Compañía de Electricidad de Tuluá S.A. E.S.P. (CETSA) is a Colombian electric utility company primarily engaged in the generation, distribution, transmission, and commercialization of electrical energy. Founded in 1918 and headquartered in Tuluá, Valle del Cauca, Colombia, the company operates as a subsidiary of Celsia Colombia S.A. E.S.P., an energy affiliate of the Grupo Argos conglomerate. Compañía de Electricidad de Tuluá provides utility services across regulated and non-regulated markets, catering to residential, commercial, industrial, and institutional customer segments in the central Valle del Cauca region, encompassing the municipalities of Tuluá, Bugalagrande, Andalucía, San Pedro, Riofrío, and Trujillo. The company offers a comprehensive portfolio of electricity and energy solutions, structured through: retail electric power commercialization; high, medium, and low-voltage power distribution; small-scale hydroelectric power generation via run-of-river plants located in the Tuluá river basin; distributed generation and behind-the-meter solar photovoltaic system development; municipal and highway public lighting management; electrical substation operation and maintenance; technical connection and transformer maintenance services; energy efficiency audits and technical consulting; and smart metering infrastructure deployment. In recent developments, the company has continued to advance its strategic alignment with Celsia’s renewable energy and operational modernization roadmap. Over the past two years, Compañía de Electricidad de Tuluá has expanded its distributed solar generation offerings for commercial and industrial clients, rolled out advanced metering infrastructure (AMI) to improve grid visibility and reduce non-technical losses, implemented substation automation and circuit telemetry upgrades across its concession territory, and strengthened its regional network resilience through capital investments aimed at supporting regional decarbonization and improving service continuity.