- Transmission and distribution lines (km): 64,107.
- Transformers: 107,062.
- Substations: 134.
Special or large-load connections: these offer individual clients connection service to energy transport systems (NTS, RTS, and LDS).
PM has the ISO 90001:2000 Certification of Quality for the operation process of the National Transmission System (NTS), and the operational and maintenance infrastructure of substations and lines, installations, street lighting and Christmas decorative lighting.
Throughout the rest of Colombia, EPM reaches 340 municipalities in the Eje Cafetero (Coffee-Growers Axis) through its CHEC and EDEQ subsidiaries, and to the east of the country through power companies ESSA and CENS, each operating respectively in the departments of Santander and North Santander.
In total, EPM’s Colombian energy subsidiaries service more than 5,304,234 inhabitants outside Antioquia and have 2,569 employees that cover an area of 74,982 square kilometers.
In Central America, the EPM Group is the largest distributor of energy. Its subsidiaries have 940,000 clients in Guatemala, 320,000 clients in El Salvador, and 360,000 clients in Panama.