<p>➀ The Fraunhofer IWES, UPC, eRoots Analytics, HAW Hamburg, and University of Malta have started the TenSyGrid project to develop a toolbox for evaluating the stability of power grids with high renewable energy content.</p><p>➁ The project aims to support grid operators in managing large-scale power grids fully powered by renewable energy.</p><p>➂ The toolbox will be compatible with existing commercial software packages and will use multilinear models to simulate power grid components.</p>