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TPL-007-1: Transmission System Planned Performance for Geomagnetic Disturbance Events

Purpose

Establish requirements for Transmission system planned performance during geomagnetic disturbance (GMD) events.

Applicability

4.1. Functional Entities:

4.1.1 Planning Coordinator with a planning area that includes a Facility or Facilities specified in 4.2;

4.1.2 Transmission Planner with a planning area that includes a Facility or Facilities specified in 4.2;

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TPL-003-0b: System Performance Following Loss of Two or More Bulk Electric System Elements

Purpose
System simulations and associated assessments are needed periodically to ensure  that reliable systems are developed that meet specified performance requirements, with sufficient lead time and continue to be modified or upgraded as necessary to meet present and future System needs.

Applicability

  • Planning Authority
  • Transmission Planner

Effective Date
April 23,

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TPL-002-0b: System Performance Following Loss of a Single Bulk Electric System Element

Purpose
System simulations and associated assessments are needed periodically to ensure  that reliable systems are developed that meet specified performance requirements with sufficient lead time, and continue to be modified or upgraded as necessary to meet present and future system needs.

Applicability

  • Planning Authority
  • Transmission Planner

Effective Date
Immediately after approval of applicable regulatory authorities.

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TPL-001-0.1: System Performance Under Normal Conditions

Purpose
System simulations and associated assessments are needed periodically to  ensure that reliable systems are developed that meet specified performance requirements with sufficient lead time, and continue to be modified or upgraded as necessary to meet present and future system needs.

Applicability

  • Planning Authority
  • Transmission Planner

Effective date
May 13,

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TPL-004-0a: System Performance Following Extreme BES Events

Purpose
System simulations and associated assessments are needed periodically to ensure that  reliable systems are developed that meet specified performance requirements, with sufficient lead time and continue to be modified or upgraded as necessary to meet present and future System needs.

Applicability

  • Planning Authority
  • Transmission Planner

Effective Date
April 1,

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