NOTICE DATE: September 10, 2015
NOTICE TYPE: M-A082415-02 NPRR
SHORT DESCRIPTION: Reminder - Implementation Details for NPRR589, NPRR701
INTENDED AUDIENCE: ERCOT Market Participants and Settlement Personnel
DAY AFFECTED: September 23, 2015
LONG DESCRIPTION: On September 23, 2015, ERCOT will implement Nodal Protocol Revision Request (NPRR) 589, Ancillary Service Offers in the Supplemental Ancillary Services Market and NPRR701, As-Built Clarification
for NPRR589.
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Settlements impact include the following changes:
6.7.2 Charges for Ancillary Service Capacity Replaced Due to Failure to Provide
1.
Reconfiguration Reg-Up Failed Qty Amount:
RRUFQAMT
q = MCPCRU rs * RRUFQ q,
rs
QSE Total:
RUFQAMTQSETOT q = RUFQAMT q + RRUFQAMT
q
2.
Reconfiguration Reg-Down Failed Qty Amount:
RRDFQAMT
q = MCPCRD rs * RRDFQ q,
rs
QSE Total:
RDFQAMTQSETOT q = RDFQAMT q + RRDFQAMT
q
3.
Reconfiguration Responsive Reserve Failed Qty Amount:
RRRFQAMT
q = MCPCRR rs * RRRFQ q,
rs
QSE Total:
RRFQAMTQSETOT q = RRFQAMT q + RRRFQAMT
q
4.
Reconfiguration Non-Spin Failed Qty Amount:
RNSFQAMT
q = MCPCNS rs * RNSFQ q,
rs
QSE Total:
NSFQAMTQSETOT q = NSFQAMT q + RNSFQAMT
q
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Settlement Calculation Revisions:
6.7.3 Adjustments to Cost Allocations for Ancillary Services Procurement
1.
Reg-Up Obligation per QSE
RUO q =
(SARUQ
q + 
(RTPCRU
q, m) + PCRU q – RURP q
– RUFQ q – RRUFQ q) * HLRS
q + RURP q
2.
Reg-Down Obligation per QSE
RDO q =
(SARDQ
q + (RTPCRD
q, m) + PCRD q – RDRP q – RDFQ
q – RRDFQ q) * HLRS q
+ RDRP q
3.
Responsive Reserve Obligation per QSE
RRO q =
(SARRQq
+ (RTPCRR
q, m) + PCRR q – RRRP q – RRFQ
q – RRRFQ q) * HLRS q
+ RRRP q
4.
Non-Spin Obligation per QSE
NSO q =
(SANSQ
q + (RTPCNS
q, m) + PCNS q – NSRP q – NSFQ
q – RNSFQ q) * HLRS q
+ NSRP q
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New Settlement Bill Determinants:
The following bill determinants will be implemented for NPRR589 and NPRR701 (As-Built Clarification for NPRR589):
|
Bill Determinant |
Short Description |
Extract |
Extract Table |
|
RRUFQ |
Total capacity associated with reconfiguration reductions for Reg-Up |
SID/ RTM CODE |
MTKINPUTHEADER MKINPUTINTERVAL |
|
RRDFQ |
Total capacity associated with reconfiguration reductions for Reg-Down |
SID/ RTM CODE |
MTKINPUTHEADER MKINPUTINTERVAL |
|
RRRFQ |
Total capacity associated with reconfiguration reductions for RRS |
SID/ RTM CODE |
MTKINPUTHEADER MKINPUTINTERVAL |
|
RNSFQ |
Total capacity associated with reconfiguration reductions for Non-Spin |
SID/ RTM CODE |
MTKINPUTHEADER MKINPUTINTERVAL |
|
RRUFQAMT |
Charge to QSE
q for its total capacity associated with reconfiguration reductions for Reg-Up |
RTM CODE |
RTMOUTPUTHEADER RTMOUTPUTINTERVAL |
|
RRDFQAMT |
Charge to QSE
q for its total capacity associated with reconfiguration reductions for Reg-Down |
RTM CODE |
RTMOUTPUTHEADER RTMOUTPUTINTERVAL |
|
RRRFQAMT |
Charge to QSE
q for its total capacity associated with reconfiguration reductions for RRS |
RTM CODE |
RTMOUTPUTHEADER RTMOUTPUTINTERVAL |
|
RNSFQAMT |
Charge to QSE
q for its total capacity associated with reconfiguration reductions for Non-Spin |
RTM CODE |
RTMOUTPUTHEADER RTMOUTPUTINTERVAL |
|
RUFQAMTQSETOT |
Total charge to QSE
q for its total capacity associated with failures and reconfiguration reductions for Reg-Up |
RTM CODE |
RTMOUTPUTHEADER RTMOUTPUTINTERVAL |
|
RDFQAMTQSETOT |
Total charge to QSE
q for its total capacity associated with failures and reconfiguration reductions for Reg-Down |
RTM CODE |
RTMOUTPUTHEADER RTMOUTPUTINTERVAL |
|
RRFQAMTQSETOT |
Total charge to QSE
q for its total capacity associated with failures and reconfiguration reductions for RRS |
RTM CODE |
RTMOUTPUTHEADER RTMOUTPUTINTERVAL |
|
NSFQAMTQSETOT |
Total charge to QSE
q for its total capacity associated with failures and reconfiguration reductions for Non-Spin |
RTM CODE |
RTMOUTPUTHEADER RTMOUTPUTINTERVAL |
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Additional Supplemental Ancillary Service Market:
The following additional market will be implemented for NPRR589, NPRR701 (As-Built Clarification for NPRR589):
|
Market |
Short Description |
Extract |
Extract Table |
|
RECON |
Reconfiguration Market: ERCOT will allow QSEs to request to modify their Ancillary Service positions through a Reconfiguration SASM (RSASM). The RSASM is executed at 0900 daily.
|
PRDE |
ASMARKET |
ACTION REQUIRED: Implement changes to shadow Settlement systems for NPRR589 and NPRR701.
ADDITIONAL INFORMATION: Pursuant to Protocol Section 21.6, Nodal Protocol Revision Implementation, ERCOT is required to provide notice as soon as practicable, but no later than ten days prior to implementation
of any NPRR that is not implemented on the first day of the month following Board approval of the NPRR.
NPRR589,
NPRR701 can be found on the ERCOT website.
Information on upcoming releases can be found on the
Project Priority List (PPL).
CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email
at [log in to unmask].
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