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Modules · Compliance studies · Module 020

VAR-001-5 Voltage and Reactive Control

Voltage and reactive control procedures and evidence for the Generator Operator.

About this module

What this module covers.

This module develops your compliance procedure for NERC VAR-001-5 and applies it at each applicable plant. VAR-001-5 requires the Transmission Operator to specify a voltage or Reactive Power schedule at the generator step-up transformer, to provide it to the Generator Operator with direction to comply in automatic voltage control mode, and to provide the notification requirements for deviations from the schedule (Requirement R5); the Generator Owner receives documented step-up transformer tap changes with a timeframe and technical justification (R6).

At a glance

Module: 020
Kind: Compliance studies
Governing body: NERC
Applies to: Operating plants
Typical time: About one week, all in

Support services

What GridStrong does inside this module.

Task 1: Develop Compliance Procedure

  • Create an audit-ready compliance procedure for meeting the VAR-001-5 requirements, working collaboratively across engineering and compliance departments. This includes:
    • Identifying applicable assets, functions, subject matter experts (SMEs), roles, responsibilities, and ownership
    • Determining specific actions and evidence to demonstrate compliance with specific requirements and measures
    • Conduct a gap analysis comparing current practices versus the requirements of the standard, identifying missing processes, incomplete documentation, any staff training needed, etc.
    • Develop clear step-by-step procedures for the standard, along with internal controls and documentation policies
    • Establish compliance timelines for any corrective actions the gap analysis identifies
    • Define and determine specific compliance evidence required per site

Task 2: Implementation of Compliance Procedure at each plant

  • Gather all applicable documentation, models, data, etc. for each plant
  • Conduct a thorough review of all existing plant documentation and compare against standard requirements and associated compliance procedures
  • Recommend changes needed to meet NERC VAR-001-5 requirements
  • Identify and explain the compliance timelines needed to implement recommended changes

Final deliverables

  • Task 1: Compliance Procedure for VAR-001-5.
  • Task 2: Compliance report for each plant describing the compliance methodology, findings, conclusions and recommendations, as well as timelines to implement the necessary modifications where applicable.

Assumptions and considerations

How the scope is bounded.

Run this module on one site.

Tell us the plant and the deadline. An engineer confirms the inputs, the schedule and what the Dashboard needs from you.