Th, 15. January 2026 → Flipping a light switch, opening the refrigerator, charging a smartphone—what seems completely natural to many of us is still far from reality for millions of people worldwide. Around 700 million people still have no access to electricity. Rural regions on the African continent are particularly affected, as expanding centralized power grids in remote, sparsely populated areas is often not economically viable. One of the most promising solutions lies in so-called microgrids—local, intelligent energy networks. This is precisely the focus of Dr. Ester Hamatwi’s research.