The system is part of a project that includes four energy storage facilities in the country, with a total capacity of 200 megawatts (MW), primarily aimed at stabilizing the electrical grid and reducing the so-called automatic frequency trips in the National Electrical System (SEN) . The system is part of a project that includes four energy storage facilities in the country, with a total capacity of 200 megawatts (MW), primarily aimed at stabilizing the electrical grid and reducing the so-called automatic frequency trips in the National Electrical System (SEN) . We specialize in large-scale energy storage systems, mobile power stations, distributed generation, microgrids, containerized energy storage, photovoltaic projects, photovoltaic products, solar industry solutions, photovoltaic inverters, energy storage systems, and storage batteries. As Cuba accelerates its renewable energy transition, Havana has become a focal point for innovative energy storage solutions. This article explores existing power storage facilities, emerging technologies, and how they're reshaping the city's energy landscape. The system is part of a project that includes four energy storage facilities in the country, with a. The Electric Union (UNE) commenced testing this Saturday of its inaugural energy storage system, utilizing batteries installed at the Cotorro municipality's electrical substation in Havana.