Blog Archives

Interconnection Reliability Operations and Coordination

IRO-006-WECC-3: Qualified Path Unscheduled Flow (USF) Relief

Purpose
To mitigate flows on Qualified Paths to reliable levels during Real-time operations.

Applicability 

4.1. Reliability Coordinator
4.2 Balancing Authority

Effective Date
The first day of the second quarter following applicable regulatory approval. See Implementation Plan.

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IRO-002-5: Reliability Coordination – Monitoring and Analysis

Purpose:      To provide System Operators with the capabilities necessary to monitor and analyze data needed to perform their reliability functions.

Functional Entities

4.1.1.  Reliability Coordinators

Effective Date: See Implementation Plan

Requirements and Measures

R1.    

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IRO-018-1(i): Reliability Coordinator Real-time Reliability Monitoring and Analysis Capabilities

Purpose:     Establish requirements for Real-time monitoring and analysis capabilities to support reliable System operations.

Functional Entities

4.1.1.  Reliability Coordinators

Effective Date: 4/1/2018

Requirements and Measures

R1.    

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IRO-014-3 – Coordination Among Reliability Coordinators

Purpose

To ensure that each Reliability Coordinator’s operations are coordinated such that they will not adversely impact other Reliability Coordinator Areas and to preserve the reliability benefits of interconnected operations.

Applicability

4.1. Reliability Coordinator

Effective Date

See the Implementation Plan.

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IRO-017-1: Outage Coordination

Purpose

To prevent instability, uncontrolled separation, or cascading outages that adversely impact the reliability of the interconnection by ensuring prompt action to prevent or mitigate instances of exceeding Interconnection Reliability Operating Limits (IROLs).

Applicability

4.1. Reliability Coordinator

4.2. Transmission Operator

4.3.

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IRO-008-2 – Reliability Coordinator Operational Analyses and Real-time Assessments

Purpose

Perform analyses and assessments to prevent instability, uncontrolled separation, or Cascading.

Applicability

4.1. Reliability Coordinator

Proposed Effective Date

See Implementation Plan.

Background

See Project 2014-03 project page.

Requirements and Measures

R1.

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IRO-001-4: Reliability Coordination – Responsibilities

Purpose

To establish the responsibility of Reliability Coordinators to act or direct other entities to act.

Applicability

4.1. Reliability Coordinator

4.2. Transmission Operator

4.3. Balancing Authority

4.4. Generator Operator

4.5.

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IRO-010-2 – Reliability Coordinator Data Specification and Collection

Purpose

To prevent instability, uncontrolled separation, or Cascading outages that adversely impact reliability, by ensuring the Reliability Coordinator has the data it needs to monitor and assess the operation of its Reliability Coordinator Area.

Applicability

4.1. Reliability Coordinator

4.2. Balancing Authority.

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IRO-006-EAST-2: Transmission Loading Relief Procedure for the Eastern Interconnection

Purpose

To coordinate action between Reliability Coordinators within the Eastern Interconnection when implementing transmission loading relief procedures (TLR) for the Eastern Interconnection to prevent or manage potential or actual System Operating Limit (SOL) and Interconnection Reliability Operating Limit (IROL) exceedances to maintain reliability of the Bulk Electric System (BES).

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IRO-009-2 – Reliability Coordinator Actions to Operate Within IROLs

Purpose

To prevent instability, uncontrolled separation, or cascading outages that adversely impact the reliability of the interconnection by ensuring prompt action to prevent or mitigate instances of exceeding Interconnection Reliability Operating Limits (IROLs).

Applicability

4.1. Functional Entities

4.1.1 Reliability Coordinator

Effective Date

See the Implementation Plan for IRO-009-2.

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