[1][2] The power station has a 1,676 megawatts (2,248,000 hp) capacity and is supplied with water by a concrete face rock-fill embankment dam.

As their main power plant, it is owned and operated by Copel who renamed it after Bento Munhoz da Rocha Netto, governor of Paraná between 1951 and 1955.

[3] In May 1973, Copel was awarded the concession contract to construct the dam and by May 1974, various studies had recommended a site near the confluence of the Inguazu and Da Areia Rivers.

By August of that year, a design was chosen and in October 1976 after contracts were awarded, construction began.

The techniques to construction the dam were instrumental and an advancement as 50,000 cubic metres (1,800,000 cu ft) of fill was placed each month for two years in a row.