Industry association says simpler administrative processes could free US$5bn in investment.
The payments, made between 2006 and 2014, were tied to political campaigns and construction projects.
Development of Peru's flagship natural gas transport project was recently pushed back after the concessionaire failed to secure financing.
The ongoing Odebrecht corruption scandal is dragging more current and former government officials into the investigation.
Mexico's energy ministry and science and technology council select training initiatives that will receive funding as part of efforts to strengthen education in the area of energy.