Techno-economic optimization of wind energy based hydrogen refueling station case study Salalah city Oman |
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Affiliation: | 1. Department of Electrical and Computer Engineering, College of Engineering, Dhofar University, Salalah, Oman;2. University of Tunis El Manar, National Engineering School of Tunis-Tunisia, Research Laboratory of Signal Image and Information Technology, Tunisia;3. Department of Mechanical and Mechatronics Engineering, College of Engineering, Dhofar University, Salalah, Oman;4. Laboratoire de Génie Mécanique, Ecole Nationale d’Ingénieurs de Monastir, Université de Monastir, Tunisia;5. Laboratory of Computer for Industrial Systems, INSAT, University of Carthage, Tunisia;6. Department of Electrical Engineering, ENSIT, University of Tunis, Tunisia |
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Abstract: | Clean energy resources will be used more for sustainability improvement and durable development. Efficient technologies of energy production, storage, and usage results in reduction of gas emissions and improvement of the world economy. Despite 30% of electricity being produced from wind energy, the connection of wind farms to medium and large-scale grid power systems is still leading to instability and intermittency problems. Therefore, the conversion of electrical energy generated from wind parks into green hydrogen consists of an exciting solution for advancing the development of green hydrogen production, and the clean transportation sector. This paper presents a techno-economic optimization of hydrogen production for refueling fuel cell vehicles, using wind energy resources. The paper analyses three configurations, standalone Wind-Park Hydrogen Refueling Station (WP-HRS) with backup batteries, WP-HRS with backup fuel cells, and grid-connected WP-HRS. The analysis of different configurations is based on the wind potential at the site, costs of different equipment, and hydrogen load. Therefore, the study aims to find the optimized capacity of wind turbines, electrolyzers, power converters, and storage tanks. The optimization results show that the WP-HRS connected to the grid has the lowest Present Worth Cost (PWC) of 6,500,000 €. Moreover, the Levelized Hydrogen Cost (LHC) of this solution was found to be 6.24 €/kg. This renewable energy system produces 80,000 kg of green hydrogen yearly. |
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Keywords: | Wind energy Green hydrogen Refueling station Optimization Economic assessment |
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