The monograph analyzes the process of electrification of the Russian Far East from the end of the 19th to the middle of the 20th centuries. based on a wide range of sources. In the context of modernization transformations, structural changes and features of the functioning of the electric power industry were identified, its role in the technical equipment of industry, transport, housing and communal services and agriculture was determined. The provisions and conclusions complement scientific knowledge on the history of socio-economic development of the Far Eastern region of Russia. The monograph is intended for historians, local historians and a wide range of readers interested in the history of the Russian Far East.