Bids must be sent, together with a US$5K bid security, in sealed envelopes before 12pm local time on December 8
The second round attracted bids eight times greater than in the first round last year.
The winners in the process to supply over 400MW are scheduled to be announced in November.
According to treasury forecasts, winning bidders will pay some US$2.4bn for shares in the state-run power company's assets.
The Portezuelo del Viento hydroelectric dam is planned for Mendoza province.
Two solar parks and one wind farm are scheduled to enter service next year that will more than double current NCRE installed capacity.