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Graciosa Island’s Hybrid Energy System Expansion Scenarios: A Technical and Economic Analysis
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Advisor(s)
Abstract(s)
The island of Graciosa in the Azores faces unique energy challenges due to its remote location and reliance on imported diesel fuel. As a result, a hybrid energy system has been implemented that combines wind and solar energy with energy storage and diesel generators. This article examines the expansion of the island’s hybrid energy system, by simulating four alternative scalable scenarios that take into account expected technological advances over the next 20 years, including technologies such as biomass and hydrogen. Homer Pro and PVSyst software were used for optimizing the design of the stand-alone hybrid renewable energy system, with the aim of achieving cost-effective configurations and optimizing production, storage, and power grid management. Four simulations were performed to evaluate the expansion scenarios, namely in terms of configurations, component sizing, and economic feasibility. The results show that the most balanced, cost-effective scenario is the one that combines all the energy sources considered: photovoltaic, wind, biomass, battery storage, and hydrogen. The originality of this study lies in the scenario comparison methodology used to evaluate the viability and expansion of a hybrid energy system using modern renewable energy production technologies adapted to the specific insular conditions of Graciosa Island, assessing the economic impact and taking into account the imperative of energy security. This paper provides valuable insights into the potential and challenges of hybrid energy systems on the island of Graciosa and is instrumental for projects alike in similar remote regions.
Description
Keywords
sustainable energy renewables hybrid energy system grid expansion simulation Graciólica project Graciosa Island
Citation
Nogueira, T.; Jesus, J.; Magano, J. . Graciosa Island´s Hybrid Energy System Expansion Scenarios: A Technical and Economic Comparison Analysis. J Sustain Res. 2024;6(2): e2400010. https://doi.org/10.20900/jsr20240010
Publisher
Hapres