Samatar Abdullahi Mohamed, Lekbir Abdelhak, Mekhilef Saad, Mokhlis Hazlie, Tey Kok Soon, Alassaf Abdullah
Department of Electrical Engineering, Faculty of Engineering, Hormuud University, Mogadishu, Somalia.
Power Electronics and Renewable Energy Research Laboratory (PEARL), Department of Electrical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur, 50603, Malaysia.
Sci Rep. 2025 Apr 9;15(1):12140. doi: 10.1038/s41598-025-96401-z.
Integrating renewable energy (RE) into electricity generation enhances sustainability, reduces greenhouse gas emissions, improves energy security, lowers costs, and supports sustainable development, particularly in remote and underserved regions. This study evaluates the feasibility and performance of a hybrid renewable energy system (HRES) designed to meet the energy demands of Hobyo Seaport, Somalia. The proposed HRES incorporates a photovoltaic (PV), wind turbines (WT), diesel generator (DG), pumped hydro energy storage (PHES), and battery energy storage system (BESS). Four configurations-PV/WT/PHES, PV/WT/DG/PHES, PV/WT/DG/BESS, and WT/DG/PHES-were analyzed using HOMER Pro and MATLAB software to optimize system sizing and assess techno-economic and environmental performance. Results indicate that the PV/WT/PHES configuration is the most efficient, achieving a 100% renewable energy fraction, a net present cost of $619,720, the lowest levelized cost of electricity at $0.03845/kWh, and a simple payback period of 0.31 years. Additionally, the system offers significant environmental benefits, mitigating 1,029 tons of CO annually, valued at $20,593 in carbon credits. Over a 20-year period, it reduces cumulative cash flow by 97.1% compared to a diesel-based system. These findings highlight the proposed HRES as a cost-effective and environmentally advantageous solution, establishing its sustainability and practicality for enhancing energy infrastructure in Somalia's Seaports and similar coastal regions.
将可再生能源（RE）整合到发电中可增强可持续性、减少温室气体排放、提高能源安全性、降低成本并支持可持续发展，特别是在偏远和服务不足的地区。本研究评估了一种混合可再生能源系统（HRES）的可行性和性能，该系统旨在满足索马里霍比奥海港的能源需求。所提出的HRES包括光伏（PV）、风力涡轮机（WT）、柴油发电机（DG）、抽水蓄能（PHES）和电池储能系统（BESS）。使用HOMER Pro和MATLAB软件分析了四种配置——PV/WT/PHES、PV/WT/DG/PHES、PV/WT/DG/BESS和WT/DG/PHES——以优化系统规模并评估技术经济和环境性能。结果表明，PV/WT/PHES配置效率最高，可再生能源占比达到100%，净现值成本为619,720美元，平准化度电成本最低，为0.03845美元/千瓦时，简单回收期为0.31年。此外，该系统还具有显著的环境效益，每年可减少1,029吨二氧化碳排放，碳信用价值为20,593美元。在20年的时间里，与基于柴油的系统相比，它可将累计现金流减少97.1%。这些发现突出了所提出的HRES是一种具有成本效益和环境优势的解决方案，确立了其在增强索马里海港及类似沿海地区能源基础设施方面的可持续性和实用性。
