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AEP

AEP. CenterPoint. TDSP AMS Data Practices Summary. TNMP. ONCOR. AMS Data Facts. 6. 1. 2. 3. 4. 5. All TDSPs are providing complete 96 interval values (no nulls).

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AEP

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  1. AEP CenterPoint TDSP AMS Data Practices Summary TNMP ONCOR 20130328 TDSPAMS Data Practices Summary v1.pptx

  2. AMS Data Facts 6 1 2 3 4 5 All TDSPs are providing complete 96 interval values (no nulls) TDSPs trigger the estimation process when there are missing interval values or if the interval value does not pass Validation, Estimation, Editing (VEE) Zero is a valid consumption interval value. All TDSPs allow and provide zeros in interval values TDSPs could receive actuals following an estimated interval value The estimation process may be triggered when there are missing register reads or if the register read does not pass VEE Policies – MVI, MVO, Smoothing, Cancel/Rebill, Tampering, IGL, REP of Record Changes 20130328 TDSPAMS Data Practices Summary v1.pptx

  3. AMS Data Facts 3 4 5 6 All TDSPs are providing complete 96 interval values 1 All TDSPs are providing complete 96 interval values 2 TDSPs trigger the estimation process when there are missing interval values or if the interval value does not pass VEE 1 Zero is a valid consumption interval value. All TDSPs allow and provide zeros in interval values TDSPs could receive actuals following an estimated interval value The estimation process may be triggered when there are missing register reads or if the register read does not pass VEE Policies – MVI, MVO, Smoothing, Cancel/Rebill, Tampering, IGL, REP of Record Changes 20130328 TDSPAMS Data Practices Summary v1.pptx

  4. 2 (When) All TDSPs estimate missing interval values, their methods and approach are documented here: AEP CenterPoint • Triggers the estimation process when there are missing interval values or if the interval value does not pass VEE • Triggers the estimation process when interval data is missing or has failed VEE processes • CNP’s automated systems will concurrently attempt to retreive actual or missing interval data through CNP’s Missing Interval Monitor (MIM) processes for 5 days • Triggers the estimation process when there are missing interval values or if the interval value does not pass VEE • Triggers the estimation process when there are missing interval values or if the interval value does not pass VEE ONCOR TNMP 20130328 TDSPAMS Data Practices Summary v1.pptx

  5. 2 (How) All TDSPs estimate missing intervals, their methods and approach are documented here : AEP CenterPoint • Utilizes unique process for partial days verses full days. ( See Matrix 2f) • Utilizes unique process for partial days verses full days. ( See Matrix 2f) ONCOR TNMP • interval values are shaped based on the most recent 14 like days of historical usage available . (See Matrix 2f) • Residential customers interval values are shaped based on ERCOT load profiles • Commercial interval values are shaped based on the most recent 3 like days of historical usage available for the premise 20130328 TDSPAMS Data Practices Summary v1.pptx

  6. AMS Data Facts 6 3 1 2 4 5 All TDSPs are providing complete 96 interval values TDSPs trigger the estimation process when there are missing interval values or if the interval value does not pass VEE Zero is a valid consumption interval value. All TDSPs allow and provide zeros in interval values TDSPs could receive actuals following an estimated interval value The estimation process may be triggered there are missing register reads or if the register read does not pass VEE Policies – MVI, MVO, Smoothing, Cancel/Rebill, Tampering, IGL, REP of Record Changes 20130328 TDSPAMS Data Practices Summary v1.pptx

  7. 3) Since zero is a valid consumption value, are there validations performed when identified? AEP CenterPoint • Not performing daily zero validations at this time • Following the UBP rule 1.6 (at billing only) Zero Consumption for active meters • Consecutive zero validation will flag intervals with a failure code and/or will flag ESID on a Validation Failure Report. • A manual review of the event log or CIS is done to determine if there is an associated power outage or an attributable event , if not a meter field investigation may be initiated. ONCOR TNMP • Performs data analysis checks for zero consumption after DNP or MVOs and initiates additional review where deemed appropriate • Not performing additional validations at this time 20130328 TDSPAMS Data Practices Summary v1.pptx

  8. AMS Data Facts All TDSPs are providing complete 96 interval values 4 1 2 3 5 6 TDSPs trigger the estimation process when there are missing interval values or if the interval value does not pass VEE Zero is a valid consumption interval value. All TDSPs allow and provide zeros in interval values TDSPs could receive actuals following an estimated interval values The estimation process may be triggered when there are missing register reads or if the register read does not pass VEE Policies – MVI, MVO, Smoothing, Cancel/Rebill, Tampering, IGL, REP of Record Changes 20130328 TDSPAMS Data Practices Summary v1.pptx

  9. 4) There are circumstances where TDSPs could receive actuals following an estimated interval value AEP CenterPoint • When Meter Data Management system experiences an issue. • When data originally failed validation usually within 3 days. • New date/time stamped LSE files will be posted. • CNP will continue to attempt to retrieve missing interval data for 5 days through an automated process, if updates are received then new date/time stamped LSE files will be posted. ONCOR TNMP • Oncor has plans to automate the process to check for missing actuals and send to SMT and ERCOT. • If an actual is received within 70 days of the read • New date/time stamped LSE files will be posted. 20130328 TDSPAMS Data Practices Summary v1.pptx

  10. AMS Data Facts 4 6 4 1 2 3 5 All TDSPs are providing complete 96 interval values TDSPs trigger the estimation process when there are missing interval values or if the interval value does not pass VEE Zero is a valid consumption interval value. All TDSPs allow and provide Zeros in interval values TDSPs could receive actuals following an estimated interval value The estimation process may be triggered when there are missing register reads or if the register read does not pass VEE Policies – MVI, MVO, Smoothing, Cancel/Rebill, Tampering, IGL, REP of Record Changes 20130328 TDSPAMS Data Practices Summary v1.pptx

  11. 5) TDSPs may estimate missing register reads, their methods and approach are documented here: AEP CenterPoint • Will not provide a register reading in the daily LSE file if the register reading has been estimated for more than (2) consecutive register readings. • If the ESI ID has more than (2) consecutive estimated register readings, the register read data element will contain “NULL” (same as blank) until an actual register reading can be retrieved from the meter. • When register read not received or fails VEE. • When register read not received or fails VEE. ONCOR TNMP • When register read not received or fails VEE. • If "96 good" interval values are obtained, MDM will calculate a missed register read. • Estimated register reads are provided when LSE correction files are sent 20130328 TDSPAMS Data Practices Summary v1.pptx

  12. AMS Data Facts 4 5 4 1 2 3 All TDSPs are providing complete 96 interval values 6 TDSPs trigger the estimation process when there are missing interval values or if the interval value does not pass VEE Zero is a valid consumption interval value. All TDSPs allow and provide Zeros in interval values TDSPs could receive actuals following an estimated interval value The estimation process may be triggered when there are missing register reads or if the register read does not pass VEE Policies – MVI, MVO, Smoothing, Cancel/Rebill, Tampering, IGL, REP of Record Changes 20130328 TDSPAMS Data Practices Summary v1.pptx

  13. For additional detail, please reference Matrix 20130328 TDSPAMS Data Practices Matrix.docx 20130328 TDSPAMS Data Practices Summary v1.pptx

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