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The Potential for Segmentation of the Retail Market for Electricity in Ireland

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  • Hyland, Marie
  • Leahy, Eimear
  • Tol, Richard S. J.

Abstract

We estimate the gross margin that is earned from the supply of electricity to households in Ireland. Using half hourly electricity demand data, the system marginal price (also called the wholesale price) and the retail price of electricity, we analyse how the gross margin varies across customers with different characteristics. The wholesale price varies throughout the day, thus, the time at which electricity is used affects the gross margin. The main factor in determining gross margin, however, is demand. The highest gross margins are earned from supplying customers that have the following characteristics: being aged between 46 and 55, having a household income of at least ?75,000 per annum, being self?employed, having a third level education, having a professional or managerial occupation, living in a household with 7 or more people, living in a detached house, having at least 5 bedrooms or being a mortgage holder. An OLS regression shows that gross margin is partly explained by the energy conservation measures which are present in a household, the number of household members, the number of bedrooms, income, age, occupation and accommodation type.

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Bibliographic Info

Paper provided by Economic and Social Research Institute (ESRI) in its series Papers with number WP433.

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Date of creation: Apr 2012
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Handle: RePEc:esr:wpaper:wp433

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Keywords: data/education/electricity/Ireland/regression;

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  1. Vine, Edward & Hamrin, Jan & Eyre, Nick & Crossley, David & Maloney, Michelle & Watt, Greg, 2003. "Public policy analysis of energy efficiency and load management in changing electricity businesses," Energy Policy, Elsevier, vol. 31(5), pages 405-430, April.
  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. Joskow, P. & Tirole, J., 2004. "‘Retail Electricity Competition’," Cambridge Working Papers in Economics 0430, Faculty of Economics, University of Cambridge.
  4. Joe O'Doherty & Seán Lyons & Richard S. J. Tol, 2007. "Energy-Using Appliances and Energy-Saving Features: Determinants of Ownership in Ireland," Papers WP219, Economic and Social Research Institute (ESRI).
  5. Druckman, A. & Jackson, T., 2008. "Household energy consumption in the UK: A highly geographically and socio-economically disaggregated model," Energy Policy, Elsevier, vol. 36(8), pages 3167-3182, August.
  6. Leahy, Eimear & Lyons, Sean, 2010. "Energy use and appliance ownership in Ireland," Energy Policy, Elsevier, vol. 38(8), pages 4265-4279, August.
  7. repec:rje:randje:v:37:y:2006:i:4:p:799-815 is not listed on IDEAS
  8. Rothschild, Michael & Stiglitz, Joseph E, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, MIT Press, vol. 90(4), pages 630-49, November.
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