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Marginal Cost Pricing in Hydro-Thermal Power Industries: Is a Capacity Charge Always Needed?

  • M. Soledad Arellano
  • Pablo Serra

    ()

This paper explores marginal cost pricing in hydro-thermal power industries. As in standard peak-load pricing for all-thermal electric systems, pricing consists of an energy charge and a capacity charge. However, the marginal cost of hydro generation now includes the value of water, which is determined endogenously. In turn, the capacity charge equals the marginal cost of increasing capacity which depends on the costs of both technologies and on the plant factor of hydro plants relative to the system’s load factor. Moreover, if the cost advantage of the hydro technology is sufficiently high, then the optimal total installed capacity is larger than the system’s maximum demand and henceforth the optimal capacity charge equals zero. JEL Codes: L11, L13, L51, L94.

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File URL: http://www.dii.uchile.cl/~cea/sitedev/cea/www/download.php?file=documentos_trabajo/ASOCFILE120070816161836.pdf
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Paper provided by Centro de Economía Aplicada, Universidad de Chile in its series Documentos de Trabajo with number 238.

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Date of creation: 2007
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Handle: RePEc:edj:ceauch:238
Contact details of provider: Web page: http://www.dii.uchile.cl/cea/

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