Abstract
Isolated microgrids, such as islands, rely on fossil fuels for electricity generation and include vehicle fleets, which poses significant environmental challenges. To address this, distributed energy resources based on renewable energy and electric vehicles (EVs) have been deployed in several places. However, they present operational and planning concerns. Hence, the aim of this paper is to propose a two-level microgrid problem. The first problem considers an EV charging strategy that minimizes charging costs and maximizes the renewable energy use. The second level evaluates the impact of this charging strategy on the power generation planning of Santa Cruz Island, Galapagos, Ecuador. This planning model is simulated in HOMER Energy. The results demonstrate the economic and environmental benefits of investing in additional photovoltaic (PV) generation and in the EV charging strategy. Investing in PV and smart charging for EVs could reduce the N P C by 13.58%, but a reduction in the N P C of the EV charging strategy would result in up to 3.12%.
Highlights
Islands and remote communities face electrical power generation issues due to their geographical location [1,2]
Case C: The optimal power generation planning is solved with the proposed charging strategy
This paper presented a two-stage power generation planning of a microgrid, considering new electric vehicles (EVs)
Summary
Islands and remote communities face electrical power generation issues due to their geographical location [1,2]. Diesel needs to be transported to isolated places, which presents risks such as spills in islands. To address such issues, renewable energy sources (RESs) have been implemented in various places in the world. Several efforts have been performed to integrate RESs in isolated microgrids to mitigate the dependency on fossil fuels [3,4]. Power generation planning of microgrid follows optimal generation configuration and has to meet various constraints and take into consideration uncertainties [44].
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