NuScale Power Corp. has announced significant advancements in its research on integrated energy systems, focusing on the production of clean water and energy-efficient hydrogen. Utilizing advanced small modular reactor $(SMR.AU)$ technology, the company has developed an Integrated Energy System simulator. This simulator is designed to optimize hydrogen production through High-Temperature Steam Electrolysis, alongside hydrogen fuel cell generation and storage. The project's results, which include a redesigned steam supply, hydrogen compression, and heat recovery system control logic, were developed in collaboration with GSE Solutions. These innovations enable NuScale to evaluate and optimize configurations for industrial applications requiring over 200 metric tons of hydrogen per day. The results were recently presented, marking a milestone as NuScale becomes the first SMR company to integrate hydrogen production into its control room simulator.