Colombian generator Empresa de Energía del Pacífico (EPSA) is engaged in the generation, distribution and transmission of electric power. The company has 16 hydropower plants in the country's Valle del Cauca, Cauca and Tolima departments. In addition, it has 79 substations, more than 20,000km of distribution lines and 274km of transmission lines serving 580,000 customers in 39 municipalities in Valle and one in Choco department. Founded in 1995 and based in Cali, EPSA is controlled by Colombian power company Celsia, part of Colombia's Grupo Argos. Colombia's government awarded EPSA six projects as part of its plan to strengthen the electric energy sector in the country's Caribbean region (Plan 5 Caribe). These are: construction of the 110kW Caracolí substation in Atlántico department; construction of the 110kW Norte substation and expansion of Nueva Barranquilla substation, also in Atlántico; construction of the 110kW Nueva Montería substation in Córdoba department, begun in February 2017; construction of Bolívar and Manzanillo substations and 30km network in Bolívar department; expansion of Cuestecitas substation and upgrades to Riohacha and Maicao substations in La Guajira department, already in operation; and expansion of Valledupar substation in César department, also in operation.