The Energy Charter has been considered as the first and most important international treaty to regulate international energy laws and regulations. Considering that Iran is one of the most important and influential countries in the world in the field of energy production and transit, the necessity of examining the different aspects of this document is not hidden to anyone. The treaty covers four main issues: the promotion of investment in energy by foreign sources based on the privileges granted to domestic investors or the privileges mentioned in the most favored nation, energy free trade in accordance with WTO rules, freedom of energy transit through pipelines and power transmission networks, and establish a special mechanism for resolving disputes between countries or countries and investors. Regarding the issues raised in the Energy Charter, the issue of energy transit is one of the most important chapters of this Charter. This article, while explaining the legal nature of electricity as one of the pillars of energy, explains the legal, political, technical and economic requirements of the Islamic Republic of Iran in the foreign trade sector of electricity in order to annex to the Charter. Considering that Iran's neighboring countries have a great need to supply their electricity, we will finally see that paying close attention to the precise policy in the field of electricity transit is essential for Iran.