under Nodal Pricing," Networks and Spatial Economics, Springer, vol. 7(3), pages 257-275, September.
  3. W. Kip Viscusi & Joseph E. Harrington & John M. Vernon, 2005. "Economics of Regulation and Antitrust, 4th Edition," MIT Press Books, The MIT Press, edition 4, volume 1, number 026222075x, December.
  4. TANAKA Makoto, 2006. "A Simulation Analysis of Transmission - Constrained Oligopoly in the Wholesale Electricity Market (Japanese)," Discussion Papers (Japanese) 06010, Research Institute of Economy, Trade and Industry (RIETI).
  5. Yao, Jian & Oren, Shmuel S. & Adler, Ilan, 2007. "Two-settlement electricity markets with price caps and Cournot generation firms," European Journal of Operational Research, Elsevier, vol. 181(3), pages 1279-1296, September.
  6. Berenstein, Severin & Bushnell, James & Stoft, Steven, 2000. "The Competitive Effects of Transmission Capacity in a Deregulated Electricity Industry," Staff General Research Papers 13145, Iowa State University, Department of Economics.
  7. Green, Richard, 1999. "The Electricity Contract Market in England and Wales," Journal of Industrial Economics, Wiley Blackwell, vol. 47(1), pages 107-24, March.
  8. Cardell, Judith B. & Hitt, Carrie Cullen & Hogan, William W., 1997. "Market power and strategic interaction in electricity networks," Resource and Energy Economics, Elsevier, vol. 19(1-2), pages 109-137, March.
  9. Green, Richard J, 1996. "Increasing Competition in the British Electricity Spot Market," Journal of Industrial Economics, Wiley Blackwell, vol. 44(2), pages 205-16, June.
  10. Berry, Carolyn A. & Hobbs, Benjamin F. & Meroney, William A. & O'Neill, Richard P. & StewartJr, William R., 1999. "Understanding how market power can arise in network competition: a game theoretic approach," Utilities Policy, Elsevier, vol. 8(3), pages 139-158, September.
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Citations

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Cited by:
  1. Nobuhiro Hosoe & Makoto Tanaka, 2012. "How Much is TEPCO Worth?–Estimating the Fundamental Value of its Thermal Plants," GRIPS Discussion Papers 12-02, National Graduate Institute for Policy Studies.
  2. Michiel de Nooij, 2010. "Social cost benefit analysis of interconnector investment: A critical appraisal," Bremen Energy Working Papers 0002, Bremer Energie Institut.
  3. TANAKA Makoto, 2007. "Oligopolistic Competition in the Japanese Wholesale Electricity Market: A Linear Complementarity Approach," Discussion papers 07023, Research Institute of Economy, Trade and Industry (RIETI).
  4. de Nooij, Michiel, 2011. "Social cost-benefit analysis of electricity interconnector investment: A critical appraisal," Energy Policy, Elsevier, vol. 39(6), pages 3096-3105, June.
  5. Alexander Zerrahn & Daniel Huppmann, 2014. "Network Expansion to Mitigate Market Power: How Increased Integration Fosters Welfare," Discussion Papers of DIW Berlin 1380, DIW Berlin, German Institute for Economic Research.
  6. Kamiński, Jacek, 2014. "A blocked takeover in the Polish power sector: A model-based analysis," Energy Policy, Elsevier, vol. 66(C), pages 42-52.

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