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Charges, Costs and Market Power: the Deregulated UK Electricity Retail Market

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  • Evens Salies and Catherine Waddams Price

Abstract

The residential UK electricity market was opened for the first time in 1999, introducing choice of supplier, and about 40 percent of households changed supplier in the first four years. After three years price caps were removed. We review this process and assess the competitiveness of the market by examining how the charges levied by suppliers depend on cost and demand factors for three different payment methods and consumption levels. We also identify signs of additional market power of incumbency and the effect of levying a tariff with no fixed charge. We find that both cost and demand factors affect charges, and the relationship varies for different payment methods and consumption levels; and that tariffs with no fixed element have different effects for different payment methods. We also conclude that considerable market power seems to remain with potentially adverse distributional effects.

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Bibliographic Info

Article provided by International Association for Energy Economics in its journal The Energy Journal.

Volume (Year): Volume 25 (2004)
Issue (Month): Number 3 ()
Pages: 19-36

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Handle: RePEc:aen:journl:2004v25-03-a02

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References

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  1. White, Halbert, 1980. "A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity," Econometrica, Econometric Society, vol. 48(4), pages 817-38, May.
  2. Monica Giulietti & Catherine Waddams Price & Michael Waterson, 2005. "Consumer Choice and Competition Policy: a Study of UK Energy Markets," Economic Journal, Royal Economic Society, vol. 115(506), pages 949-968, October.
  3. Fudenberg, Drew & Tirole, Jean, 1984. "The Fat-Cat Effect, the Puppy-Dog Ploy, and the Lean and Hungry Look," American Economic Review, American Economic Association, vol. 74(2), pages 361-66, May.
  4. Otero, Jesus & Waddams Price, Catherine, 2001. "Price Discrimination, Regulation and Entry in the UK Residential Electricity Market," Bulletin of Economic Research, Wiley Blackwell, vol. 53(3), pages 161-75, July.
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Cited by:
  1. Pollitt, M., 2007. "Evaluating the evidence on electricity reform: Lessons for the South East Europe (SEE) market," Cambridge Working Papers in Economics 0756, Faculty of Economics, University of Cambridge.
  2. Adam Swadley & Mine Yücel, 2011. "Did residential electricity rates fall after retail competition? a dynamic panel analysis," Working Papers 1105, Federal Reserve Bank of Dallas.
  3. Chemla, Gilles & Porchet, Arnaud & Aïd, René & Touzi, Nizar, 2011. "Hedging and vertical integration in electricity markets," Economics Papers from University Paris Dauphine 123456789/11029, Paris Dauphine University.
  4. Nils-Henrik M. Von Der Fehr & Petter Vegard Hansen, 2009. "Electricity Retailing in Norway," RSCAS Working Papers 2009/04, European University Institute.
  5. Littlechild, Stephen, 2006. "Competition and contracts in the Nordic residential electricity markets," Utilities Policy, Elsevier, vol. 14(3), pages 135-147, September.
  6. Giulietti, Monica & Grossi, Luigi & Waterson, Michael, 2009. "Price transmission in the UK electricity market : was NETA beneficial?," The Warwick Economics Research Paper Series (TWERPS) 913, University of Warwick, Department of Economics.
  7. Evens Salies, 2008. "Mergers in the GB electricity market: effects on retail charges," Applied Economics, Taylor & Francis Journals, vol. 40(11), pages 1483-1490.
  8. Nikogosian, Vigen & Veith, Tobias, 2011. "Strategic pricing, market entry and competition: Evidence from German electricity submarkets," ZEW Discussion Papers 11-068, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
  9. Dupont, B. & De Jonghe, C. & Olmos, L. & Belmans, R., 2014. "Demand response with locational dynamic pricing to support the integration of renewables," Energy Policy, Elsevier, vol. 67(C), pages 344-354.
  10. Evens SALIES, 2005. "The effect on retail charges of mergers in the GB electricity market," Econometrics 0506001, EconWPA.
  11. repec:spo:wpecon:info:hdl:2441/7068 is not listed on IDEAS
  12. Karakatsani, Nektaria V. & Bunn, Derek W., 2008. "Intra-day and regime-switching dynamics in electricity price formation," Energy Economics, Elsevier, vol. 30(4), pages 1776-1797, July.

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