2012 – Unasur a space that consolidates integration: background, institutional framework of the energy sector. Description of Unasur’s energy sector: current situation of crude oil, natural gas, mineral coal, nuclear energy and renewable energy sources. Final thoughts. Relevant aspects 2010: institutional, hydrocarbons, electricity, renewable sources, energy efficiency, natural phenomena, climate change, energy and the environment. Legislation, regulation and energy policy 2010: electricity, hydrocarbons, renewable sources, energy and environment, international agreements.