<p>➀ The Universität der Bundeswehr München developed RESAT, an interactive tool for analyzing and optimizing renewable energy systems to achieve cost-effective 100% energy autonomy; </p><p>➁ RESAT enables users to visualize configurations, compare technologies (e.g., photovoltaics vs. wind power), and assess impacts of storage systems and cost changes; </p><p>➂ The tool serves citizens, municipalities, businesses, and educators, with plans to expand to heat and other consumption areas in the future.</p>