MARS Taskforce RMS Update October 13, 2010

Definitions AMC – AMDG – Estimated – AMS (IDR) meter type settled using the 15-Minute LSE data received from TDSP AMDG – 15 Minute LSE data containing both generation and load values , also profile included DG with AMS (IDR) meter type AMS data included Distributive Renewable Generation  Estimated – ERCOT estimated data because profile showed AMS (IDR) meter type, however the 15-minute LSE data wasn’t available in ERCOT’s Settlement system at the time the ESI ID was being processed for Settlement .   

Initial Settlement As of October 5, 2010 Operating Date: September 27, 2010 AMC ESI ID Totals: 1,522,381 AMDG ESI ID Totals: 229 Estimated ESI ID Totals: 11,051

Final Settlement As of October 5, 2010 Operating Date: August 9, 2010 AMC ESI ID Totals: 1,282,123 AMDG ESI ID Totals: 183 Estimated ESI ID Totals: 1,764

True-Up Settlement As of October 5, 2010 Operating Date: April 8, 2010 AMC ESI ID Totals: 721,360 AMDG ESI ID Totals: 84 Estimated ESI ID Totals: 2,100

AMS Meter Installation Status Report Oncor (approximately): Installed: 1,343,458 as of 9.30.2010 Deployment Plan: 2010 – 929,000 meters 2011 – 902,000 meters 2012 – 902,000 meters

AMS Meter Installation Status Report CNP (approximately): Installed: 661,238 as of 9.30.2010 Deployment Plan, includes projected growth: 2010 – 756,684 meters 2011 –   960,327 meters 2012 –   373,423 meters

AMS Meter Installation Status Report AEP (approximately): Installed: 115,053 as of 9.29.2010 Deployment Plan schedule: 2010 – 188,212 meters 2011 –   251,571 meters 2012 –   279,329 meters 2013 – 278,280 meters

Market AMS Installed Totals 2,119,749

PUCT Project 34610 Advanced Metering Implementation Team (AMIT) Documentation & Meeting Schedules can be found on: Public Utility Commission of Texas Project 34610 Website: http://www.puc.state.tx.us/electric/projects/34610/34610.cfm

September AMIT Deep Dive Meetings Deep Dive into Roadmap and Strategic Re-alignment completed in September ALL AMIT PROJECTS: Project 1 - Interim Project Project 2 – Smart Meter Texas Web Portal Project 3 - ERCOT “Interim” Settlement Solution Project 4 – Home Area Network (HAN) Project 5 - Retail Market Interface Project 6 – Education Project 8 – “Long Term” Settlement Solution

Deep Dive Results Deep Dive into Roadmap and Strategic Re-alignment completed in September ALL AMIT PROJECTS:

Advanced Metering Implementation Team (AMIT) October 26-27th (F2F) Tue: 9:30-5:30 Wed: 9:30-5:30 Location: Public Utility Commission, CHR, 7th Floor, {1701 N. Congress Ave, Austin, TX 78701} Free Real-Time Video of Meetings available at: http://www.texasadmin.com/puct.shtml

Advanced Metering Implementation Team (AMIT) November 2nd (F2F) Tue: 9:30-5:30         Location: Public Utility Commission, CHR, 7th Floor, {1701 N. Congress Ave, Austin, TX 78701} 16-17th (F2F) Tue: 9:30-5:30 Wed: 9:30-5:30 Free Real-Time Video of November Meetings available at: http://www.texasadmin.com/puct.shtml

Advanced Metering Implementation Team (AMIT) December 7th (F2F) Tue: 9:30-5:30         Location: Public Utility Commission, CHR, 7th Floor, {1701 N. Congress Ave, Austin, TX 78701} Free Real-Time Video of December Meeting available at: http://www.texasadmin.com/puct.shtml

Questions?