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GATF Update to WMS

GATF Update to WMS. June 4 th , 2014 Brandon Whittle Pete Warnken. Voting Items. Application of Scenarios in the CDR (Vote)

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GATF Update to WMS

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  1. GATF Update to WMS June 4th, 2014 Brandon Whittle Pete Warnken

  2. Voting Items Application of Scenarios in the CDR (Vote) GATF has discussed using multiple load and wind forecasts as well as different generation planning scenarios in the CDR. Should GATF work to create a scenario based NPRR or should the CDR just have one number for the reserve margin? NPRR611, Modifications to CDR Wind Capacity Value (Vote) Should WMS file comments to PRS on the following issues, if so which? Consensus Regional - 611 should be changed to separate Coastal and Non-Coastal wind Open Issues Seasonal – Should there be a different ELCC for each season? Continued-

  3. 611 Methodology Options

  4. Non-Voting Items Load Forecast Transparency Website http://www.ercot.com/gridinfo/load/forecast/index.html Update on Proposed Changes to CDR Inputs • ERS: ERCOT to provide Draft NPRR  as they want more flexibility in coming up with the ERS load forecast to account for proposed modifications to the program including expense limit.   Some concern from GATF about whether this is too unbounded. • Treatment of ERS & Load Resources providing RRS in the Load Forecast:  ERCOT working on an analysis and proposal later this year. • Energy Efficiency : ERCOT planning to include the line item back into the CDR (not a protocol change).  There is a chance that EIA data could be included in the load forecast for the next CDR, though ERCOT is concerned about double dipping in load forecast. • Distributed Generation: ERCOT doing more analysis on how to handle the DG, currently they would prefer to keep it embedded in the load forecast. • Transmission Providers Programs:  ERCOT implemented the recommendation to exclude TDSP programs for the winter since they were not required • ERCOT Load:Planning forecasts are much more conservative, some 10GW higher in peak load after accounting for PUN Load. Is GATF the Right Venue? • Planned Generation: Transmission planning has a higher hurdle for including planned generation than in the CDR.

  5. WMS Assignment List GATF would like to mark the struck items as completed.

  6. June 24th – Next Meeting – Agenda items? Update on ELCC & NERC Reporting 611 language? What else?

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