Chile, Argentina, Brazil and Colombia are also markets to watch, according to the newly published BNamericas Electric Power Outlook report.
Interested buyers qualified in the previous phase will receive access to a virtual data room containing more information about the areas
The watchdog had already rejected the environmental impact evaluations presented by the firm on four occasions.
Mexican energy minister Rocío Nahle said that the government would "wait" with onshore and unconventional rounds 3.2 and 3.3.
Cade believes the sale is pro-competition and will not have significant effects on the fuel distribution and resale market.
The timing for resuming full production at the world's largest alumina refinery remains uncertain after floodings in February, the company told BNamericas.