Most of the energy produced by the AEE is generated in four main power stations: Costa Sur, Complejo Aguirre, San Juan and Palo Seco. The installed capacity is 5,839 MW. 69 percent of production is from fuel.
The transmission system consists of 2,478 miles of 230KV, 115KV transmission lines and 38KV subtransmission lines. It has 48 transmission centers.
The distribution lines total around 31,446 air miles and 1,723 underground miles. Part of this system is made up of 293 substations and 27 technical offices.