(279c) Strategic Planning of Hydrogen Supply Chains for Meeting Local, Regional, and Global Demands
AIChE Annual Meeting
2023
2023 AIChE Annual Meeting
Topical Conference: Sustainable Pathways Toward Hydrogen and Synthetic Fuels
Sustainable Pathways to Clean Hydrogen and Synthetic Fuels IV
Tuesday, November 7, 2023 - 8:50am to 9:15am
In this study, we present a strategic hierarchical clustering approach for the hydrogen supply chain to satisfy local, regional, and global hydrogen demand. For each location on the geo-spatial grid, we develop a mixed-integer non-linear programming (MINLP) model for the simultaneous design and scheduling of H2. Essentially, the model optimizes the cost and reports the optimal size of the solar farm, wind farm, electrolyzer, H2 storage capacity and the cost of H2. High-fidelity models are developed for the electrolyzer and then reduced order models are implemented in the optimization model. With such a high spatial resolution, data procurement, curation, and analysis is a major challenge for such a large-scale problem [5]. We focus on Texas as a case study and consider the hydrogen production potential from wind and solar resources at the county level, the serviceable consumption potential for hydrogen in the industrial and transportation sectors, and storage, which leads to county-wise local demand. To determine the ideal location for the hydrogen hub/hubs in Texas, we consider the hydrogen production, transportation, and storage cost. We formulate the supply chain element cost function for transportation and storage, including the transformation cost, and analyze centralized vs. distributed hydrogen supply chain. We then conduct clustering to determine the optimal hydrogen supply chain to satisfy the state's country-wise local hydrogen demand economically. Finally, we extend the same hierarchical clustering approach for national, regional, and global levels. This method can assist in locating the optimal location for a hydrogen production facility considering the variable local energy sources and supply chain costs. It can be extended to all states in the United States and other countries with similar energy resources, providing strategic supply chain development and policy reformation suggestions.
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