This Special Issue of Electrification Magazine on microgrid evolution covers several interesting topics written by leading experts on timely issues which include space microgrids; transforming a university building into a nanogrid; renewable energy integration in Canadian remote community microgrids; Kythnos microgrid – a 20 year history; an industrial park in China as a green microgrid; networked microgrid operations to support a resilient electric power infrastructure; blockchain for peer-to-peer transactive energy trading in networked microgrids; versatile microgrid management solution for electricity grid; new challenges in the design of microgrid systems: communication networks, cyberattacks, and resilience; and unmanned aerial vehicles in modern power systems.