The 21st century's energy challenges have spurred interest in sustainable alternatives to fossil fuels, with hydrogen gas emerging as a potential solution. While artificial hydrogen production is costly, natural hydrogen created through serpentinization processes in deep-earth rocks offers a promising avenue. Scientists are exploring locations like Oman, New Caledonia, Albania, and Kosovo for viable sources of natural hydrogen. The H-HOPE project, part of the EU's Horizon Europe programme, focuses on leveraging hidden hydro energy from existing water infrastructure in Europe. By developing innovative technology like elastic-mounted cylinders with piezoelectric patches, the project aims to boost energy efficiency in water systems and support renewable energy goals. The H-HOPE Learning Platform supplements this effort by providing educational resources and engaging with stakeholders to promote sustainable water energy solutions. Through its initiatives, H-HOPE seeks to reduce CO₂ emissions, enhance energy independence, and bolster water network resilience, contributing to a cleaner and more sustainable energy future.