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Unscheduled Flow Administrative Subcommittee Report
for ISAS
Robin Chung
August 20, 2014
Salt Lake City, UT
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UFMP Assessments
• Comments solicited on last assessment calculation proposal• Comments addressed and are currently posted
• White paper under development• Brief history• Variety of methods discussed, along with pros
and cons• Will work to develop new methodology • If interested, please join us!
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• UFAS recommending 1995 caps be lifted
• Interim proposal to collect full amount billed by Device Operators
• Buy time to find a permanent solution to UFMP Assessments
• WECC member outreach via WECC MAC
Lifting 1995 Caps
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Guideline Implementation Plan
• Approved by FERC on May 16, 2014• Implementation upon completion of applicable
webSAS changes• Must report back to FERC one year from
implementation
• Peak Reliability now holds webSAS contract
• Optimistically, implementation at end of 2014
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Other Meeting Activities
• Continued involvement with the Enhanced Curtailment Calculator Advisory Task Force
• Lessons learned from NV Energy/Sierra Pacific BA consolidation• Need evaluation of current zones• Need guidelines and processes for putting
new points into zones
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• There are currently no Devices pending for disqualification
• UFAS recommends Path 22 remains qualified at this time• No system changes to merit disqualification• Path did hit 97% loading during time period• UFAS will reevaluate in one year
Path and Device Qualification Status
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• Plan Year 20 (CY2014) activity as of July 28, 2014 has 1,652 hours of Coordinated Operations of Phase Shifters (COPS) with 730 hours of contributing schedule curtailments
• Total of 102,253 MWhs of Unscheduled Flow relief was provided by curtailments
• 63 hours of competing path usage to date, Primarily Path 30, Path 36 and Path 66
Operating Statistics
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• September 30 and October 1, 2014 in Salt Lake City. 1st day TF, 2nd day UFAS
Next Meetings
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Thank you!
Questions?