We are confident that our innovative workflow will offer invaluable insights into photochemical reactor designs, serving as an essential tool for process engineers in the industry. Not only does it hold the potential to significantly enhance energy balance evaluations, but it also stands as a pivotal asset for conducting Operational Expenditure (OPEX) assessments by facilitating foresight in anticipating and optimizing material usage. Furthermore, the workflow leads to efficient scale-up studies, by enabling straightforward characterization and design of systems. By bridging the gap between theoretical understanding and practical application, we anticipate our methodology will drive advancements in photochemical reactor optimization and contribute meaningfully to sustainable chemical processing.