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How do Spot prices affect aggregate electricity demand?

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Author Info

  • Torstein Bye
  • Petter Vegard Hansen

    ()
    (Statistics Norway)

Abstract

All participants in power exchanges are interested in market responses when electricity prices change because this influences the profitability of actions. Contrary to most econometric work in this field, which uses annual time series or panel data, we exploit high-frequency data from a power exchange to estimate the spot price elasticities of the total market and of different market segments. The use of such data requires a simultaneous market model including both behavioral and control variables to capture short-term shifts in both demand and supply. Compared with Wolfram (1999) our short-term responses to spot market prices are not straightforward because the picture is confused by differences in production flexibilities in a complex and heterogeneous supply side, demand technologies and a combination of different end-user contracts. We show that short- and long-run price effects on demand differ significantly among hours, weekdays, seasons, and countries.

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Bibliographic Info

Paper provided by Research Department of Statistics Norway in its series Discussion Papers with number 527.

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Date of creation: Jan 2008
Date of revision:
Handle: RePEc:ssb:dispap:527

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Keywords: Electricity demand; Simultaneous markets; High Frequent data; Electricity Exhange;

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References

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  1. Littlechild, Stephen, 2006. "Competition and contracts in the Nordic residential electricity markets," Utilities Policy, Elsevier, vol. 14(3), pages 135-147, September.
  2. Bye, Torstein & Bruvoll, Annegrete & Aune, Finn Roar, 2008. "Inflow shortages in deregulated power markets -- Reasons for concern?," Energy Economics, Elsevier, vol. 30(4), pages 1693-1711, July.
  3. Amundsen, Eirik S. & Bergman, Lars, 2007. "Integration of multiple national markets for electricity: The case of Norway and Sweden," Energy Policy, Elsevier, vol. 35(6), pages 3383-3394, June.
  4. Amundsen, Eirik S. & Bergman, Lars, 2006. "Why has the Nordic electricity market worked so well?," Utilities Policy, Elsevier, vol. 14(3), pages 148-157, September.
  5. Johnsen, Tor Arnt, 2001. "Demand, generation and price in the Norwegian market for electric power," Energy Economics, Elsevier, vol. 23(3), pages 227-251, May.
  6. Nesbakken, Runa, 1999. "Price sensitivity of residential energy consumption in Norway," Energy Economics, Elsevier, vol. 21(6), pages 493-515, December.
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Cited by:
  1. Kopsakangas Savolainen, Maria & Svento, Rauli, 2012. "Real-Time Pricing in the Nordic Power markets," Energy Economics, Elsevier, vol. 34(4), pages 1131-1142.
  2. Mirza, Faisal Mehmood & Bergland, Olvar, 2011. "The impact of daylight saving time on electricity consumption: Evidence from southern Norway and Sweden," Energy Policy, Elsevier, vol. 39(6), pages 3558-3571, June.

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