The concessionaires of the GSP pipeline project, including scandal-plagued Odebrecht, missed a contract deadline to secure financing.
The state-run utility has hired the consultancy arm of Banco do Brasil to help transfer assets to parent company Eletrobras.
The investment includes major projects such as Mexico City's new international airport and the Mexico-Toluca interurban passenger train.
Metroagua's contract to provide water and sewerage services in Santa Marta expires in April and the city government has said will not be renewed.
Based on potential irregularities, the audit court's decision came after some four months of deliberation and affects highway concessionaire Concer.
The largest project is the US$1.4bn Veracruz port expansion.