Camarines Sur III Electric Cooperative, Inc. (CASURECO III) has been in operation for more than four (4) decades as a service-oriented electric cooperative since its organization on December 2, 1975. It is situated at Region V, Province of Camarines Sur with business address at San Isidro, Iriga City oftentimes called as the “City of Springs” due to its abundance in freshwater springs and the implementation of the “City of Character” thru the Local Government Unit (LGU). The 5th Congressional District of Camarines Sur known as Rinconada Area composed of Iriga City, Nabua, Buhi, Baao, Bula, Bato and Balatan..