NOTICE DATE: October 15, 2009 NOTICE TYPE: R-A101509-01 - Informational SHORT DESCRIPTION: Market implementation of PR 80027 - Advanced Metering - Interim Solution scheduled for the November 14 - 15, 2009 weekend. INTENDED AUDIENCE: TDSPs and LSEs DAY AFFECTED: November 14 - 15, 2009 LONG DESCRIPTION: PR 80027 - Advanced Metering - Interim Solution is scheduled for market implementation the weekend of November 14 - 15, 2009. The project includes the following functionality: * ERCOT will be able to receive and settle on AMS 15-minute Interval data provided by the TDSPs via an AMS LSE file. * AMS Interval Data LSE Activity Report will be created to communicate the success or failure of the AMS LSE files/transactions, posted to TML on a per file basis. * Two new supplemental extracts are being created. o Supplemental IDR Required Interval Extract o Supplemental AMS Interval Extract * Three new web services are being created to allow Market Participants to query for AMS data . o Provide AMS interval data for a trade date o Provide ESIIDs where AMS interval data not loaded for a trade data o Provide AMS interval data for ESIIDs I own ADDITIONAL INFORMATION: On Saturday, November 14 from 8:00AM to 8:00 PM, the following functions will be affected: * 814_20s (ESI ID Create/Maintain) will be held * All other services will be available There will be no outage or impact to any functions on Sunday, November 15. 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 e-mail at [log in to unmask]<blocked::mailto:[log in to unmask]>. JR/JA