Blog Archives

IRO-002-4: Reliability Coordination – Monitoring and Analysis

Purpose

Provide System Operators with the capabilities necessary to monitor and analyze data needed to perform their reliability functions.

Applicability

4.1. Reliability Coordinator

Effective Date

See Implementation Plan.

Background

See the Project 2014-03 project page

Requirements and Measures

R1.

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IRO-016-1: Coordination of Real-time Activities Between Reliability Coordinators

Purpose
To ensure that each Reliability Coordinator’s operations are coordinated such that they will not have an Adverse Reliability Impact on other Reliability Coordinator Areas and to preserve the reliability benefits of interconnected operations.

Applicability
Reliability Coordinator

Effective Date
November 1,

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IRO-015-1: Notifications and Information Exchange Between Reliability Coordinators

Purpose
To ensure that each Reliability Coordinator’s operations are coordinated such  that they will not have an Adverse Reliability Impact on other Reliability Coordinator Areas and to preserve the reliability benefits of interconnected operations.

Applicability
Reliability Coordinators

Effective Date
November 1,

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IRO-014-1: Procedures, Processes, or Plans to Support Coordination Between Reliability Coordinators

Purpose
To ensure that each Reliability Coordinator’s operations are coordinated such that they will not have an Adverse Reliability Impact on other Reliability Coordinator Areas and to preserve the reliability benefits of interconnected operations.

Applicability
Reliability Coordinator

Effective Date
November 1,

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IRO-010-1a: Reliability Coordinator Data Specification and Collection

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

Applicability

  • Reliability Coordinator
  • Balancing Authority
  • Generator Owner
  • Generator Operator
  • Interchange Authority
  • Load-Serving Entity
  • Transmission Operator
  • Transmission Owner

Proposed Effective Date
In those jurisdictions where no regulatory approval is required,

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IRO-009-1: 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
Reliability Coordinator

Proposed Effective Date
In those jurisdictions where no regulatory approval is required,

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IRO-008-1: Reliability Coordinator Operational Analyses and Real-time Assessments

Purpose
To prevent instability, uncontrolled separation, or cascading outages that adversely impact the reliability of the interconnection by ensuring that the Bulk Electric System is assessed during the operations horizon.

Applicability
Reliability Coordinator

Proposed Effective Date
In those jurisdictions where no regulatory approval is required,

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IRO-006-EAST-1: TLR Procedure for the Eastern Interconnection

Purpose
To provide an Interconnection-wide transmission loading relief procedure (TLR) for the Eastern Interconnection that can be used to prevent and/or mitigate potential or actual System Operating Limit (SOL) and Interconnection Reliability Operating Limit (IROL) exceedances to maintain reliability of the Bulk Electric System (BES).

Applicability

Reliability Coordinators in the Eastern Interconnection

Proposed Effective Date
First day of the first calendar quarter following the date this standard is approved by applicable regulatory authorities,

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IRO-005-3.1a: Reliability Coordination — Current Day Operations

Purpose
The Reliability Coordinator must be continuously aware of conditions within its Reliability Coordinator Area and include this information in its reliability assessments. The Reliability Coordinator must monitor Bulk Electric System parameters that may have significant impacts upon the Reliability Coordinator Area and neighboring Reliability Coordinator Areas.

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IRO-004-2: Reliability Coordination — Operations Planning

Purpose
Each Reliability Coordinator must conduct next-day reliability analyses for its Reliability Coordinator Area to ensure the Bulk Electric System can be operated reliably in anticipated normal and Contingency conditions. System studies must be conducted to highlight potential interface and other operating limits, including overloaded transmission lines and transformers,

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