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Supporting materials for RMS

Provided by Retail Customer Choice (RCC) team

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Pro-Active Transaction Resolution Measures

867s Received on Cancelled Service Orders

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SituationERCOT periodically receives 867_03 Finals and 867_04s for service orders that are Cancelled in ERCOT systems. The Service Order Sub-Statuses that are considered Cancelled are: CR Requested, Customer Objection, ERCOT Operating Rule, Manual, Permit Not Received, with Exception, Unexecutable and Rejected by TDSP. This can indicate an out-of-sync condition between the TDSP and ERCOT.

Mechanism for Handling 867 RCSO:Step 1: ERCOT produces 867RCSO data each Friday and submits a report file to each TDSP

and CR via the ERCOT PortalStep 2: The TDSPs review the report line items and take one of the following actions:

a) If the TDSP has cancelled the service order, no further action is requiredb) If the TDSP has completed the service order, they will initiate a day-to-day FasTrak issue and work with ERCOT to get ERCOT systems changed to complete. Completion of cancelled service orders will require the approval of the CR initiating the transaction.

(Note: For Cancel by Customer Objection, the TDSP will honor the cancel in their systems)

867s received on Cancelled Service Orders

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867s received on Cancelled Service Orders

Cancel Type Total May '06 Apr '06 Mar '06 Feb '06 Jan '06CR Requested 11 3 2 1 1 4Customer Objection 1 0 0 0 0 1ERCOT Operation Rule 2,905 346 580 640 702 637Manual 17 2 2 2 1 10Permit not received 8 1 2 2 2 1Rejected by TDSP 124 22 17 21 34 30Unexecutable 49 10 8 4 9 18W/Exception 26 0 0 1 24 1

Grand Total 5,344 384 2,814 671 773 702

TDSP Total May '06 Apr '06 Mar '06 Feb '06 Jan '06AEP 1,006 120 468 78 177 163CenterPoint 22 5 11 0 1 5TXU ED 2,965 259 988 591 594 533Sharyland 1 0 0 1 0 0TNMP 11 0 8 1 1 1Nueces 0 0 0 0 0 0WTU-TDSP 0 0 0 0 0 0Grand Total 5,344 384 2,814 671 773 702

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FasTrak Issue Status

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‘Day to Day’ FasTrak Issue Stats by Category (thru 05/31/06)

Legend:

Counts are of issues submitted during each month.

EI = ERCOT Initiated Issue

Non-ERCOT issue = Issues logged directly between the CR and TDSP with no ERCOT involvement to resolve.

Category of “All Other” does not have subtype. Issues logged as “All Other” can include Transaction Issues, Rep of Record Issues, Service Order Changes, etc.

Issue Type Issue Category Issue Sub Category Jan-06 Feb-06 Mar-06 Apr-06 May-06 Grand TotalDay to day Issue Cancellations - Other 1 1 2 4

- Requested by CR 1078 1030 1404 1294 1434 6240- Requested by TDSP 46 26 34 39 17 162

Inadvertent switches - Drop to Arep 2 2- Submitted by Inadvertent REP 49 73 66 82 72 342- Submitted by Losing REP 55 45 48 69 31 248

All Other NULL 250 204 260 175 195 1084Day to day Issue Total 1479 1379 1814 1661 1749 8082

EI Issue All Other NULL 49 7 6 9 14 85EI Issue Total 49 7 6 9 14 85

Non ERCOT Issue Cancellations - Requested by CR 5 3 5 7 15 35Inadvertent switches - Drop to Arep 3 7 4 7 3 24

- Submitted by Inadvertent REP 789 921 828 749 877 4164- Submitted by Losing REP 648 447 566 465 487 2613

All Other NULL 824 636 670 555 617 3302Non ERCOT Issue Total 2269 2014 2073 1783 1999 10138

Grand Total 3797 3400 3893 3453 3762 18305

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‘Day to Day’ FasTrak Issue Stats by Category (thru 05/31/2006)

• Of the 404 In Progress D2D Issues, 251 are resolved and awaiting other party resolution check off

• Total D2D Issue ESI IDs worked to date since January 1, 2006 = 22,165

Issue Type Issue Category Issue Sub Category In Progress New Grand TotalDay to day Issue Cancellations - Requested by CR 307 307

- Requested by TDSP 1 1Inadvertent switches - Submitted by Inadvertent REP 13 13

- Submitted by Losing REP 4 4All Other NULL 71 8 79

Day to day Issue Total 396 8 404EI Issue All Other NULL 14 6 20

EI Issue Total 14 6 20Non ERCOT Issue Cancellations - Requested by CR 7 7

Inadvertent switches - Drop to Arep 14 14- Submitted by Inadvertent REP 1143 1143- Submitted by Losing REP 880 880

All Other NULL 287 63 350Non ERCOT Issue Total 2331 63 2394

Grand Total 2741 77 2818

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‘Day to Day’ FasTrak Issue Stats by Category (thru 05/31/2006)

Issue Type Rejected Resolved Grand TotalDay to day Issue 746 6932 7678EI Issue 4 61 65Non ERCOT Issue 788 6956 7744Grand Total 1538 13949 15487

Issue Type Issue Category Issue Sub Category Rejected Resolved Grand TotalDay to day Issue Cancellations - Other 2 2 4

- Requested by CR 252 5681 5933- Requested by TDSP 7 154 161

Inadvertent switches - Drop to Arep 2 2- Submitted by Inadvertent REP 180 149 329- Submitted by Losing REP 178 66 244

All Other NULL 125 880 1005Day to day Issue Total 746 6932 7678

EI Issue All Other NULL 4 61 65EI Issue Total 4 61 65

Non ERCOT Issue Cancellations - Requested by CR 1 27 28Inadvertent switches - Drop to Arep 1 9 10

- Submitted by Inadvertent REP 235 2786 3021- Submitted by Losing REP 461 1272 1733

All Other NULL 90 2862 2952Non ERCOT Issue Total 788 6956 7744

Grand Total 1538 13949 15487

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DEV FasTrak Issue Stats by Issue Type (thru 05/31/2006)

Legend:Counts are of issues submitted during each month.

Issue Type Jan-06 Feb-06 Mar-06 Apr-06 May-06 Grand TotalDEV - Service History 96 259 88 102 100 645DEV - Usage IDR 1 1DEV - Usage NIDR 2 1 1 1 5NonERCOT DEV - Service History 14 42 38 18 56 168NonERCOT DEV - Usage IDR 32 34 35 18 50 169NonERCOT DEV - Usage NIDR 33 51 19 11 31 145

Grand Total 178 387 181 149 238 1133

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DEV FasTrak Issue Stats by Issue Category (thru 05/31/2006)

• Of the 243 In Progress DEV Issues, 66 are resolved and awaiting other party resolution check off

Issue Sub Category In Progress New Grand TotalLSE relationship record present in ERCOT system but not in MP system - ERCOT 20 20LSE relationship record present in MP system but not in ERCOT system - ERCOT 39 39LSE relationship records present in both systems but has date issues - ERCOT 59 59

DEV - Service History Total 118 118ESI ID present in MP system but not in ERCOT system - Non ERCOT 2 2Loss Code Assignment - Non ERCOT 4 4LSE relationship record present in ERCOT system but not in MP system - Non ERCOT 2 2LSE relationship records present in both systems but has date issues - Non ERCOT 1 1Profile Code Assignment - Non ERCOT 21 1 22Station Code Assignment - Non ERCOT 10 10ZIP Assignment - Non ERCOT 16 16

NonERCOT DEV - Service History Total 53 4 57IDR Usage present in both systems but has date issues - Non ERCOT 1 1 2IDR Usage present in both systems but has kWh issues - Non ERCOT 10 1 11IDR Usage present in CR system but not in ERCOT system - Non ERCOT 3 5 8IDR Usage present in ERCOT system but not in MP system - Non ERCOT 8 2 10

NonERCOT DEV - Usage IDR Total 22 9 31Non-IDR Usage present in both systems but has date issues - Non ERCOT 2 1 3Non-IDR Usage present in both systems but has kWh or kW total issues - Non ERCOT 4 4 8Non-IDR Usage present in CR system but not in ERCOT system - Non ERCOT 8 5 13Non-IDR Usage present in ERCOT system but not in MP system - Non ERCOT 9 4 13

NonERCOT DEV - Usage NIDR Total 23 14 37Grand Total 216 27 243

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DEV FasTrak Issue Stats by Issue Type (thru 05/31/2006)

Issue Type Rejected Resolved Grand TotalDEV - Service History 275 252 527DEV - Usage IDR 1 1DEV - Usage NIDR 4 1 5NonERCOT DEV - Service History 11 100 111NonERCOT DEV - Usage IDR 22 116 138NonERCOT DEV - Usage NIDR 9 99 108

Grand Total 322 568 890

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DEV FasTrak Issue Stats by Issue Category (thru 05/31/2006)

Issue Type Issue Sub Category Rejected Resolved Grand TotalDEV - Service History ESI ID present in ERCOT system but not in MP system - ERCOT 3 3

ESI ID present in MP system but not in ERCOT system - ERCOT 14 14LSE relationship record present in ERCOT system but not in MP system - ERCOT 14 53 67LSE relationship record present in MP system but not in ERCOT system - ERCOT 62 65 127LSE relationship records present in both systems but has date issues - ERCOT 178 131 309Profile Code Assignment - ERCOT 2 2Region Code Assignment - ERCOT 1 1Status Assignment - ERCOT 1 1Un-retire ESIID 3 3

DEV - Service History Total 275 252 527DEV - Usage IDR IDR Usage present in CR system but not in ERCOT system - ERCOT 1 1

DEV - Usage IDR Total 1 1DEV - Usage NIDR Non-IDR Usage present in CR system but not in ERCOT system - ERCOT 4 4

Non-IDR Usage present in TDSP system but not in ERCOT system - ERCOT 1 1DEV - Usage NIDR Total 4 1 5

NonERCOT DEV - Service History ESI ID present in MP system but not in ERCOT system - Non ERCOT 2 4 6Loss Code Assignment - Non ERCOT 13 13LSE relationship record present in ERCOT system but not in MP system - Non ERCOT 1 1LSE relationship records present in both systems but has date issues - Non ERCOT 2 1 3Profile Code Assignment - Non ERCOT 30 30Region Code Assignment - Non ERCOT 1 1Station Code Assignment - Non ERCOT 3 23 26ZIP Assignment - Non ERCOT 2 29 31

NonERCOT DEV - Service History Total 11 100 111NonERCOT DEV - Usage IDR IDR Usage present in both systems but has date issues - Non ERCOT 7 12 19

IDR Usage present in both systems but has kWh issues - Non ERCOT 4 44 48IDR Usage present in CR system but not in ERCOT system - Non ERCOT 10 26 36IDR Usage present in ERCOT system but not in MP system - Non ERCOT 1 34 35

NonERCOT DEV - Usage IDR Total 22 116 138NonERCOT DEV - Usage NIDR Non-IDR Usage present in both systems but has date issues - Non ERCOT 7 7

Non-IDR Usage present in both systems but has kWh or kW total issues - Non ERCOT 3 29 32Non-IDR Usage present in CR system but not in ERCOT system - Non ERCOT 2 37 39Non-IDR Usage present in ERCOT system but not in MP system - Non ERCOT 4 26 30

NonERCOT DEV - Usage NIDR Total 9 99 108Grand Total 322 568 890