Topic:"Wholesale Market Operation" in M03324

Issues Identified by Stakeholders Concerning Event Analysis Noting the backlog of system events being analyzed for which reports have not been published, stakeholders suggested a need for criteria to determine events to be analyzed (in ord...

AI summary Stakeholders highlighted a backlog of unanalyzed system events, urging criteria to prioritize analyses and interim reporting. They also emphasized improving cross-border information protocols and addressing tensions between Event Analysis and Compliance Programs. NERC's ongoing reliability assessments of the bulk power system, mandated by FPA and FERC, are detailed, with a focus on emerging reliability issues.

A. Local Control Centers - 1. Determine the extent of the blackout within each Local Control Center and inform the ISO as soon as possible of existing generation and transmission capabilities. (The ISO will determine the extent of the blac...

AI summary The Local Control Centers are required to assess blackout extent, notify the ISO of generation/transmission capabilities, execute restoration procedures with ISO coordination, and energize 345 kV circuits and area tie lines during communication failures if prudent for system restoration.

Operational Authority Structure In accordance with the Ontario Electricity Act of 1998, the Independent Electricity System Operator (IESO) is responsible for managing the reliability of the IESO controlled grid, operating a competitive mar...

AI summary The IESO manages Ontario's grid reliability, operates a competitive electricity market, and complies with NERC and NPCC requirements. It uses automated dispatch algorithms for economic operation, coordinates with transmission operators, and fulfills roles as a Reliability Coordinator and Market Operator under the Ontario Electricity Act.

3.3.2 Material

AI summary The section '3.3.2 Material' introduces a regulatory proceeding context involving Nova Scotia's energy sector, referencing key organizations, acronyms, and topics relevant to electricity reliability, grid operations, and regulatory oversight.

NERC (C-1) Power Pool — Two or more interconnected electric systems operated and/or planned to supply power for their combined demand requirements.

AI summary The document defines a 'Power Pool' as two or more interconnected electric systems operated to meet combined demand requirements, highlighting coordination among systems for reliable power supply.

C. Measures - M1. Each Receiving and Sending Balancing Authority shall have and provide upon request evidence that could include, but is not limited to, interchange transaction tags, operator logs, voice recordings or transcripts of voice...

AI summary The measures require Receiving and Sending Balancing Authorities to provide evidence confirming interchange schedules' start/end times and energy profiles prior to ACE equation implementation, and to coordinate with HVDC tie Transmission Operators as per specified requirements.

C. Measures M1. The Balancing Authority and Transmission Service Provider shall each provide evidence that it responded, relative to transitioning an Arranged Interchange to a Confirmed Interchange, to each request from an Interchange Auth...

AI summary The Balancing Authority and Transmission Service Provider must provide evidence of responding to requests from an Interchange Authority regarding transitioning Arranged Interchange to Confirmed Interchange within the reliability assessment period defined in the Timing Table, Column B.

Calculation" methodology to calculate the portion of parallel flows on all facilities included in the RTO's "Coordinated Flowgate List" due to NI service or service to NL of each balancing authority. The Market Flow Calculation differs fro...

AI summary The document outlines a methodology for calculating parallel flows on RTO facilities, contrasting it with the Per Generator Method by including all market area generators and loads without thresholds. It emphasizes increased IDC granularity and counterflow tracking to address flowgate congestion under TLR Level 5A/5B, with SPP modifying the Transaction Curtailment Formula.

2.7. TLR Level 5b — Curtail Interchange Transactions using Firm Point-to-Point Transmission Service to mitigate an SOL or IROL violation - 2.7.1. The Reliability Coordinator shall use following circumstances to establish the need for enter...

AI summary The section outlines TLR Level 5b, requiring the Reliability Coordinator to curtail interchange transactions via firm transmission service to prevent SOL or IROL violations under specific conditions, referencing NERC section 3.3.

2.8. Curtailment of Interchange Transactions Using Firm Transmission Service - 2.8.1. The Reliability Coordinator shall direct the curtailment of Interchange Transactions using Firm Transmission Service that are at or above the Curtailment...

AI summary The Reliability Coordinator must curtail interchange transactions using firm transmission service at TLR Levels 5a and 5b to manage system reliability, either by enabling additional transactions after non-firm service curtailment or mitigating SOL/IROL violations post-reconfiguration attempts.

Appendices for Transmission Loading Relief Standard PLEASE NOTE: items designated for inclusion in the NAESB TLR business practice following completion of the standard revision were deleted from this version of the NERC standard. Please se...

AI summary The document outlines appendices for the Transmission Loading Relief Standard, noting that certain sections were moved to NAESB TLR business practices. Appendices A, C, E, and F are included, covering transaction management, IDC reallocation processes, and interchange transaction considerations. The Board of Trustees approved the document on April 15, 2009.

Reloading/Reallocation Transaction Status Reloading/Reallocation status will be determined by the IDC for all Interchange Transactions. The Reloading/Reallocation status of each Interchange Transaction will be listed on IDC reports and NER...

AI summary The document outlines three statuses for Reloading/Reallocation Interchange Transactions: HOLD (pending evaluation), CURTAILED (restricted due to curtailment thresholds), and PROCEED (allowed to flow). The IDC determines status, with Balancing Authorities updating E-Tag adjustments. Transactions above curtailment thresholds are restricted, while those below are unrestricted but subject to reliability standards.

Case 1: TLR 3b is called between 00:00 and 00:25 and the Interchange Transaction using Firm Point-to-Point Transmission Service is submitted to IDC by 00:25. The IDC will examine the current hour (00) and next hour (01) for all Interchange...

AI summary Case 1 outlines procedures for handling Interchange Transactions during TLR 3b. The IDC examines transactions, prioritizes Firm Point-to-Point services, issues ADJUST Lists, and manages curtailments or holds for Non-firm services. Transactions submitted after 00:25 are delayed, while mitigation of SOL/IROL violations allows rescheduling at 02:00.

- R6.1.2. Unit commitment and Dispatch Order, to include all designated network resources and other resources that are committed or have the legal obligation to run as specified in the Transmission Service Provider's ATCID. - R6.2. The imp...

AI summary The requirements outline obligations for Transmission Service Providers regarding unit commitment, dispatch orders, and assessing impacts of firm transmission services, including congestion management and coordination agreements. Specific focus is on load forecasts, distribution factors, and eliminating duplicate impacts from multi-provider transactions.

Matrix of Violation Risk Factors for Approval Standard Number Requirement Text of Requirement Violation BAL-004-WECC-01 R4.2. All corrections to any previous hour Primary Inadvertent Interchange shall be added to the appropriate On- or Off...

AI summary The document presents a matrix outlining requirements related to the correction and adjustment of Primary Inadvertent Interchange under BAL-004-WECC-01. It specifies that corrections must be added to accumulated interchange and that month-end adjustments are treated as 100% primary interchange unless they can be attributed to specific hours.

New Brunswick: The Electricity Act in New Brunswick established the New Brunswick System Operator (NBSO) on October 1,2004. NBSO is responsible to direct the operation ofthe transmission grid, to maintain the adequacy and reliability ofthe...

AI summary New Brunswick's Electricity Act established the New Brunswick System Operator (NBSO) in 2004 to manage the transmission grid and ensure system reliability. The Public Utilities Board was replaced by the Energy and Utilities Board (EUB). NERC Reliability Standards are enforced through wholesale market rules administered by NBSO, with compliance required for market participants.

Ontario: The Electricity Act, 1998 (Ontario) established the Independent Electricity System Operator (IESO). The IESO is responsible for managing Ontario's bulk electric system and operating the wholesale electricity market. The Electricit...

AI summary Ontario's Electricity Act, 1998 established the IESO and Ontario Power Authority. NERC Reliability Standards are enforced via wholesale market rules, with compliance required for licenses from the Ontario Energy Board. Bill 44 (2008) grants the Board authority to review, remand, or revoke NERC standards post-May 14, 2008.

C. Measures M1. The Balancing Authority and Transmission Service Provider shall each provide evidence that it responded, relative to transitioning an Arranged Interchange to a Confirmed Interchange, to each On–time Request for Interchange...

AI summary The Balancing Authority and Transmission Service Provider must provide evidence of responding to specific interchange requests (On-time, Emergency, Reliability Adjustment) within the reliability assessment period defined in the Timing Table, Column B, but not for other requests.

B. Requirements - R1. Prior to the expiration of the time period defined in the Timing Table, Column C, the Interchange Authority shall distribute to all Balancing Authorities (including Balancing Authorities on both sides of a direct curr...

AI summary The Interchange Authority must notify Balancing Authorities, Transmission Service Providers, and Purchasing-Selling Entities about Arranged Interchange transitions to Confirmed Interchange. For confirmed interchanges, specific details like start/stop times, ramps, and megawatt profiles must be communicated, along with information to NERC-identified reliability analysis services.

Timing Requirements for WECC A В С D If Arranged Interchange (RFI) 3 is Submitted IA Assigned Time Classification IA Makes Initial Distribution of Arranged Interchange BA and TSP Conduct Reliability Assessments IA Compiles and Distributes...

AI summary The document outlines timing requirements for WECC related to the submission and processing of arranged interchange requests (RFI). It provides a detailed table specifying the time classifications, response deadlines, and implementation timelines based on when the RFI is submitted relative to the ramp start time.

ransactions that wheel through, source, or sink in its Reliability Coordinator Area, and make that Interchange Transaction information available to all Reliability Coordinators in the Interconnection.

AI summary The requirement mandates the disclosure of interchange transaction details (wheeling, sourcing, sinking) within the Reliability Coordinator Area to all Interconnection Reliability Coordinators, enhancing transparency and coordination across the power grid.

B. Requirements R1. Each Reliability Coordinator and Balancing Authority that receives a request pursuant to an Interconnection-wide transmission loading relief procedure (such as Eastern Interconnection TLR, WECC Unscheduled Flow Mitigati...

AI summary Requirement R1 mandates that Reliability Coordinators and Balancing Authorities comply with transmission loading relief (TLR) requests from other Interconnections unless they provide a reliability reason. Non-compliance without justification is considered high risk and applies to real-time operations.

that the North American Energy Standards Board (NAESB) is developing the companion standards that address the posting of ATC information, including supporting information such as that described in R9.

AI summary The North American Energy Standards Board (NAESB) is developing companion standards to address the posting of Available Transfer Capability (ATC) information, including supporting details referenced in R9.