Transcript Protocol Revision Subcommittee Tom Burke January 3, 2013 Summary of Revision Requests 8 NPRRs Recommended for Approval.

Protocol Revision
Subcommittee
Tom Burke
January 3, 2013
Summary of Revision Requests
8 NPRRs Recommended for Approval
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Items for a Vote
Unopposed Recommendations
• NPRR474, Clarification of Price Correction Principles and Associated
Timelines*
• NPRR492, Addition of System Lambda Information
• NPRR493, Half-Hour RUC Clawback
• NPRR496, Revise West Hub Definition Due to Permanent Topology
Change*
• NPRR498, Cleanup of ERCOT Finance and Audit Committee
Responsibilities in Operational Audits*
• NPRR499, Revisions to Digital Certificate Holder Qualification
Requirements*
• NPRR506, Correction of Reconfiguration SASM Language
Inconsistency – URGENT*
• NPRR507, Correction of PTP Obligation Settlement Language Related
to NPRR322 and NPRR470 – URGENT*
(* denotes no impacts)
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NPRR Descriptions
NPRRs Recommended for Approval
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NPRR474, Clarification of Price Correction Principles and
Associated Timelines
Purpose
(ERCOT)
This NPRR provides general principles on the types of errors for
which ERCOT may perform a price correction; and greater
regulatory certainty around the associated timelines for price
corrections, including ERCOT notice to Market Participants for a
price correction request to the ERCOT Board.
PRS Vote
On 11/15/12, PRS unanimously voted to recommend approval of
NPRR474 as amended by the 11/13/12 Reliant and Noble
comments and as revised by PRS. On 12/13/12, PRS unanimously
voted to endorse and forward the 11/15/12 PRS Report as revised
by PRS and Impact Analysis for NPRR474 to TAC.
Effective Date/Priority
April 1, 2013
ERCOT Impact
No impacts (ERCOT business function updates).
Business Case
Highlights
Providing more clarity and certainty to Market Participants regarding
the price correction process and the circumstances under which a
price correction shall be performed; and reduced disputes from
Market Participants.
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ERCOT Public
NPRR492, Addition of System Lambda Information
Purpose
(MISUG)
This NPRR accounts for the addition of the System Lambda to the
Locational Marginal Price (LMP) by Resource Node, Load Zone and
Trading Hub report and display; and defines System Lambda within
the Protocols and applies the defined term throughout.
PRS Vote
On 11/15/12, PRS voted to recommend approval of NPRR492 as
revised by PRS. There was one abstention from the Consumer
Market Segment. On 12/1312, PRS unanimously voted to endorse
and forward the 11/15/12 PRS Report and the Impact Analysis for
NPRR492 to TAC with a recommended priority of 2013 and rank of
820.
Effective Date/Priority
Upon System Implementation – Priority 2013; Rank 820
ERCOT Impact
$18k - $20k; impacts to MMS and MIS.
Business Case
Highlights
Provides transparency to the data used in the LMP price
calculations; and Market Participants with the ability to shadow LMP
and Settlement Point Price calculations.
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NPRR493, Half-Hour RUC Clawback
Purpose
(GDF Suez)
This NPRR removes Reliability Unit Commitment (RUC) Clawback
on all Half-Hour Start Units (a) that participate in the Day-Ahead
Market (DAM) and (b) during Energy Emergency Alert (EEA) events;
and changes the RUC Clawback on all Half-Hour Start Units that did
not participate in the DAM to 50%.
PRS Vote
On 11/15/12, PRS voted to recommend approval of NPRR493 as
submitted. There was one abstention from the Municipal Market
Segment. On 12/13/12, PRS unanimously voted to endorse and
forward the 11/15/12 PRS Report and Impact Analysis for NPRR493
to TAC with a recommended priority of 2013 and rank of 830.
Effective Date/Priority
Upon System Implementation – Priority 2013; Rank 830
ERCOT Impact
$15k - $20k; system impacts to CSI and S&B
Business Case
Highlights
The removal of RUC Clawback for a subset of Generation
Resources would send an appropriate signal to Market Participants,
capital markets and manufacturers, thereby encouraging investment
in more low-cost operational flexibility.
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NPRR496, Revise West Hub Definition Due to Permanent
Topology Change
Purpose
(ERCOT)
This NPRR revises the West 345 kV Hub to replace the Sweetwater
Cogen (SWCOG) Hub Bus with Sweetwater East Switch (SWESW)
Hub Bus.
PRS Vote
On 11/15/12, PRS voted to recommend approval of NPRR496 as
submitted. There were two abstentions from the Independent Power
Marketer (IPM) Market Segment. On 12/13/12, PRS unanimously
voted to endorse and forward the 11/15/12 PRS Report and Impact
Analysis for NPRR496 to TAC.
Effective Date/Priority
April 1, 2013
ERCOT Impact
No impacts.
Business Case
Highlights
West 345kV Hub definition will reflect actual network topology.
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NPRR498, Cleanup of ERCOT Finance and Audit Committee
Responsibilities in Operational Audits
Purpose
(ERCOT)
This NPRR proposes cleanup to Protocol language in regards to the
responsibilities of the ERCOT Finance and Audit (F&A) Committee in
operational audits.
PRS Vote
On 11/15/12, PRS unanimously voted to recommend approval of
NPRR498 as submitted. On 12/13/12, PRS unanimously voted to
endorse and forward the 11/15/12 PRS Report and Impact Analysis
for NPRR498 to TAC.
Effective Date/Priority
April 1, 2013
ERCOT Impact
No impacts.
Business Case
Highlights
Consistency in documentation of ERCOT F&A Committee
responsibilities in operational audits.
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NPRR499, Revisions to Digital Certificate Holder
Qualification Requirements
Purpose
(ERCOT)
This NPRR removes references to the Foreign Corrupt Practices
Act; removes language giving new Market Participants a six-month
exemption from certain Digital Certificate issuance requirements;
and adds a prohibition against the trade or sale of Digital
Certificates.
PRS Vote
On 11/15/12, PRS voted to recommend approval of NPRR499 as
submitted. There was one abstention from the Independent
Generator Market Segment. On 12/13/12, PRS unanimously voted
to endorse and forward the 11/15/12 PRS Report and Impact
Analysis for NPRR499 to TAC.
Effective Date/Priority
April 1, 2013
ERCOT Impact
No impacts.
Business Case
Highlights
Removes unnecessary regulatory burdens.
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NPRR506, Correction of Reconfiguration SASM Language
Inconsistency – URGENT
Purpose
(ERCOT)
This NPRR makes corrections to a table describing the timeline for a
reconfiguration Supplemental Ancillary Services Market (SASM)
such that it is consistent with other Protocol language describing the
same timeline.
PRS Vote
On 12/13/12, PRS unanimously voted to grant NPRR506 Urgent
status. PRS then unanimously voted to recommend approval of
NPRR506 as revised by PRS.
Effective Date/Priority
February 1, 2013
ERCOT Impact
No impacts (ERCOT business function updates)
Business Case
Highlights
Will ensure consistent Protocol language in regards to the
reconfiguration SASM timeline.
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NPRR507, Correction of PTP Obligation Settlement Language
Related to NPRR322 and NPRR470 – URGENT
Purpose
(ERCOT)
This NPRR corrects the formula for the “Real-Time PTP Obligation
with Links to an Option per QSE per pair of source and sink” variable
(RTOBLLO q, (j, k)), which affects the charge to Qualified Scheduling
Entities (QSEs) for cleared Point-to-Point (PTP) Obligation bids with
Links to an Option.
PRS Vote
On 12/13/12, PRS unanimously voted to grant NPRR507 Urgent
status. PRS then unanimously voted to recommend approval of
NPRR507 as submitted.
Effective Date/Priority
February 1, 2013
ERCOT Impact
No impacts (ERCOT business function updates).
Business Case
Highlights
Primary qualitative benefit is to maintain consistency between
Protocol language and as-built systems and processes.
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