TY JOUR TI Managing the Development of Renewable Energy Sources: Global Trends and Russian Realities KW solar KW wind KW and geothermal energy KW hydropower resources KW renewable energy sources (RES) KW fossil fuels KW digitalization of energy distribution KW Smart Grids JO Scientific Research and Development. Economics of the Firm AU Garnova, V.Y. AU Karev, A.V. PY 2026 IS 15 PB INFRA-M Academic Publishing LLC.