1. Next-day Study Task Force Jason Ausmus NDSTF Chair W ESTERN E LECTRICITY C OORDINATING C OUNCIL

2. NDS Strategy – Work Items I.What Near-Term Studies Need to Accomplish II.Input to the Study Process III.Performing the Studies IV.Sharing and Coordinating Study Results and Operational Plans 2 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

3. NDSTF – White Papers Produce White Papers for the four work items: – White Paper #1: Finalized July 18 th – White Paper #2: Draft currently undergoing revisions – White Paper #3: Outline for draft is being developed – White Paper #4: Brainstorming session during Oct 29-30 th meeting 3 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

4. NDSTF – Other Projects NDSTF also taking on “practical” projects 1.COS Outage Manual (Work Item II) Initial effort to standardize the Coordinated Outage System (COS) 2.Study Report Template (Work Item IV) Establish a template for every entity to NDS study results 4 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

5. Standards Changes on the Horizon The new TOP-002-4 recently passed the ballot: R1. Each Transmission Operator shall have an Operational Planning Analysis that will allow it to assess whether its planned operations for the next day within its Transmission Operator Area will exceed any of its System Operating Limits (SOLs). R2. Each Transmission Operator shall have an Operating Plan(s) for next-day operations to address potential System Operating Limit (SOL) exceedances identified as a result of its Operational Planning Analysis as required in Requirement R1. 5 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

6. Revised Definition of Operational Planning Analysis 6 W ESTERN E LECTRICITY C OORDINATING C OUNCIL CurrentRevised An analysis of the expected system conditions for the next day’s operation. (That analysis may be performed either a day ahead or as much as 12 months ahead.) Expected system conditions include things such as load forecast(s), generation output levels, and known system constraints (transmission facility outages, generator outages, equipment limitations, etc.). An evaluation of projected system conditions to assess anticipated (pre- Contingency) and potential (post- Contingency) conditions for next-day operations. The evaluation shall reflect applicable inputs including, but not limited to, load forecasts; generation output levels; Interchange; known Protection System and Special Protection System status or degradation; Transmission outages; generator outages; Facility Ratings; and identified phase angle and equipment limitations. (Operational Planning Analysis may be provided through internal systems or through third-party services.)

7. NDSTF Next Steps Excerpt from the NDSTF Strategy Document: “Once the NDSTF has accomplished these specific work items, it is envisioned that the NDSTF would potentially exist as a working group to serve as a forum for discussion and continuous improvement of all aspects of near-term study processes.” Is there value in continuing the NDSTF effort (or forming a Working Group or other) to ensure TOPs are successful with TOP-002-4? 7 W ESTERN E LECTRICITY C OORDINATING C OUNCIL