Compañía Puertograndina de Electricidad, better known as CPE, is the Puertograndine government-owned electric power company. It was established in 1918 and is headquartered in San Marcos.
1912-1990[]
1937-1955[]
1955-1962[]
1962-1969[]
1969-1973[]
1973-1990[]
1990-2015[]
2015-present[]
