Title Optimal Bidding of a Group of Wind Farms in Day-Ahead Markets Through an External Agent
Authors Guerrero-Mestre, Victoria , SÁNCHEZ DE LA NIETA LÓPEZ, AGUSTÍN ALEANDRO, Contreras, Javier , Catalao, Joao P. S.
External publication Si
Means IEEE Trans Power Syst
Scope Article
Nature Científica
JCR Quartile 1
SJR Quartile 1
JCR Impact 5.68000
SJR Impact 3.36800
Web https://www.scopus.com/inward/record.uri?eid=2-s2.0-84942456141&doi=10.1109%2fTPWRS.2015.2477466&partnerID=40&md5=3e6d0fb2054320529820169107633411
Publication date 01/07/2016
ISI 000375774200018
Scopus Id 2-s2.0-84942456141
DOI 10.1109/TPWRS.2015.2477466
Abstract In deregulated electricity markets, producers offer their energy to the day-ahead market. As the subsidies for renewable producers are becoming lower and lower, they have to adapt to market prices. This paper models the energy trading in the day-ahead market for wind power producers. Different strategies are proposed for this purpose: 1) several wind farms offering their energy separately to the day-ahead market; 2) the same strategy as in 1) but compensating the imbalance among different wind farms; and 3) a joint offer involving several wind farms through an external agent in order to minimize the imbalances between the offer and the final power generation. The strategies are modeled with stochastic mixed integer linear programming and Conditional Value at Risk is used to consider the risk assessment. The expected profit including risk aversion is maximized for each wind power producer and for the set of wind power producers in the case of a joint offer. A comparison of the different cases is described in detail in a case study and relevant conclusions are provided.
Keywords Conditional Value at Risk (CVaR); day-ahead market; energy trading; external agent; imbalances; stochastic mixed integer linear programming; wind power
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