NOTICE DATE: June 16, 2015 NOTICE TYPE: M-A061615-01 NPRR SHORT DESCRIPTION: Implementation details of NPRR647 INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: June 25, 2015 LONG DESCRIPTION: On June 25, 2015, Nodal Protocol Revision Request (NPRR) 647, CRR Auction Shadow Price Transparency, will become effective. NPRR 647 was approved by the ERCOT Board on December 9, 2014. This NPRR requires ERCOT to post the Congestion Revenue Right (CRR) Auction Shadow Prices for individual Settlement Points to the Market Information System (MIS) Public Area. This additional information will be provided as part of the existing CRR Auction results postings listed below that are available on the MIS Public Area following each CRR Auction. Report Name EMIL ID Report ID CRR Annual Auction Results NP7-802-M 11203 CRR Monthly Auction Results NP7-803-M 11201 This NPRR will only be effective for CRR Auction results posted after June 25, 2015. ADDITIONAL INFORMATION: NPRR647<http://www.ercot.com/mktrules/issues/NPRR647> 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