The film is dedicated to the electrification of the USSR. The photo. V. I. Lenin and the English writer H. Wells. Newsreel. December 1920. 8th Congress of Soviets, which adopted Lenin's plan for electrification. GM Krzhizhanovsky is speaking. Construction of hydroelectric power plants: Volkhovskaya, Kashirskaya, Shaturskaya, Dneprovskaya, Kuibyshevskaya, Nizhne-Siberian and others. In the film: engineer G.O. Graftio - the author of the electrification plan; Academician A. V. Winter - head of construction of the Dnieper hydroelectric power station; MI Kalinin, GK Ordzhonikidze at the opening of the Dneproges in October 1932; laboratories of academicians A.F. Ioffe, Egiazarov. Newsreel of the period of the Great Patriotic War and the post-war period. Destroyed factories, railway bridges, the blown up dam of the Dnieper. Restoration of the Dneproges. Types of rural power plants. Electricity is supplied to the village hut. Types of Siberia, taiga, Lake Baikal, the Angara River, Irkutsk hydroelectric power station. Construction of the Bratsk hydroelectric power station on the Angara River.