00537nam 2200169z- 450 9910712461303321(CKB)5470000002493528(EXLCZ)99547000000249352820230509c2019uuuu -u- -engPower system transformation: utility perspectiveNational Renewable Energy LaboratoryGolden, ColoradoPower system transformationBOOK9910712461303321Power system transformation: utility perspective3293652UNINA