To the history of development of energy resources of the Yenisey river

In the study the first investigation phases and studying of energy re-sources of the river basin of the Yenisei are considered. The measures for the development of hydropower development plans for the Angara-Yenisei Re-gion in 1920-ies and 1930-ies are shown. Key provisions of the hypothesis of Professor V.M. Malyshev which received practical realization in the second half of the XX century at construction of hydroelectric power stations on the Angara are revealed. Unique and little-known documents testify that even then researchers have seen the prospect of using energy resources of the An-gara and Yenisei in a uniform territorial and industrial complex. The exist-ence of the problem of the development of hydroenergy resources of Siberia consisting in the definition of precedence of construction of hydrostations on the Angara or Yenisei and its inflows is established. Essential moments and dialectics of development of working hypothesis in the Yenisei are general-ized...