This article describes main approaches in stakeholder inters co-ordination in the electric power industry. The article reveals the nature of the relationship between the level of implementation of Smart Grid concept and stakeholders management approach. Based on identified relationship key success factors of Smart Grid concept implementation were determined. Based on analysis stakeholders Co-ordination mechanism was proposed, which allows to develop appropriate strategies within the desired level of Smart Grid concept implementation. Analysis of the available literature shows that there is a possibility of developing the theory of stakeholders through approaches in network theory. As the main result of the study can be considered a better understanding of the nature of the interaction between the focal organization and stakeholders for creation mechanisms of balance of interests between stakeholders and the focal organization.