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Supplementary files for "Modeling and optimization of renewable hydrogen systems: A systematic methodological review and machine learning integration" - Load Calculation Tool

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posted on 2025-01-27, 09:25 authored by Richard BlanchardRichard Blanchard, Edward Barbour, Mulako Mukelabai

Supplementary files for article "Modeling and optimization of renewable hydrogen systems: A systematic methodological review and machine learning integration"

The renewable hydrogen economy is recognized as an integral solution for decarbonizing energy sectors. However, high costs have hindered widespread deployment. One promising way of reducing the costs is optimization. Optimization generally involves finding the configuration of the renewable generation and hydrogen system components that maximizes return on investment. Previous studies have included many aspects into their optimisations, including technical parameters and different costs/socio-economic objective functions, however there is no clear best-practice framework for model development. To address these gaps, this critical review examines the latest development in renewable hydrogen microgrid models and summarises the best modeling practice. The findings show that advances in machine learning integration are improving solar electricity generation forecasting, hydrogen system simulations, and load profile development, particularly in data-scarce regions. Additionally, it is important to account for electrolyzer and fuel cell dynamics, rather than utilizing fixed performance values. This review also demonstrates that typical meteorological year datasets are better for modeling solar irradiation than first-principle calculations. The practicability of socio-economic objective functions is also assessed, proposing that the more comprehensive Levelized Value Addition (LVA) is best suited for inclusion into models. Best practices for creating load profiles in regions like the Global South are discussed, along with an evaluation of AI-based and traditional optimization methods and software tools. Finally, a new evidence-based multi-criteria decision-making framework Revised Manuscript with no changes marked Click here to view linked References integrated with machine learning insights, is proposed to guide decision-makers in selecting optimal solutions based on multiple attributes, offering a more comprehensive and adaptive approach to renewable hydrogen system optimization.

© The Authors, CC BY 4.0

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EPSRC Centre for Doctoral Training in Sustainable Hydrogen - SusHy

Engineering and Physical Sciences Research Council

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