The rapid development of power industry in Iran, thought to create ministries for water supply and electricity required for the country's village resellers, system builders based in 22 March, 1342, the Ministry of water and electricity was established. In July 1344 the law of the development of the institutions of electrical, non-governmental, to pass both houses National Assembly and Senate (both Houses of the time) hit. Similarly, according to Article 2 of the law on the organization of power in Iran in the year 1346 to the Ministry of water and electricity were allowed to the country in terms of electricity supply without the requirement to follow the divisions of the country to the areas divided, and gradually relative to the establishment of companies, regional electric action.

in the year 1348 is also co-NRI with responsibility for the development of the mechanical production, transmission and wholesale of electricity was formed.

on 28 February, 1353, delegate comprehensive planning and coordinate the activity of energy at the level of the country to the Ministry of water and power this department to the Department of energy changed the name found, and in the same year and the following year changes in the statutes of the company, NRI was created. After the Iranian Revolution (1357) and with the terms of the new electricity industry, in terms of quantity and quality was created, the problem of changes in the structure of the electricity industry, the importance of Special found and finally, the company's NRI in October 1374 to the organization, management, production and transfer of electric power in Iran(tavanir) conversion, and the tasks and missions of the affairs of Electricity, Ministry of energy to the organization delegate, and the post of CEO of the organization to the affairs of electricity was given.

finally, in the meeting dated 27 December 1381 the board of Ministers upon the proposal of the Ministry of energy and the verification management organization and planning and the Ministry of Economic Affairs and finance in the structure of the company, NRI changes created and its statutes to the name of the company, specialized in the management of production, transmission and distribution of electric power in Iran (NRI) adopted.