“South American countries are signing several bilateral and multilateral agreements for the exploration, exploitation, sale, and purchase of energy resources—an interesting trend toward a joint regional management of their energy resources. For example, Paraguay will shortly start selling electricity to Argentina and Uruguay. These two countries are signing an agreement to build a regasification plant with shared administration, which will provide power to both countries starting in 2013.

South America is exploring options for nuclear power cooperation and capacity to increase energy supply presently and in the future, though it is unlikely to be a major part of the regions energy portfolio.

FORO writes,

A series of bilateral and multilateral agreements among South American countries are increasingly intertwining energy resources and paving the way for increased regionalism.

FORO writes,

For example, Paraguay will shortly start selling electricity to Argentina and Uruguay. These two countries are signing an agreement to build a regasification plant with shared administration, which will provide power to both countries starting in 2013. Also, Peru, Ecuador, Colombia, and Chile plan to conduct studies in order to interconnect their electrical grids.

"Decentralized cooperation (DC) is emerging as an important cooperation mechanism for some donors, and refers to international cooperation initiatives between sub-national governments (SNG) through projects and technical cooperation. There are two current experiences: (1) From European Union SNGs to Latin America and Caribbean (LAC) SNGs; and (2) within MERCOSUR cities under the MERCOCIUDADES program.