Spain has adopted ambitious targets for renewable energy deployment in its National Energy and Climate Plan (NECP) 2021-2030, 1 which foresees the deployment of 5GW/year of new renewable electricity-based capacity in the next decade. In order to comply with these targets, the NECP envisages using auctions, among other measures and mechanisms (such as the use of power purchase agreements (PPAs) and merchant plants).

During 2020, 43% of the total electricity production in Spain was generated using renewable energy sources (RES). The NECP establishes the targets of 74% of total power demand being covered by renewable energy by 2030, and 100% by 2050. The NECP also sets the objective of scaling up the use of energy storage technologies, to reach 6 GW power storage capacity by 2030, in order to provide greater system flexibility and management, to support the ever larger incorporation of variable and non-variable renewables-based
generated electricity (BOE, 2021).

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