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Reliability mechanism design: an economic approach to enhance adequate remuneration and enable efficient expansion

J.P. Bastos, G. Cunha, L.A. Barroso, T. Aquino

In the sectoral reform processes that several countries underwent in the 1990s and 2000s, it was common to introduce a capacity mechanism to ensure adequacy in the systems' expansion. The definition of a «reliability product» that is separate from the energy product, whose main role is to identify the contribution of generators during critical moments of low probability, was instrumental to attract investments in new generation in the newly-liberalized electricity markets. This study presents a methodology to simultaneously determine not only the value of the reliability product as perceived by the demand side but also the quantities of this product (the firm energy certificates) to be allocated to each generator in a hydrothermal power system. The methodology was put into practice through a detailed case study of the Brazilian electric system using specialized optimization software. We calculated the amount of firm energy certificates and their economic value for six technologically representative generators - thermoelectric plants with different variable costs (peak and baseload), hydropower plants with and without seasonal reservoirs, wind and solar - evidencing the role played by the characteristics of each technology in the allocation of the firm energy certificates among generators.

Palabras clave: Electricity marketsFirm energy certificateReliability mechanism

Energy. Volumen: 158 Páginas: 1150-1159

Índice de impacto JCR y cuartil Scopus: 4.968 - Q1 (2017)

Referencia DOI: DOI icon 10.1016/    

Publicado en papel: Septiembre 2018. Publicado on-line: Mayo 2018.

J.P. Bastos, G. Cunha, L.A. Barroso, T. Aquino. Reliability mechanism design: an economic approach to enhance adequate remuneration and enable efficient expansion. Energy. vol. 158, pp. 1150-1159, Septiembre 2018. [Online: Mayo 2018]

    Líneas de investigación:
  • Modelos estratégicos de ofertas
  • Diseño y regulación de mercados energéticos

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