To grant NOGRR253 Urgent status; to recommend approval of NOGRR253 as submitted; and to forward to TAC NOGRR253 and the 5/3/23 Impact Analysis
May 3, 2023
2.3, 184.108.40.206, 220.127.116.11, 4.8.1, and 4.8.2
This Nodal Operating Guide Revision Request (NOGRR) aligns the Nodal Operating Guide language regarding ECRS and Non-Spin with the revisions proposed in NPRR1178, as well as the Protocol language approved in NPRR1096, Require Sustained Two-Hour Capability for ECRS and Four-Hour Capability for Non-Spin. This NOGRR also clarifies that ERCOT may manually deploy Load Resources other than Controllable Load Resources that are providing ECRS or Responsive Reserve (RRS) to maintain a minimum 500 MWs of Physical Responsive Capability (PRC) reserves on SCED-dispatachable Resources to continuously balance the Demand with supply while maintaining the stable grid frequency for smaller disturbances.