Docket No. 5157 - The Narragansett Electric Co. d/b /a National Grid - Annual Electric Revenue Decoupling Mechanism (RDM) Reconciliation Filing (5/14/21) Docket: Closed. National Grid's Annual Revenue Decoupling Mechanism (RDM) Reconciliation Filing National Grid's response to PUC Data Request 1 Division of Public Utilities' Position Memorandum Order 24085 approving National Grid's Revenue Decoupling Mechanism Reconciliation and Factor for effect July 1, 2021 . Order issued 7/14/21.