Wind power has an increasing share of the Brazilian energy market and\nmay represent 11.6% of total capacity by 2024. For large hydro-thermal systems\nhaving high-storage capacity, a complementarity between hydro and\nwind production could have important effects. The current optimization\nmodels are applied to dispatch power plants to meet the market demand\nand optimize the generation dispatches considering only hydroelectric and\nthermal power plants. The remaining sources, including wind power,\nsmall-hydroelectric plants and biomass plants, are excluded from the optimization\nmodel and are included deterministically. This work introduces a general\nmethodology to represent the stochastic behavior of wind production\naimed at the planning and operation of large interconnected power systems.\nIn fact, considering the generation of the wind power source stochastically\ncould show the complementarity between the hydro and wind power production,\nreducing the energy price in the spot market with the reduction of\nthermal power dispatches. In addition to that, with a reduction in wind power\nand a simultaneous dry-season occurrence, this model, is able to show the\nneed of thermal power plants dispatches as well as the reduction of the risk of\nenergy shortages.
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