In the port town of Tema, Ghana, a groundbreaking project is underway to integrate hydrogen and fuel cell technology into a mini-grid at the Don Bosco Educational Campus. The GH2GH project, funded by the BMUV of Germany, aims to explore the potential of green hydrogen in decentralized energy supply within Sub-Saharan Africa. By combining solar energy with hydrogen technology, the project enhances the grid's capabilities, allowing for better utilization of generated solar electricity through efficient storage solutions. This integration enables reliable energy supply for the educational campus while also fostering local knowledge and expertise. The expansion of the mini-grid includes a hydrogen electrolyser, storage facilities, and a fuel cell, enabling the conversion of excess electricity into hydrogen for storage and later conversion back to electricity as needed. This approach optimizes resource utilization and contributes to sustainable energy management practices. The GH2GH project aligns with the broader initiatives of the BMUV, which also supports the 'AHK Ghana H2' project focusing on decentralized energy supply in Ghana. Decentralized energy systems, like the one being developed in Tema, offer significant potential in regions where traditional power infrastructure is underdeveloped or prone to disruptions. Ghana's high electrification rate highlights its commitment to advancing sustainable energy solutions, especially crucial in the face of climate change challenges affecting energy security. By leveraging a combination of renewable energy sources, storage technologies, and intelligent energy management, projects like GH2GH pave the way for a greener and more resilient energy future in Ghana and beyond.