Reliability and Competitive Electricity Markets
AbstractDespite all of the talk about deregulation' of the electricity sector, a large number of non-market mechanisms have been imposed on emerging competitive wholesale and retail markets. These mechanisms include spot market price caps, operating reserve requirements, non-price rationing protocols, and administrative protocols for managing system emergencies. Many of these mechanisms have been carried over from the old regime of regulated monopoly and continue to be justified as necessary responses to market imperfections of various kinds and engineering requirements dictated by the special physical attributes of electric power networks. This paper seeks to bridge the gap between economists focused on designing competitive market mechanisms and engineers focused on the physical attributes and engineering requirements they perceive as being needed for operating a reliable electric power system. The paper starts by deriving the optimal prices and investment program when there are price-insensitive retail consumers, and their load serving entities can choose any level of rationing they prefer contingent on real time prices. It then examines the assumptions required for a competitive wholesale and retail market to achieve this optimal price and investment program. The paper analyses the implications of relaxing several of these assumptions. First, it analyzes the interrelationships between regulator-imposed price caps, capacity obligations, and system operator procurement, dispatch and compensation arrangements. It goes on to explore the implications of potential network collapses, the concomitant need for operating reserve requirements and whether market prices will provide incentives for investments consistent with these reserve requirement.
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Bibliographic InfoPaper provided by Institut d'Économie Industrielle (IDEI), Toulouse in its series IDEI Working Papers with number 310.
Date of creation: Oct 2004
Date of revision:
Publication status: Published in The RAND Journal of Economics, vol.�38, n°1, 2007, p.�60-84.
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Other versions of this item:
- Joskow, Paul L & Tirole, Jean, 2007. "Reliability and Competitive Electricity Markets," CEPR Discussion Papers 6121, C.E.P.R. Discussion Papers.
- Paul L. Joskow & Jean Tirole, 2004. "Reliability and Competitive Electricity Markets," NBER Working Papers 10472, National Bureau of Economic Research, Inc.
- Joskow, P. & Tirole, J., 2004. "Reliability and Competitive Electricity Markets," Cambridge Working Papers in Economics 0450, Faculty of Economics, University of Cambridge.
- Paul Joskow & Jean Tirole, 2004. "Reliability and Competitive Electricity Markets," Working Papers 0408, Massachusetts Institute of Technology, Center for Energy and Environmental Policy Research.
- L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
- L9 - Industrial Organization - - Industry Studies: Transportation and Utilities
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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- Joskow, Paul & Tirole, Jean, 2004. "Retail Electricity Competition," IDEI Working Papers 311, Institut d'Économie Industrielle (IDEI), Toulouse.
- Paul L. Joskow & Jean Tirole, 2004. "Retail Electricity Competition," NBER Working Papers 10473, National Bureau of Economic Research, Inc.
- Joskow, P. & Tirole, J., 2004. "‘Retail Electricity Competition’," Cambridge Working Papers in Economics 0430, Faculty of Economics, University of Cambridge.
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