TIC-SA currently manufactures and sales power transformers at its plant in Contagem, Minas Gerais.
The facility has an annual capacity equivalent to amount 15GVA, and its output goes to the Brazilian market and the Americas.
Toshiba said that construction of the new plant, located around 25km west of Contagem city, began in May 2011.
The site is 146,000m² and the building has a floor area of 22,710m².
Toshiba has so far invested nearly JPY6.0bn ($58m) in plant and equipment.
