Study of the power interconnection between Côte d'Ivoire, Liberia, Sierra Leone and Guinea: Technical studies to verify the operation of the interconnected system and the power exchange possibilities, taking account of operational criteria each country and security of the system; Economic studies to determine the volumes of electricity exchanges in the short and long term and demonstrate the cost of interconnection; Transfer of technical and economic knowledge, through training sessions for staff of the counterparties. Recommendations for optimizing the project development and financial strategy. Preparation of tender documents