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Water value in electricity markets

J. Reneses, J. Barquín, J. García-González, E. Centeno

International Transactions on Electrical Energy Systems Vol. 26, nº. 3, pp. 655 - 670


This paper analyzes the operation of water resources of hydro-electric plants in competitive generation power markets. With that purpose, the traditional definition of water value used in centralized systems is updated and extended in order to adapt it to electricity markets, where generation companies face the hydrothermal coordination under a competitive environment. Two different water values are defined, as well as their applications: profit-based value and cost-based value. The paper proves that for the short-term operation of hydro units, the correct long-term signal is the cost-based water value, even in oligopoly markets. The proposed methodology to compute both water values is presented by means of an illustrative example, which is used to derive the mathematical formulation. Finally, the model is applied to a study case, where the obtained results show clearly the practical implications of the concepts discussed previously.

Palabras Clave: electricity markets; hydrothermal coordination; market equilibrium; water value

Índice de impacto JCR y cuartil WoS: 1,085 - Q3 (2016); 2,300 - Q3 (2022)

Referencia DOI: DOI icon

Publicado en papel: Marzo 2016.

Publicado on-line: Junio 2015.

J. Reneses, J. Barquín, J. García-González, E. Centeno, Water value in electricity markets. International Transactions on Electrical Energy Systems. Vol. 26, nº. 3, pp. 655 - 670, Marzo 2016. [Online: Junio 2015]

    Líneas de investigación:
  • *Planificación táctica a medio plazo
  • *Programación de la Operación a Corto Plazo, Elaboración de Ofertas y Análisis de Reservas de Operación

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