This document describes the process analysis carried out over the first year of the HySelect project, with the aim of evaluating different concepts for the flexible hydrogen production via the Hybrid Sulfur (HyS) cycle powered by solar energy. The analysis was built on the outcomes of relevant previous research projects, considering the technological advancements and the specific innovations proposed within HySelect Project.

This report can be cited using the following DOI: https://doi.org/10.5281/zenodo.17515252