The Brazilian company reported an 18% year-on-year jump in deregulated market electricity demand during the third quarter.
Works will complete a link between Villa La Angostura and Bariloche and the national grid.
Meanwhile, offers for round 2 of the country's RenovAr renewable energy auction are due on Thursday.
The island's governor has announced the first six public-private partnerships to modernize and diversify the island's energy infrastructure.
In this second part of a two-part interview, Fernando Flach, founding partner of Flach-Philippsen Associates, spoke to BNamericas about the Ouro Negro thermoelectric power plant, a 600MW coal-fired facility project that the company wants to take part in Brazil's next energy auction.