Electronic scheduling work group update rick lowther srp
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Electronic Scheduling Work Group Update Rick Lowther SRP. Interchange Scheduling and Accounting Subcommittee Meeting Salt Lake City, UT August 2013. Electronic Scheduling Work Group Meetings. Past March 20-21, 2013 – Salt Lake City Future – ?. WIT Change Order 24 Re: INT-011-WECC-RBP-2.

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Electronic Scheduling Work Group Update Rick Lowther SRP

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Electronic scheduling work group update rick lowther srp

Electronic Scheduling Work Group UpdateRick LowtherSRP

Interchange Scheduling and Accounting Subcommittee Meeting

Salt Lake City, UT

August 2013


Electronic scheduling work group meetings

Electronic Scheduling Work Group Meetings

  • Past

    • March 20-21, 2013 – Salt Lake City

  • Future – ?


Wit change order 24 re int 011 wecc rbp 2

WIT Change Order 24 Re: INT-011-WECC-RBP-2

  • BP specifies e-Tag requirements for ten-minute recallable reserve transactions.

    • e-Tag type set to “RECALLABLE”

    • Energy product type set to “C-RE”

    • Reserve obligation multiplier set to 100%

    • Reserve Responsible Entity set to sink BA or LSE

    • Sink BA or LSE activates reserves by downward market level energy profile adjustment (start time less than ten minutes past; zero ramp duration)

    • Source and sink BAs must approve market level energy profile adjustments


Wit change order 24 re int 011 wecc rbp 21

WIT Change Order 24 Re: INT-011-WECC-RBP-2

  • ESWG provided a requirements document specifying Interchange Authority functionality.

  • Special “RECALLABLE” e-Tag processing requirements

    • Allow Source BA to submit downward market level energy profile adjustments.

    • Default unspecified ramp durations to zero minutes for market level energy profile adjustments.

    • Require only Source and Sink BA approval.


Wit checkout process re int 021 wecc rbp 1 3

WIT Checkout Process Re: INT-021-WECC-RBP-1.3

  • Requires adjacent BAs to checkout net scheduled (NSI) and net actual (NAI) interchange.

  • Checkout process timeframes

    • Pre-schedule day in accordance with WECC pre-schedule calendar (NSI only)

    • Next hour of current day (NSI only)

    • Current hour upon change (NSI only)

    • Prior hour of current day (NSI and NAI)

    • Past day (NSI and NAI)


Wit checkout process re int 021 wecc rbp 1 31

WIT Checkout ProcessRe: INT-021-WECC-RBP-1.3

  • Suggested changes to reduce labor

    • Automate the prior hour/past day NSI checkout if there are no schedule changes since the current hour/next hour/pre-schedule day checkout. Currently, separate prior hour/past day and current hour/next hour/pre-schedule day checkboxes must be checked.

    • Automate the prior hour/past day NAI checkout if adjacent BAs upload matching NAI values. Currently, each BA can check the checkboxes even if they upload different NAI values.

  • Do the proposed changes meet WECC audit requirements?


E tag issues re int 014 wecc rbp 1

e-Tag IssuesRe: INT-014-WECC-RBP-1

  • Reserve Responsible Entity (RRE) designation

    • All e-Tags that source and sink within the Western Interconnection must specify an RRE for the scheduled energy.

    • e-Tag Agents must provide a dropdown list of valid RRE selections that include source and sink BA along with GPEs or LSEs that are Reserve Sharing Group members.

    • ESWG needs to update the list of GPEs for certain joint-owned generation resources.


Electronic scheduling work group update rick lowther srp

Rick Lowther

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