Blog Archives

Facilities Design, Connections and Maintenance

FAC-001-3 – Facility Interconnection Requirements

Purpose
To avoid adverse impacts on the reliability of the Bulk Electric System, Transmission Owners and applicable Generator Owners must document and make Facility interconnection requirements available so that entities seeking to interconnect will have the necessary information.

Applicability

4.1.1.

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FAC-001-WECC-2: Transmission Maintenance

Purpose
To ensure the Transmission Owner of a transmission path identified in Attachment B, Major WECC Transfer Paths in the Bulk Electric System, including associated facilities has a Transmission Maintenance and Inspection Plan (TMIP); and performs and documents maintenance and inspection activities in accordance with the TMIP.

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FAC-011-3 – System Operating Limits Methodology for the Operations Horizon

Purpose

To ensure that System Operating Limits (SOLs) used in the reliable operation of the Bulk Electric System (BES) are determined based on an established methodology or methodologies.

Applicability

4.1. Reliability Coordinator

5. Effective Date: See Implementation Plan for the Revised Definition of “Remedial Action Scheme”.

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FAC-010-3 – System Operating Limits Methodology for the Planning Horizon

Purpose

To ensure that System Operating Limits (SOLs) used in the reliable planning of the Bulk Electric System (BES) are determined based on an established methodology or methodologies.

Applicability

4.1. Planning Authority

5. Effective Date: See Implementation Plan for the Revised Definition of “Remedial Action Scheme”

Requirements

R1.

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FAC-003-4 – Transmission Vegetation Management

Purpose

To maintain a reliable electric transmission system by using a defense- in-depth strategy to manage vegetation located on transmission rights of way (ROW) and minimize encroachments from vegetation located adjacent to the ROW, thus preventing the risk of those vegetation-related outages that could lead to Cascading.

Applicability

4.1.

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FAC-002-2 – Facility Interconnection Studies

Purpose

To study the impact of interconnecting new or materially modified Facilities on the Bulk Electric System.

Applicability

4.1. Functional Entities:

4.1.1. Planning Coordinator

4.1.2. Transmission Planner

4.1.3. Transmission Owner

4.1.4.

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FAC-501-WECC-1: Transmission Maintenance

Purpose
To ensure the Transmission Owner of a transmission path identified in the table  titled “Major WECC Transfer Paths in the Bulk Electric System” including associated facilities has a Transmission Maintenance and Inspection Plan (TMIP); and performs and documents maintenance and inspection activities in accordance with the TMIP.

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FAC-014-2: Establish and Communicate System Operating Limits

Purpose
To ensure that System Operating Limits (SOLs) used in the reliable planning and  operation of the Bulk Electric System (BES) are determined based on an established methodology or methodologies.

Applicability

  • Reliability Coordinator
  • Planning Authority
  • Transmission Planner
  • Transmission Operator

Effective Date
April 29,

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FAC-013-2: Assessment of Transfer Capability for the Near-term Transmission Planning Horizon

Purpose
To ensure that Planning Coordinators have a methodology for, and  perform an annual assessment to identify potential future Transmission System weaknesses and limiting Facilities that could impact the Bulk Electric System’s (BES) ability to reliably transfer energy in the Near-Term Transmission Planning Horizon.

Applicability
Planning Coordinators

Effective Date
In those jurisdictions where regulatory approval is required,

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FAC-008-3: Facility Ratings

Purpose
To ensure that Facility Ratings used in the reliable planning and operation of the Bulk Electric System (BES) are determined based on technically sound principles. A Facility Rating is essential for the determination of System Operating Limits.

Applicability

  • Transmission Owner.

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