A government-commissioned study in 2009 on the economic benefits of the Amaila hydropower project itself raised concerns that the hydrology of the falls could be a problem for year-round generation of power.
The study by Mercados Energeticos Consultores of Argentina also raised other troubling concerns because of its assumptions which observers say should have given rise to caution on the then existing model. The 2009 study was only afforded to the parliamentary parties in June this year amid the then mounting opposition to the project. It is not clear why the government
