Joint Working Group Meeting: CWG, MWG, ORWG, CBASC August 29-30, - PowerPoint PPT Presentation

Joint Working Group Meeting: CWG, MWG, ORWG, CBASC August 29-30, 2012

REVERSION PLAN DON SHIPLEY, CARL STELLY 2

Reversion Plan  Review Reversion Plan  Timeline  Filings

Assumptions  All that can be done to mitigate will have been done prior to recommendation to revert  Members will maintain EIS-related data during reversion window  Buffer between decision and reversion point  IT systems and staff are prepared to revert 4

Decision Drivers  Reversion driven by reliability  Settlements, alone, should not drive reversion  Decision Committee will make final call 5

Reversion Window  10-day reversion window, initially  Can be extended to 30 days  Operating Days, from Go-live date/time 6

Transition Buffer  Remainder of current day  Plus 48 hours  SPP maintains responsibilities of BA  Settle under Integrated Marketplace 7

Desired State  EIS Market  Individual Balancing Authorities  Revert Tariff and other agreements  All revert at same date/time 8

Prior to Reversion MEMBERS SPP EIS Market SPP Marketplace/CBA Current BA / TO /GO NEW RSS Load X X RSS Local & Cap SPP SPP Plant RUC RTBM CRD Control NLS SPP XML EIS SPP RTOSS RTB NEW SPP Day XML RTOSS EMS X Ahead Members MFC SPP SPP AGC AGC X EMS NEW SPP MFC NERC TCR Real time IDC Real time SPP Members SETTLE SPP ICCP SETTLE X X ICCP NERC MENT ICCP Setpoint MENT IDC T+4sec 9 Dispatch T+5 NSI EIS, NSI Tags

“Buffer Period” MEMBERS SPP EIS Market SPP Marketplace/CBA Current BA / TO /GO Load X RSS Local NEW & Cap SPP SPP X X X Plant RSS RUC RTBM Control CRD NLS X SPP XML EIS SPP RTOSS RTB NEW SPP Day XML RTOSS EMS Ahead Members MFC SPP SPP X AGC AGC EMS NEW SPP MFC NERC TCR Real time IDC X Real time SPP Members SETTLE SPP ICCP X SETTLE X ICCP NERC MENT ICCP Setpoint MENT IDC T+4sec 10 Dispatch T+5 NSI EIS, NSI Tags

Reversion Effective MEMBERS SPP EIS Market SPP Marketplace/CBA Current BA / TO /GO Load RSS Local NEW & Cap X SPP SPP Plant X X RSS RUC RTBM Control CRD NLS X SPP XML EIS SPP RTOSS RTB NEW SPP X X X Day RTOSS EMS Ahead Members MFC X SPP SPP AGC AGC EMS NEW X SPP X MFC NERC TCR Real time IDC X X Real time SPP X Members SETTLE SPP ICCP X X SETTLE ICCP NERC MENT ICCP Setpoint MENT IDC T+4sec 11 Dispatch T+5 NSI EIS, NSI Tags

Post Reversion  Return to Integrated Marketplace - lengthy period  Testing  Parallel Ops  Processes/procedures  Audit  One reversion 12

Reversion Plan – Timeline to Filing  8/22/12: Plan provided to stakeholders for review  8/29/12: Plan review with stakeholders by SPP Staff  9/30/12: Review complete by stakeholders  10/16/12: SPP Staff present Plan to MOPC for comment  10/30/12: SPP Staff present Plan to SPP Board of Directors for comment  10/30 – 12/31: Any revisions to Plan incorporated by SPP Staff per MOPC and Board review 13

Reversion Plan – Timeline to Filing  1/15/13: MOPC review of final Plan – approval requested  1/29/13: Board of Directors review and approval of final Plan  2/13: Supplemental filing in ER12-1179 with final Plan and support for its acceptance 14

Market Participant Milestones 15