TY JOUR TI CIRCULATION OF "GREEN" ENERGY KW «green» electricity KW «green» energy conversion KW I-REC certificates JO Modern Technologies and Scientific and Technological Progress AU Konovalov, Y.V. AU Gusev, I.G. AU Shitenkov, G.A. AU Terekhova, A.A. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»