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Long-term contracting in hydro-thermal electricity generation: welfare and environmental impact

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  • de Villemeur, Étienne
  • Vinella, Annalisa

Abstract

We consider electricity generation industries where thermal operators imperfectly compete with hydro operators that manage a (scarce) water stock stored in reservoirs over a natural cycle. We explore how the exercise of intertemporal market power affects social welfare and environmental quality. We show that, as compared to the outcome of spot markets, long-term contracting either exacerbates or alleviates price distortions, depending upon the consumption pattern over the water cycle. Moreover, it induces a second-order environmental effect that, in the presence of a thermal competitive fringe, is critically related to the thermal market shares in the different periods of the cycle. We conclude by providing policy insights.

Suggested Citation

  • de Villemeur, Étienne & Vinella, Annalisa, 2010. "Long-term contracting in hydro-thermal electricity generation: welfare and environmental impact," TSE Working Papers 10-182, Toulouse School of Economics (TSE).
  • Handle: RePEc:tse:wpaper:22932
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    References listed on IDEAS

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    1. Barnett, A H, 1980. "The Pigouvian Tax Rule under Monopoly," American Economic Review, American Economic Association, vol. 70(5), pages 1037-1041, December.
    2. Billette de Villemeur, Etienne & Pineau, Pierre-Olivier, 2010. "Environmentally damaging electricity trade," Energy Policy, Elsevier, vol. 38(3), pages 1548-1558, March.
    3. Rangel, Luiz Fernando, 2008. "Competition policy and regulation in hydro-dominated electricity markets," Energy Policy, Elsevier, vol. 36(4), pages 1292-1302, April.
    4. Apergis, Nicholas & Payne, James E., 2010. "Energy consumption and growth in South America: Evidence from a panel error correction model," Energy Economics, Elsevier, vol. 32(6), pages 1421-1426, November.
    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. Soledad Arellano, 2004. "Market Power in Mixed Hydro-Thermal Electric," Documentos de Trabajo 187, Centro de Economía Aplicada, Universidad de Chile.
    7. M. Soledad Arellano, 2004. "Market Power in Mixed Hydro-Thermal Electric Systems," Econometric Society 2004 Latin American Meetings 211, Econometric Society.
    8. Crampes, C. & Moreaux, M., 2001. "Water resource and power generation," International Journal of Industrial Organization, Elsevier, vol. 19(6), pages 975-997, May.
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    Cited by:

    1. Wu, Xin-wang & Zhu, Quan-tao & Sun, Laixiang, 2012. "On equivalence between Cournot competition and the Kreps–Scheinkman game," International Journal of Industrial Organization, Elsevier, vol. 30(1), pages 116-125.
    2. Etienne Billette de Villemeur and Pierre-Olivier Pineau, 2016. "Integrating Thermal and Hydro Electricity Markets: Economic and Environmental Costs of not Harmonizing Pricing Rules," The Energy Journal, International Association for Energy Economics, vol. 0(Number 1).
    3. Zeng, Ming & Yang, Yongqi & Fan, Qiannan & Liu, Yingxin & Zou, Zhuojun, 2015. "Coordination between clean energy generation and thermal power generation under the policy of “direct power-purchase for large users” in China," Utilities Policy, Elsevier, vol. 33(C), pages 10-22.
    4. Robles, Jack, 2016. "Infinite horizon hydroelectricity games," Working Paper Series 5075, Victoria University of Wellington, School of Economics and Finance.

    More about this item

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L93 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Air Transportation
    • Q50 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - General

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