This Nodal Protocol Revision Request (NPRR) establishes a process to set the MOC for RMR Units that is consistent with the adopted policy of ensuring that out-of-market units do not interfere with market outcomes. The proposed language provides ERCOT with a flexible process to set and update an MOC for RMR Units that allows Security-Constrained Economic Dispatch (SCED) to Dispatch RMR Units for congestion as far back in the Dispatch order as possible but often well below the Real-Time System-Wide Offer Cap (RTSWCAP). The expected values of the MOC for RMR Units, and any subsequent changes, will be communicated to Market Participants through a Market Notice.
This NPRR adopts language like that proposed in NPRR784, Mitigated Offer Caps for RMR Units, which was rejected by PRS at their July 14, 2016, meeting. If approved, this NPRR would take effect as soon as possible, with ERCOT potentially using a manual process to avoid a system implementation project. Its approach differs from NPRR826, Mitigated Offer Caps for RMR Resources, and is less precise in some respects. Once NPRR826 is implemented, this NPRR's method will be retired and its language removed concurrently.
