NERC PRC-005 sets critical requirements for the maintenance and testing of protection systems, but many organizations still struggle with compliance. Six common reasons why entities find themselves noncompliant include:

1. Missed Maintenance Cycles
Failure to meet the maintenance cycle that was previously established in the outgoing PRC-005-1b program for those components. (For protection system components that the entity chose to delay entry into the periodicity required.)
2. Incorrect Completion Calculations
Misunderstanding the PRC-005 Implementation Plan can cause errors in calculating the percentage of completed maintenance tasks — an easy mistake that can lead to big penalties.
3. Poor Tracking and Scheduling
An inadequate internal tracking and scheduling system, especially for critical components like batteries, has resulted in missed maintenance deadlines across many organizations.

4. Incomplete Component Lists
New tracking sheets introduced without thorough validation have caused protection system components to be overlooked entirely, leaving some assets unmaintained.
5. Misinterpretation of Testing Requirements
Some mistakenly believe that performing battery discharge testing every 18 months eliminates the need for separate terminal connection resistance tests. It does not — both are required unless specifically exempted.Â
6. Lack of Staff Communication
Failure to properly train maintenance teams on new test equipment and updated NERC maintenance programs has left many field staff unaware of current compliance expectations.
By recognizing and addressing these issues, organizations can strengthen their maintenance programs, avoid violations, and better protect the reliability of the Bulk Electric System.
For more information on PRC-005 and how Certrec can assist with compliance, visit www.certrec.com or contact us at NERCExperts@certrec.com.Â
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