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NPRR Impact Analysis and Feasibility Study: Review and Feasibility Study for NPRR164, NPRR169, and SCR752

This document provides a summary of estimated impacts and review process for NPRR change control. It includes updated review and approval steps, swim lane diagram, TPTF role, options to expedite NPRRs, and an updated tracking sheet.

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NPRR Impact Analysis and Feasibility Study: Review and Feasibility Study for NPRR164, NPRR169, and SCR752

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  1. Impact Analysis and Feasibility Study Review – NPRR164, NPRR169 and SCR752 Troy Anderson ERCOT Program Management Office January 15, 2009

  2. Summary of Estimated Impacts

  3. NPRR Change Control Process Review Troy Anderson ERCOT Program Management Office January 15, 2009

  4. Agenda • Updated NPRR Review and Approval Steps • Replaced by “NPRR Review and Approval” Visio swim lane diagram • NPRR Review and Approval Swim Lanes • TPTF role in process • Suggested change to have NPRRs enter the stakeholder process at PRS • Options to expedite NPRRs in the process • NPRR Tracking Sheet • Updated through 1/9/2009

  5. NPRR Review and Approval Steps – REPLACED BY NPRR Review & Approval Swim lane 1 Draft NPRR ERCOT Impact Analysis Development Stakeholder Approval ERCOT Staff Steps A – Market Rules receives draft NPRR and submits to PRS B – ERCOT completes high-level Impact Categorization (IC) C – ERCOT Business VP comments on essentiality status for consideration by Nodal Program Director D – Program Director authorizes resources to assess impact (if Program Director disagrees with essentiality status, Comments will be filed) E – Impact Analysis (IA) drafted F – Change Control Board (CCB) considers IA for completeness and accuracy G – Final IA document prepared for posting H – ERCOT CEO reviews IA I – Change incorporated into Nodal schedule Stakeholder Steps 1 – Draft NPRR submitted to Market Rules (to expedite, the NPRR could be submitted by TPTF – this reduces the likelihood that Step 3 will be necessary) 2 – PRS considers NPRR language 3 – PRS may remand to TPTF for input and essentiality status 4 – PRS approves NPRR language(to expedite, PRS can also consider the IA, if it is available, and vote to immediately submit to TAC) 5 – PRS approves Impact Analysis 6 – TAC approves NPRR and IA 7 – Board approves NPRR and IA Submittedby TPTF Submittedby Individual B 3 IC (1-4) TPTF A Market Rules C Business VP D 2 Program Director Comments (if necessary) PRS Approved language used to complete IA E 4 IA Drafted Approved Language F CCB 5 Legend PRS Final IA submitted to PRS Key Documents G Final IA 6 Nodal SME Impact TAC H Process Flows CEO ERCOT input into approval decision BoD Approved NPRR Integrated into Nodal Project Executive Input 7 If Board approves… I Options to Expedite Revised November 19, 2008

  6. NPRR Review and Approval Swim Lanes

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