Summary of Nodal Protocol Revisions
Effective: January 1, 2016
Section 1:
NPRR705 – Provides Consistency for References to the End Date of the Generation Interconnection Process
This Nodal Protocol Revision Request (NPRR) replaces various terms used to refer to the date on which Generation Resources complete the Resource interconnection process with the proposed defined terms “Commercial Operations Date” and “Resource Commissioning Date” to provide consistency for references to the end of the generation interconnection process.
Revised Subsections: 1.3.1.2 and 1.3.3
NPRR733 – Delete Expiration of Customer Load Data Protected Information Status
This Nodal Protocol Revision Request (NPRR) removes the 180-day expiration of Protected Information status for raw and Adjusted Metered Load (AML) data (demand and energy) identifiable to a Customer or Electric Service Identifier (ESI ID).
Revised Subsection: 1.3.1.1
Section 2:
NPRR702 – Flexible Accounts, Payment of Invoices, and Disposition of Interest on Cash Collateral
This Nodal Protocol Revision Request (NPRR) provides rules and procedures for Flexible Accounts, which may be used by a Counter-Party to make payments to and/or receive payments from ERCOT, and addresses payment of Invoices and provides for annual disposition of interest on Cash Collateral.
Revised Subsection: 2.1 [effective upon system implementation]
NPRR705 – Provides Consistency for References to the End Date of the Generation Interconnection Process
See Section 1 above.
Revised Subsection: 2.1
NPRR715 – Clarification of Generator Modeling in the Market System
This Nodal Protocol Revision Request (NPRR) clarifies the modeling of Resources and brings the Protocols into better alignment with the current market systems by creating a new defined term, Resource Connectivity Node, and specifying that energy injection is at that node.
Revised Subsection: 2.1
NPRR728 – Removal of Language Related to NPRR484, Revisions to Congestion Revenue Rights Credit Calculations and Payments, and NPRR554, Clarification of Future Credit Exposure Calculation
This Nodal Protocol Revision Request (NPRR) removes portions of Protocol language, including definitions, introduced by NPRR484 related to Congestion Revenue Rights (CRR) Auction processes, payments and credit calculations, portions of NPRR554 related to the calculation of Future Credit Exposure (FCE), and the report posting requirement for Counter-Party FCE for Point-to-Point (PTP) Options and PTP Obligations.
Revised Subsection: 2.1
Section 3:
NPRR705 – Provides Consistency for References to the End Date of the Generation Interconnection Process
See Section 1 above.
Revised Subsection: 3.15
NPRR715 – Clarification of Generator Modeling in the Market System
See Section 2 above.
Revised Subsection: 3.8.2
NPRR725 – Modifications to CDR PUN Capacity Forecasting and PUN Net Capacity Reporting Requirements
This Nodal Protocol Revision Request (NPRR) makes improvements to the forecasting of Private Use Network (PUN) net generation capacity available to the ERCOT Region for use in the Report on Capacity, Demand and Reserves (CDR) in the ERCOT Region and other ERCOT Resource adequacy assessments.
Revised Subsection: 3.2.6.2.2
NPRR727 – Removal of Language Related to NPRR327, State Estimator Data Redaction Methodology
This Nodal Protocol Revision Request (NPRR) removes language pertaining to the development of a redacted State Estimator report from the Protocols.
Revised Subsections: 3.20 (deleted), 3.20.1 (deleted), and 3.20.2 (deleted)
NPRR735 – Load Resource Controlled by High-Set Under-Frequency Relay Resource Parameters
This Nodal Protocol Revision Request (NPRR) clarifies that the Current Operating Plan (COP) High Sustained Limit (HSL) for Load Resources controlled by high-set under-frequency relay should be equal to their expected power consumption.
Revised Subsections: 3.9 and 3.9.1
Section 4:
NPRR705 – Provides Consistency for References to the End Date of the Generation Interconnection Process
See Section 1 above.
Revised Subsection: 4.4.9.4.1
NPRR715 – Clarification of Generator Modeling in the Market System
See Section 2 above.
Revised Subsection: 4.5.1
NPRR726 – Daily Network Operations Model PSS/E File Posting Modification
This Nodal Protocol Revision Request (NPRR) removes an ERCOT requirement to set ratings for series devices not secured in the Day-Ahead Market (DAM) to zero in the daily Power System Simulator for Engineering (PSS/E) Network Operations Model files.
Revised Subsection: 4.2.3
Section 5:
NPRR712 – Clarification of RUC Process
This Nodal Protocol Revision Request (NPRR) clarifies certain language regarding the Reliability Unit Commitment (RUC) process related to startup times, Commercial Operating Plan (COP) Resource Status, and Security-Constrained Economic Dispatch (SCED).
Revised Subsections: 5.1, 5.3, and 5.5.2, and 5.5.3 [effective upon system implementation]
NPRR731 – Changes to Annual Reporting Requirements for RUC Decommitment Payment Amounts
This Nodal Protocol Revision Request (NPRR) modifies a reporting requirement for Reliability Unit Commitment (RUC) Decommitment Payment Amounts to state the report is only required where there is data to report, otherwise no report is posted.
Revised Subsection: 5.7.3
Section 6:
NPRR708 – Clarifying ERCOT Actions During Energy Emergency Alerts
This Nodal Protocol Revision Request (NPRR) adds the ability for operators to consider whether sufficient Resources are available to recover reserves within an acceptable timeframe following a disturbance before declaring an Energy Emergency Alert (EEA); separates and clarifies the triggers for entering each step of the EEA plan from the operational goals while operating within each level of EEA; formalizes an amount of Physical Responsive Capacity (PRC) for operators to target when determining Load shed amounts in EEA Level 3; and removes the requirement to notify the Southwest Power Pool Reliability Coordinator when an EEA is declared as this is a North American Electric Reliability Corporation (NERC) requirement and is covered in the Operating Procedures.
Revised Subsection: 6.5.9.4.2
NPRR712 – Clarification of RUC Process
See Section 5 above.
Revised Subsections: 6.3.2 and 6.4.7.2 [effective upon system implementation]
NPRR715 – Clarification of Generator Modeling in the Market System
See Section 2 above.
Revised Subsection: 6.5.7.3
NPRR727 – Removal of Language Related to NPRR327, State Estimator Data Redaction Methodology
See Section 3 above.
Revised Subsection: 6.5.7.1.13
NPRR730 – Elimination of the RUC Behavioral Pricing Rule
This Nodal Protocol Revision Request (NPRR) eliminates the now unnecessary behavioral pricing rule that applies to Reliability Unit Commitment (RUC)-committed units that places all MWs above the Resource’s Low Sustained Limit (LSL) at the RUC floor price of $1,500/MWh.
Revised Subsections: 6.4.4.1 (deleted) and 6.5.7.3
NPRR736 – Updates to the Ancillary Service Capacity Monitor Display
This Nodal Protocol Revision Request (NPRR) updates the Ancillary Service Capacity Monitor display on the ERCOT website with additional information by adding the On-Line and Off-Line Reserves used for the Operating Reserve Demand Curve (ORDC), High Dispatch Limit (HDL), and Low Dispatch Limit (LDL) as new items to the display.
Revised Subsection: 6.5.7.5 [effective upon system implementation]
NPRR737 – Clarification of SASM Notifications
This Nodal Protocol Revision Request (NPRR) requires ERCOT to provide notification of a Supplemental Ancillary Services Market (SASM) to all Qualified Scheduling Entities (QSEs) by ERCOT Hotline call in addition to the current electronic communication.
Revised Subsection: 6.4.9.2 [effective upon system implementation]
Section 7:
NPRR728 – Removal of Language Related to NPRR484, Revisions to Congestion Revenue Rights Credit Calculations and Payments, and NPRR554, Clarification of Future Credit Exposure Calculation
See Section 2 above.
Revised Subsections: 7.5.5.3 and 7.8
Section 8:
NPRR712 – Clarification of RUC Process
See Section 5 above.
Revised Subsection: 8.1.2 [effective upon system implementation]
Section 9:
NPRR702 – Flexible Accounts, Payment of Invoices, and Disposition of Interest on Cash Collateral
See Section 2 above.
Revised Subsections: 9.7.1, 9.7.2, 9.9.1, 9.9.2, 9.11.1, 9.11.2, 9.11.3, 9.13.1, 9.13.2.1, 9.13.2.2, 9.13.2.3, 9.19, 9.19.2.1, 9.19.2.2, 9.20 (new), 9.21 (new), 9.21.1 (new), and 9.21.2 (new) [effective upon system implementation]
NPRR728 – Removal of Language Related to NPRR484, Revisions to Congestion Revenue Rights Credit Calculations and Payments, and NPRR554, Clarification of Future Credit Exposure Calculation
See Section 2 above.
Revised Subsections: 9.8, 9.9, 9.9.1, and 9.9.2
Section 10:
NPRR719 – Removal of Trigger and Requirement to Reduce the Distributed Generation Registration Threshold
This Nodal Protocol Revision Request (NPRR) removes the requirement for ERCOT to reduce the Distributed Generation (DG) registration threshold when the aggregated unregistered installed capacity of DG greater than 50 kW in any one Load Zone reaches 10 MW.
Revised Subsection: 10.2.2 [effective upon system implementation of Commercial Operations Market Guide Revision Request (COPMGRR) 040, Alignment with NPRR719]
NPRR725 – Modifications to CDR PUN Capacity Forecasting and PUN Net Capacity Reporting Requirements
See Section 3 above.
Revised Subsection: 10.3.2.4
NPRR729 – Clarification of Metering Requirements for Resources
This Nodal Protocol Revision Request (NPRR) clarifies the metering requirements for Resources, specifically Interval Data Recorder (IDR) Meters versus IDRs.
Revised Subsection: 10.9
Section 11:
NPRR716 – Corrections to Aggregated Load and Participant Specific Generation Data Requirements
This Nodal Protocol Revision Request (NPRR) removes duplicative Protocol language and aligns Load and generation data posting requirements with current operating practice.
Revised Subsections: 11.5.1.1 and 11.5.2.1
Section 16:
NPRR641 – Season Definition Change for Switchable Resources Reporting Unavailable Capacity
This Nodal Protocol Revision Request (NPRR) removes the “Peak Period” reference and clarifies the timing and treatment of reporting on Switchable Generation Resource availability.
Revised Subsection: 16.5.4
NPRR702 – Flexible Accounts, Payment of Invoices, and Disposition of Interest on Cash Collateral
See Section 2 above.
Revised Subsections: 16.11.3 and 16.11.6 [effective upon system implementation]
NPRR719 – Removal of Trigger and Requirement to Reduce the Distributed Generation Registration Threshold
See Section 10 above.
Revised Subsection: 16.5 [effective upon system implementation of COPMGRR040]
NPRR728 – Removal of Language Related to NPRR484, Revisions to Congestion Revenue Rights Credit Calculations and Payments, and NPRR554, Clarification of Future Credit Exposure Calculation
See Section 2 above.
Revised Subsections: 16.11.4.5 [effective January 1, 2016] and 16.11.4.7 [effective upon system implementation]
Section 22:
NPRR725 – Modifications to CDR PUN Capacity Forecasting and PUN Net Capacity Reporting Requirements
See Section 3 above.
Revised Subsection: Section 22 Attachment L (new)
ERCOT Fee Schedule:
Revised ERCOT System Administration Fee of $0.555 [unboxed due to January 1, 2016 effective date]
Administrative Changes:
Non-substantive administrative changes were made such as spelling corrections, formatting, and correcting Section numbering and references.
Revised Subsections: 6.6.3.7, 6.4.4.2, 6.4.7, 9.11.3, 9.11.4, 9.19, and 16.5.1
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