Interconnection Reliability Operations and Coordination
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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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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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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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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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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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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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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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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Purpose
Mitigation of transmission overloads due to unscheduled flow on Qualified Transfer Paths.
Applicability
4.1.Balancing Authority
4.2 Reliability Coordinator
Effective Date
On the latter of the first day of the first quarter at least 45 days after Regulatory approval,
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Purpose
To ensure coordinated action between Interconnections when implementing Interconnection-wide transmission loading relief procedures to prevent or manage potential or actual SOL and IROL exceedances to maintain reliability of the bulk electric system.
Applicability
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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