The company posted higher revenues and had lower debt service costs in the period.
The launch takes place one day before the official start of the presidential campaigns ahead of the October 7 elections..
A consortium of Uruguayan, Spanish and French firms allege that its score in the evaluation process should have been higher. The process has already been stalled after to a challenge by competitor Acciona.
Spanish banking giant BBVA said it has "expressed its willingness to negotiate with the Bolivian government to produce a smooth and orderly transfer with the regulator and the authorities."
The Brazilian development bank saw large H1 gains from the sale of shares in certain companies and improved loan book quality allowed it to reduce loan loss provisions.