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Electricity Generation with Looped Transmission Networks: Bidding to an ISO

  • Hu, X.
  • Ralph, D.
  • Ralph, E.K.
  • Bardsley, P.
  • Ferris, M.C.

This paper uses a bi-level game to model markets for delivery of electrical power on looped transmission networks. It analyzes the effectiveness of an independent system operator (ISO) when generators (and, in some cases, retailers) with market power bid a single parameter of their linear supply (demand) functions to the ISO. The ISO, taking these bids at face value, maximizes welfare subject to transmission constraints. We find that equilibrium outcomes are sensitive to firms’ strategy spaces: 1. In the presence of transmission congestion and loop flows, supply function equilibria (SFE) are not bounded from above by Cournot equilibria, so Cournot outcomes may be more effcient than SFE, a difference that can be accentuated by increasing the number of rivals at a given node; 2. Allocation of transmission rights to generators can reduce effciency; and 3. Countervailing power on the part of buyers can lower effciency.

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File URL: http://www.econ.cam.ac.uk/electricity/publications/wp/ep65.pdf
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Paper provided by Faculty of Economics, University of Cambridge in its series Cambridge Working Papers in Economics with number 0470.

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Length: 31
Date of creation: Nov 2004
Date of revision:
Handle: RePEc:cam:camdae:0470
Note: CMI, IO
Contact details of provider: Web page: http://www.econ.cam.ac.uk/index.htm

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  1. 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.
  2. Hogan, William W, 1992. "Contract Networks for Electric Power Transmission," Journal of Regulatory Economics, Springer, vol. 4(3), pages 211-42, September.
  3. 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.
  4. Green, Richard J & Newbery, David M, 1992. "Competition in the British Electricity Spot Market," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 929-53, October.
  5. Steven Stoft, 1999. "Financial Transmission Rights Meet Cournot: How TCCs Curb Market Power," The Energy Journal, International Association for Energy Economics, vol. 0(Number 1), pages 1-23.
  6. Gilbert, Richard & Neuhoff, Karsten & Newbery, David, 2002. "Mediating Market Power in Electricity Networks," Competition Policy Center, Working Paper Series qt8zq3z0tj, Competition Policy Center, Institute for Business and Economic Research, UC Berkeley.
  7. Richard Green, 2001. "Markets for Electricity in Europe," Oxford Review of Economic Policy, Oxford University Press, vol. 17(3), pages 329-345.
  8. Shmuel S. Oren, 1997. "Economic Inefficiency of Passive Transmission Rights in Congested Electricity Systems with Competitive Generation," The Energy Journal, International Association for Energy Economics, vol. 0(Number 1), pages 63-83.
  9. Klemperer, Paul D & Meyer, Margaret A, 1989. "Supply Function Equilibria in Oligopoly under Uncertainty," Econometrica, Econometric Society, vol. 57(6), pages 1243-77, November.
  10. Von der Fehr, N.H.M. & Harbord, D., 1992. "Spot Market Competition in the UK Electricity Industry," Memorandum 09/1992, Oslo University, Department of Economics.
  11. Ehrenmann, A. & Neuhoff, K., 2003. "A Comparison of Electricity Market Designs in Networks," Cambridge Working Papers in Economics 0341, Faculty of Economics, University of Cambridge.
  12. William W. Hogan, 1997. "A Market Power Model with Strategic Interaction in Electricity Networks," The Energy Journal, International Association for Energy Economics, vol. 0(Number 4), pages 107-141.
  13. Hobbs, Benjamin F, et al, 2000. "Evaluation of a Truthful Revelation Auction in the Context of Energy Markets with Nonconcave Benefits," Journal of Regulatory Economics, Springer, vol. 18(1), pages 5-32, July.
  14. Denton, Michael J. & Rassenti, Stephen J. & Smith, Vernon L., 2001. "Spot market mechanism design and competitivity issues in electric power," Journal of Economic Behavior & Organization, Elsevier, vol. 44(4), pages 435-453, April.
  15. Green, Richard, 1999. "The Electricity Contract Market in England and Wales," Journal of Industrial Economics, Wiley Blackwell, vol. 47(1), pages 107-24, March.
  16. Chao, Hung-Po & Peck, Stephen, 1996. "A Market Mechanism for Electric Power Transmission," Journal of Regulatory Economics, Springer, vol. 10(1), pages 25-59, July.
  17. Cho, In-Koo, 2003. " Competitive Equilibrium in a Radial Network," RAND Journal of Economics, The RAND Corporation, vol. 34(3), pages 438-60, Autumn.
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