This course covers the construction of energy infrastructure, covering the technical phases of design, construction, operation and maintenance. It analyzes the technical object and the contracting parties of each phase of the implementation of an energy infrastructure (owner, project manager, construction manager, designer, contractor, subcontractor, supplier, etc.). It is also analyzing the design contracts, project management agreement, construction contract, etc., with an emphasis on the concession agreement for the design, financing, construction and operation of a concession agreement.