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Transition of ESI IDs from Oncor to AEP Texas Workshop II

Transition of ESI IDs from Oncor to AEP Texas Workshop II. July 23, 2019. Regulatory Approval Status. The official Regulatory approval timeline & close date of the joint STM application is still unknown at this time.

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Transition of ESI IDs from Oncor to AEP Texas Workshop II

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  1. Transition of ESI IDs from Oncor to AEP TexasWorkshop II July 23, 2019

  2. Regulatory Approval Status The official Regulatory approval timeline & close date of the joint STM application is still unknown at this time. For purposes of this Workshop, the timelines and transition activities will be based on a hypothetical October 1, 2019 initial transition date. Dates may adjust if the PUCT approves a final order after September 12, 2019, the first scheduled open meeting date in September.

  3. Premise/ESI ID Creation Status As of July 10th… • AEP Texas posted the ESI ID Cross Reference List to the July 23rd Transition Workshop II Key Documents. (http://ercot.com/content/wcm/key_documents_lists/183469/ESIID_Cross_Reference_List_7-9-2019.xlsx) • AEP Texas issued a market notice with details related to and referencing the posted ESI ID Cross Reference List. • Oncor sent REP-specific cross reference list to individual REPs serving customers in Oncor’s Mission-McAllen area who are impacted by the transition. Note: AEPTX suppressed all 814_20 ‘ESIID Create’ transactions to reduce confusion in the market. 814_20s will be sent to market when appropriate.

  4. Corresponding Rate Codes

  5. Transition Timelines • Impacted ESI IDs will be transitioned on their regularly scheduled Oncor cycle dates. • ERCOT will provide each REP cross reference lists of ESI IDs for which they are the REP of Record (ROR) seven (7) calendar days prior to the scheduled transition date. • DNP activity should be suspended for transitioning ESI IDs five (5) days immediately preceding the scheduled transition dates. • “True” Switch requests should be submitted to Oncor three (3) business days prior to scheduled transition dates. • Oncor and AEP Texas request that REPs submit MVOs & MVIs at least two (2) business days prior to the scheduled transition dates.

  6. Transition Calendar Tentative calendar for 10/1, 10/11, 10/23 transition dates:

  7. AEP TX & Oncor Cycle Dates- Oct 2019 - The highlighted Transition Dates begin on October 1, 2019. Oncor cycles 5, 12, 20. AEPTX cycles 3, 11, 19. Dates may adjust if the PUCT approves a different transition date.

  8. ESI ID Transition Notes Move Ins & Move Outs • ESI IDs are scheduled to transition on their regularly scheduled Oncor cycle dates. • MVOs must be sent to Oncor 2 business days prior to the cycle date with a requested date of the cycle date. • For transitioning ESI IDs, REPs must submit MVOs coded “B44” to avoid de-energization of premise. • For “true” MVOs, do not send “B44” code. • MVIs must be sent to AEP Texas 2 business days prior to the cycle date with a requested date of the cycle date. • For transitioning ESI IDs, AEP will energize all transition MVIs received. • For “true” MVIs, REPs should coordinate with their AEPTX Account Manager to ensure proper handling. • AEP Texas will waive MVI fees for ESI IDs associated with the transition.

  9. ESI ID Transition Notes (con’t) DNP Moratorium • AEP Texas & Oncor recommend suspension of DNPs 5 days immediately preceding the scheduled transition date. Switch Moratorium • For ‘true’ Switches, the last switch date is 3 business days prior to the scheduled transition cycle date. Historical Usage • Historical Usage requested to be facilitated via AEP Texas’ REPDesk and/or Usage Hub. • 814_26 Ad-Hoc Historical Usage requests will not be supported at the time of transition. Load Profiles • Load Profiles will transfer from Oncor to AEP Texas as-is.

  10. ESI ID Transition Notes (con’t) Critical Care, Chronic Condition, Critical Load • Critical Care, Chronic Condition, & Critical Load designations will be transferred from Oncor to AEP Texas as-is and will be reinstated upon transition. Switch Holds • Switch holds will not be transferred from Oncor to AEP Texas. • REPs can reinstate Deferred Payment Plan (DPP) switch holds with AEP Texas after the transition using the 650_01 Switch Hold process. Substation Codes • AEP Texas will populate Substation Codes for ESI IDs included in the transition to aid REPs in identifying ESI IDs included in the transition.

  11. Contacts for AEPTX-Oncor ESI ID Transition ERCOT David Michelsen (512) 248-6740 David.Michelsen@ercot.com PUCT Cliff Crouch (512) 936-7296 Cliff.Crouch@puc.texas.gov Oncor Chris Rowley (214) 486-3432 Chris.Rowley@oncor.com AEP Texas Jim Lee (512) 391-2972 jclee@aep.com

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