NOTICE DATE: May 25, 2012 NOTICE TYPE: M-F052512-01 NPRR SHORT DESCRIPTION: Implementation details of NPRR354 INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: June 28, 2012 LONG DESCRIPTION: On June 28, 2012, ERCOT will implement Nodal Protocol Revision Request (NPRR) 354, Revisions to Non-Spin Performance Criteria Language and Provision for ICCP Telemetry of Non-Spin Deployment, which was approved by the ERCOT Board on September 20, 2011. NPRR354 clarifies the performance criteria for Non-Spinning Reserve (Non-Spin) Service deployments, adds language for provision of a Non-Spin deployment flag to Qualified Scheduling Entities (QSEs) via Inter-Control Center Communications Protocol (ICCP), and adds a requirement for Extensible Markup Language (XML) notification to all QSEs when Non-Spin is deployed. ADDITIONAL INFORMATION: Pursuant to 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. NPRR354 and associated documents can be found on the ERCOT website, under Market Rules, at http://www.ercot.com/mktrules/issues/nprr/351-375/354/index. Information on upcoming releases can be found on the ERCOT Multi Year Project Priority List (PPL) at http://www.ercot.com/services/projects/. 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. dh