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PyPSA-Spain: an extension of PyPSA-Eur to model the Spanish energy system
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PyPSA-Spain: an extension of PyPSA-Eur to model the Spanish energy system
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This work presents PyPSA-Spain, an open-source model of the Spanish energy system based on the European model PyPSA-Eur. It aims to leverage the benefits of single-country modelling over a multi-country approach. In particular, several databases provided by Spanish institutions are exploited to improve the estimation of solar photovoltaic (PV) and onshore wind generation hourly profiles, as well as the spatio-temporal description of the electricity demand. PyPSA-Spain attains hourly resolution for a entire year and represents the Spanish energy system using a configurable number of nodes, while selecting around 35-50 nodes is identified as a good compromise between spatial resolution and model simplicity. To accommodate cross-border interactions, a nested model approach with PyPSA-Eur was used, wherein time-dependent electricity prices from neighbouring countries were precomputed through the optimisation of the European energy system. As a case study, the optimal electricity mix for 2030 was obtained and compared with the latest update of the Spanish National Energy and Climate Plan (NECP) from September 2024.
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