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Texas Nodal Real-Time CRR Settlements Business Requirements TPTF Presentation ERCOT Settlements & Billing September 29, 2006. Agenda. Overview CRR Settlements Overview Structure of Real-Time CRR Settlements Business Requirements Requirements Sections

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Agenda

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  1. Texas NodalReal-Time CRR Settlements Business RequirementsTPTF PresentationERCOT Settlements & BillingSeptember 29, 2006 http://nodal.ercot.com 1

  2. Agenda • Overview • CRR Settlements Overview • Structure of Real-Time CRR Settlements Business Requirements • Requirements Sections • Highlights of Functional Requirements & Assumptions • Suggested NPRR’s http://nodal.ercot.com 2

  3. CRR Settlements Overview http://nodal.ercot.com 3

  4. Structure of Real-Time CRR Settlements http://nodal.ercot.com 4

  5. Calculation of RT Obligation Price http://nodal.ercot.com 5

  6. Calculation of RT Option Price http://nodal.ercot.com 6

  7. Calculation of RT Option Informational Price http://nodal.ercot.com 7

  8. Calculation of RT Option Hedge Value Price http://nodal.ercot.com 8

  9. Payments/Charges for PTP Obligations settled in RT http://nodal.ercot.com 9

  10. Payments for NOIE’s PTP Options Settled in RT http://nodal.ercot.com 10

  11. Payments for NOIE’s PTP Options with Refund Settled in RT http://nodal.ercot.com 11

  12. Suggested NPRR NPRR Suggested: As the prices for settlements of PTP Option and PTP Option with Refund are actually equivalent --- Use the same variable (RTOPTPR) name : RTOPTPR_<SRSP>_<SKSP> = Max( 0, RTSPP_<SKSP> – RTSPP_<SRSP> )/4 http://nodal.ercot.com 12

  13. Summary • Issues: • None • Protocol Reference: • Nodal Protocols Section 7 • 005NPRR-05_BOD_Action_Report_071806 • Nodal Protocols Section 9 • 007NPRR-05_BOD_Action_Report_071806 • Nodal Protocols Section 6 • 007NPRR-05_BOD_Action_Report_071806 http://nodal.ercot.com 13

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