CUPET (Unión Cuba-Petróleo) is the state-owned oil firm and Cuba's largest oil company. Other companies operating in Cuba's energy sector include Energas, Inter RAO, Zerus, Havana Energy, and Siemens. As of March 2016, CUPET employed 24,000 Cubans. In 2020 . On Saturday, Cuba initiated the installation of solar energy storage batteries at four electrical substations, marking a significant step in addressing its energy challenges. These Battery Energy Storage Systems (BESS), also referred to as "concentrator units," are being placed at Cueto 220, Bayamo. On Friday, Cuban President Miguel Diaz-Canel presented an update on the actions undertaken to resolve the energy deficit prompted by the U. During the first two months of the year, Cuba exceeded its production targets for oil and associated gas, reversing a trend observed in 2025. 1% of electricity generated in Cuba came from non renewable resources and the remaining 4. 6%. The Cabaiguán photovoltaic park, with a capacity of 21. We are talking about the Escuela de Enfermería project in Havana and Alcalde Mayor SPP in Cienfuegos province in the central part of. CasaCuba, the Cuban Research Institute (CRI), and the Kimberly Green Latin American and Caribbean Center (LACC) at Florida International University (FIU) are proud to continue the publication of Briefings on Cuba. The purpose of this series is to provide up-to-date analyses of Cuban politics.