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ATF Work Group Update

ATF Work Group Update. ISAS January 12, 2011 Salt Lake City, Utah Pam Hunt – Chair, ATFWG. ATFWG Activity. Nothing going on…..except…. We’re Balanced – Always before the 15th We’re Guided – New WIT Guideline to approve

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ATF Work Group Update

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  1. ATF Work Group Update ISAS January 12, 2011 Salt Lake City, Utah Pam Hunt – Chair, ATFWG

  2. ATFWG Activity Nothing going on…..except…. We’re Balanced – Always before the 15th We’re Guided – New WIT Guideline to approve And we’re Criteria-ed Out! – Working on WECC-0075-ATF Tagging Protocol - second go around. This is out for comments-due back January 27th.

  3. Discussion for Retirement of INT-002-WECC-CRT-1 • INT-002-WECC-CRT-1 (formerly INT-BPS-002)Requirement covered in: • B. Requirements: • WR1. Real-time operating personnel shall reconcile all BAL-004-WECC R4 • hourly Actual Interchange Telemetered values between • Adjacent Control Areas/Balancing Authorities after the • end of each clock hour. • WR2. After-the-fact (ATF) personnel shall verify the hourly The fact we reference that this must be done • Actual Interchange Telemetered Values per NERC Standard because of BAL-006 means it is • BAL-006-0 Section B, R.4. duplicative of NERC. • WR3. The hourly Actual Interchange Telemetered Values • shall be totaled to create the Control Area’s/Balancing • Authority’s month-end on-peak and off-peak NIA data BAL-006-R1-R4.2 • for submittal to the NERC Resources Subcommittee. • WR4. Control Areas/Balancing Authorities within the • WECC that adjust their month-end NIA values • by using month-end Actual Interchange Register • Meter Readings shall include these adjustments WIT Guideline • in the following calendar month’s NIA submittal Page 11-14 • to the NERC Resources Subcommittee (e.g. Actual • Interchange Register Meter Reading adjustments • for January will be included in the February month-end • NIA values).

  4. Discussion continued… • WR4.1 Inclusion of the Register Meter adjustments in the WIT Guideline • following calendar month’s NIA will avoid delays caused Page 11-14 • by the collection of the month-end Actual Interchange • Register Meter Readings. • WR4.1.1 Actual Interchange Register Meter Readings • are values manually or electronically read directly from WIT Guideline • the meter located at the point of interconnection between Page 11-14 • two Adjacent Control Areas/Balancing Authorities. The • meter could be measuring a tie-line point, remote load • metered point, or a remote generation metered point • for jointly owned generation. • WR4.1.2 Actual Interchange Register Meter Reads are BAL-006-R33 • the most accurate record available and are the primary • source to determine final NIAvalues. • WR5. Adjacent Control Areas/Balancing Authorities must • agree on the Actual Interchange Register Meter BAL-006-R4.1-R4.3 • Reading adjustments on each common interconnection WIT Guideline • prior to the submittal of the data to NERC. Page 11-14 • WR5.1 The Adjacent Control Areas/Balancing BAL-006--R4.2 • Authorities shall mutually agree on the distribution WIT Guideline • of the Actual Interchange Register Meter adjustments Page 11-14 • between on-peak and off-peak periods. • WR5.1 If the Adjacent Control Areas/Balancing Authorities WIT Guideline • cannot mutually agree on the distribution of the Actual Page 11-14 • Interchange Register Meter adjustments, the total adjustment • will be multiplied by 0.57 to determine the on-peak • adjustment and by 0.43 to determine the off-peak adjustment.

  5. Questions?

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