Power generator also reports jump in spot market sales.
President Juan Manuel Santos will this week embark on a whistle-stop tour to seek support for his US$43bn post-conflict development program.
The company's project pipeline includes the 40MW Yumbo solar farm in Valle del Cauca department and the Nuestro Montería thermal-powered cooling system in Córdoba.
The International Energy Agency's US$35mn program will support clean energy transitions in major emerging economies.
The growth in electric energy consumption in the interconnected system (SIN) is now expected to be below 1% in 2017.