This study compares the electrical performance and economics of DC-coupled and AC-coupled community microgrid configurations through simulation and financial modeling of the Redwood Coast Airport Microgrid (RCAM), which integrates 2. Unified load flow. . For asset owners and EPCs, understanding these differences is critical to maximizing energy yield, reducing losses, and achieving the best ROI. This article explains the two architectures from five perspectives: energy flow, system architecture, efficiency mechanisms, EMS control, and application. . A French–Moroccan research group has developed a two-stage hierarchical techno-economic model to optimize AC multi-bus microgrids in remote areas. This microgrid configuration is more complex than that of standalone systems but offers several advantages in terms of cost efficiency and energy. . The goal of the DOE Energy Storage Program is to develop advanced energy storage technologies, systems and power conversion systems in collaboration with industry, academia, and government institutions that will increase the reliability, performance, and sustainability of electricity generation and. . LEMUR Research Group, Deprtment of Electrical, Electronic, Computers and Systems Engineering, University of Oviedo, 33204 Gijon, Spain Author to whom correspondence should be addressed. These authors contributed equally to this work. The difference between these three topologies is the number of AC-DC converters.