The integration of wind and solar photovoltaic generation capacity in Chile is increasing rapidly. During somedays of the month of November 2018, generation from these Variable Renewable Energy (VRE) sources exceeded20% of the daily system-wide generation. The rapid integration of VRE in Chile is giving rise to a “middlemarket”, which presents an increased need for intermediate generation that can adapt its output to variations inelectricity demand and VRE production. The regional needs for intermediate generation will depend on thelocation of new VRE projects, the location of existing assets that provide flexibility, the evolution of thetransmission system, and regulatory definitions [1].
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