Summary of Nodal Protocol Revisions

Effective: September25, 2015

Section 2:

NPRR690 – Incorporation of Creditworthiness Standards into Protocols

This Nodal Protocol Revision Request (NPRR) incorporates the ERCOT Creditworthiness Standards (which currently resides in an Other Binding Document) into the Protocols, and deletes references to the Other Binding Document. In addition, it corrects discrepancies between Protocols and the current ERCOT Creditworthiness Standards relating to requirements to receive unsecured credit and in certain terminology, eliminates the annual Finance and Audit Committee review process for letter of credit concentration limits in favor of the change control process used elsewhere in Protocols, corrects a discrepancy between requirements for Electric Cooperatives (ECs) and applicable regulatory standards, and aligns Protocol language with the current ERCOT Creditworthiness Standards to clarify that audited financial statements must be in accordance with Generally Accepted Accounting Principles (GAAP) or International Accounting Standards (IAS).

Revised Subsection:2.1[unboxed due to system implementation]

Section 3:

NPRR654 – Discontinue Ancillary Service Requirement Methodology Assessment Report

This Nodal Protocol Revision Request (NPRR) discontinues the posting requirement for the Ancillary Service Requirement Methodology Assessment Report, ERCOT Market Information List (EMIL) ID, NP3-783-M.

Revised Subsection:3.16[unboxed due to system implementation]

NPRR682 – Changes to Notification Method when ERCOT Intends to Procure Additional Ancillary Services

This Nodal Protocol Revision Request (NPRR) changes the notification to Market Participants from the Market Information System (MIS) Secure Area to the MIS Public Area when ERCOT intends to procure additional Ancillary Services through a Supplemental Ancillary Service Market (SASM).

Revised Subsection:3.16[unboxed due to system implementation]

Section 4:

NPRR655 – Discontinue Contingency List Changes Due to Weather Report

This Nodal Protocol Revision Request (NPRR) discontinues the posting requirement for the Contingency List Changes Due to Weather Report, ERCOT Market Information List (EMIL) ID, ZP4-724-M.

Revised Subsection:4.2.3[unboxed due to system implementation]

Section 8:

NPRR657 – Discontinue Backup Control Plan Submittal Results, Dispatch Instructions Compliance Metrics, and Backup Control Plan Test Dates and Results Summary Reports

This Nodal Protocol Revision Request (NPRR) discontinues the posting requirement for Discontinue Backup Control Plan Submittal Results, Dispatch Instructions Compliance Metrics, ERCOT Market Information List (EMIL) ID, NP8-510M and Backup Control Plan Test Dates and Results Summary Reports, EMIL ID NP8-922-M.

Revised Subsections:8.1 and 8.3[unboxed due to system implementation]

Section 16:

NPRR690 – Incorporation of Creditworthiness Standards into Protocols

See Section 2 above.

Revised Subsections:16.11.2, 16.11.3, 16.11.4.3, 16.16.1, and 16.16.3

Section 18:

NPRR661 – Discontinue Posting Profile Data Evaluation Report

This Nodal Protocol Revision Request (NPRR) discontinues the posting requirement for the Profile Data Evaluation Report, ERCOT Market Information List (EMIL) ID, ZP18-432-M. This information will be available via ad hoc request to ERCOT.

Revised Subsection:18.3.1[unboxed due to system implementation]

Administrative Changes:

Non-substantive administrative changes were made such as spelling corrections, formatting, and correcting Section numbering and references.

Revised Subsection:3.16

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