TY JOUR TI Mechanism for regional energy security ensuring based on the implementation of renewable energy projects and a comprehensive assessment of their effectiveness KW regional economy KW renewable energy sources (RES) KW energy infrastructure KW technological sovereignty KW energy security KW modernization of fixed assets KW generation diversification KW investment potential of regions JO Russian Journal of Management AU Rodionov, A.V. AU Minigulov, A.R. PY 2025 IS 13 PB Publishing Center RIOR