Browsing by Author "Marques, Carlos Pedro Tavares Freire"
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- Optimal Sizing of Renewable Energy Communities: A Multi-Objective Optimization ApproachPublication . Marques, Carlos Pedro Tavares Freire; Pombo, José Álvaro NunesRenewable energy communities (RECs) have gained popularity as a new mean of reducing carbon emissions and enhancing energy independence. However, determining the optimal sizing for each production and storage unit within RECs poses challenges due to conflicting objectives, such as minimizing costs while maximizing energy production. In an attempt to optimally address this issue, this paper proposes a new multi-objective optimization algorithm (MOA) denoted Multi-Objective Arithmetic & Differential Evolution Optimization (MOADEO). Nevertheless, to determine the optimal sizing of each of the production and storage units in RECs, this paper employs an existent and widely used MOA present in the literature, named Multi-Objective Particle Swarm Optimization (MOPSO), with multiple swarms. This multiple swarms approach aims to foster a broader diversity of solutions while concurrently ensuring a good plurality of nondominant solutions that define the Pareto Front. To evaluate the effectiveness and reliability of this approach, four case studies with different energy management strategies (EMSs) focused on real-world operations were evaluated, aiming to replicate the practical challenges encountered in actual RECs. The results demonstrate the effectiveness of the proposed approach in determining the optimal size of production and storage units, while simultaneously addressing multiple conflicting objectives, including economic and flexibility viability, specifically Levelized Cost of Energy (LCOE), SelfConsumption Ratio (SCR) and Self-Sufficiency Ratio (SSR). The findings also provide valuable insights that clarify which EMSs are most suitable for this type of communities.