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Tom Miller MWG Chair Xiaobo Wang MWG-Vice Chair

Tom Miller MWG Chair Xiaobo Wang MWG-Vice Chair . MWG Meeting May 13, 2013. Agenda. Welcome and Introductions WECC Activities Task Force Update Electric Topology Implementation Test results Promod enhancements version 11 and future Reserve granularity. Topology Test Prep.

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Tom Miller MWG Chair Xiaobo Wang MWG-Vice Chair

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  1. Tom Miller MWG ChairXiaobo WangMWG-Vice Chair MWG Meeting May 13, 2013

  2. Agenda • Welcome and Introductions • WECC Activities • Task Force Update • Electric Topology Implementation • Test results • Promod enhancements • version 11 and future • Reserve granularity

  3. Topology Test Prep

  4. Preparation of 4/29 Test Case • Used 2010 Backcast (3/8/13 version) • Defined 24 pools based on Balancing Authorities and 3 consolidations • Input entitlement shares of joint plants • Input hurdle rates between pools • Set pool reserves to 4% of daily peak • Note that some of the data has changed since 4/29 and will be implemented later

  5. Progress and complications • Run completed • Took 22 hours (vs. 13 hours with 8 pool topology) • New pools and joint plants work in Promod, but not in post-processing tool • Accounting for joint plants needs to be done carefully (generated where, delivered where) • Data inputs kept changing – had to just run with preliminary inputs

  6. Map of TEPPC Load Areas

  7. 8 Pools to 24 Pools SMUD + TIDC >> BPA + MidC + SCL/TPWR NWMT + WAUW >>

  8. Topology Test Results

  9. Separate Deck • Results ….

  10. Promod Enhancements • Version 11.0 (released January 2013) • Multiple 8760 hourly shapes • Multiple Load and Rating patterns (monthly granularity – bus loads, branch ratings, etc.) • Ramp Rate Penalty Cost • Hydro Scheduled based on Load net Wind (and other selectable transactions) • Runtime improvement; User interface response

  11. Future Enhancements Needed • CO2 Import Penalty for CA AB-32 • Additional improvement to DC transmission algorithm • Enhancement to simplify modeling of Demand Response • Change to limit the contribution of hydro units to reserves • Ability to model multi-layer reserve requirements (BA plus reserve sharing)

  12. Reserve Granularity • For 2022 dataset reserves were: • 4% of daily peak + hourly flexibility reserve

  13. Comments and Questions

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