The government was expecting to raise around US$20bn from privatizations, but that amount is likely to rise 50%, according to an official.
Peru's largest construction firm Graña y Montero is trying to shake off its legal and financial problems by raising much-needed funds from a private placement.
The country's constituional court could declare that a provision of the regulation that sets compensation for contracts that are terminated early is unenforceable.
The forecast was reduced due to lost momentum in Argentina's ambitious plans for public-private partnerships.
Talks on the privatization of Brazil's largest water utility will only be held after the approval of a bill being discussed in congress to change the framework of water and sanitation companies, said state finance secretary Henrique Meirelles.
The audit court's pre-approval of the rail concession in São Paulo state makes a US$1.8bn investment more likely.
Only one of the original bidders didn't pass the technical evaluation.