***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. ***** NOTICE DATE: October 22, 2018 NOTICE TYPE: M-B101218-02 NPRR SHORT DESCRIPTION: Additional Implementation Details of NPRR864 INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: October 26, 2018 LONG DESCRIPTION: With the implementation of Nodal Protocol Revision Request (NPRR) 864, RUC Modifications to Consider Market-Based Solutions, the factor used to scale down commitment cost, as described in the previous Market Notice, will be set to 20%. CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at [log in to unmask]<mailto:[log in to unmask]>. If you are receiving email from a public ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com. sa ________________________________________________________________ NOTICE DATE: October 12, 2018 NOTICE TYPE: M-B101218-01 NPRR SHORT DESCRIPTION: Implementation Details of NPRR864 INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: October 26, 2018 LONG DESCRIPTION: On October 25, 2018, Nodal Protocol Revision Request (NPRR) 864, RUC Modifications to Consider Market-Based Solutions, will be implemented. This NPRR modifies the Reliability Unit Commitment (RUC) engine to use scaled down commitment costs (Startup Cost and minimum energy cost) for available Off-Line Resources that have a cold start time of one hour or less. Additionally, two new reports will be delivered with this NPRR: Hourly RUC Online In SCED Offline In COP Report Report ID: 15753 EMIL ID: NP3-764-CD Data Classification: Public MIS posting location: Grid > Forecasts > Short-Term System Adequacy QSE Fast-Start Resources RUC Performance Report ID: 15765 EMIL ID: NP8-570-EX Data Classification: Secure MIS posting location: Reports > Compliance and Disclosure > Compliance Reports - QSE ADDITIONAL INFORMATION: Pursuant to Nodal Protocol Section 21.6, Nodal Protocol Revision Implementation, ERCOT is required to provide notice as soon as practicable, but no later than ten days prior to implementation. NPRR864<http://www.ercot.com/mktrules/issues/NPRR864> and associated documents can be found on the ERCOT website. CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at [log in to unmask]<mailto:[log in to unmask]>. If you are receiving email from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com. sa/mm