CETSA S.A. (Corporación de Energía y Telecomunicaciones) is a Costa Rican company with over 25 years of experience providing high-quality electrical test equipment and advanced power quality solutions. We represent leading global manufacturers and specialize in reliable, high-performance devices for testing transformers, cables, circuit breakers, protective relays, and other critical assets in substations and industrial grids.
Our team of experts supports clients with energy audits, harmonic studies, power quality analysis, and compliance with international standards such as IEC, IEEE, and ISO 50001. Backed by deep technical knowledge and long-standing partnerships, CETSA is a trusted advisor to utilities, industrial clients, and engineering professionals throughout the Central American region.