IDT Prep 01/20/2014

1/21/14 IDT Reminders 1/21 IDT Call starts at 7:30 AM, 7 hour IDT begins at 8:30 AM –Tieline Drop –Regulation Pre-Selection – RegUp, RegDown, Spin and Supp all submitted as “Market” –EDR Scenario: Applicable MPs are in contact with SPP  This scenario will demonstrate the clearing and dispatch of an EDR resource for all qualified products. –BAAL control will be tested again –TARRFs set at 1 –Ramp Sharing “Off” 2

1/21/14 IDT Reminders webMirroring will continue to be off –EIS and IM Schedules need to be submitted –Please submit dual schedules for all hours of the IDT  HE 0900 through

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Upcoming IDT Schedule and Conditions 5 IDT DateIDT TimesConditionsNotes 1/21/14 Originally: 3:30P-8:30P 2hr IDT begins at 5:30P Now: 7:30A-4:30P 7hr IDT begins at 8:30A Regulation Pre- selection Tieline Drop SPP loses select tie-line measurements. SPP will simulate the loss of real-time data with significant tie-line data providers. MPs will not need to take any action; this is an internal process for our operators. EDR Testing with specific MPs will occur during this IDT 1/27/14 Originally: 4:30P-10:30P 4hr IDT begins at 5:30P Now: 7:30A-4:30P 7hr IDT begins at 8:30A Tieline Checkout ADI Regulation Pre-selection 2/25/148:30A-12:30P 2hr IDT begins at 9:30A Regulation Pre-selection 2/28/147:00P 4hr IDT begins at 8:00P Cutover for March 1 Go-Live