Due to the threat of coronavirus (COVID-19), we will continue to monitor the risk as it relates to upcoming ElectriCities training classes and meetings. If changes are made, we will post timely updates to the course schedule below and/or coordinate with the participants directly. If you must cancel attending a course or meeting due to travel restrictions, or if you have additional questions, please contact
Before attending any class, please download and review the COVID-19 Training Guidelines document to ensure the safety of the instructors and attendees.


Substation Maintenance School (ELT 221)

Greenville Utilities Commission, Greenville, NC  
Monday, May 01, 2023 - Friday, May 05, 2023   Add to Calendar Eastern Standard Time

Registration deadline April 17, 2023


The Substation Maintenance School will provide participants with the important components of maintaining a substation’s transformers, relays, and breakers. This school will also provide information on SCADA and communication systems, and Thermography. As always, emphasis on safety and security will be covered.


  • AC and DC Theory
  • Power Transformers and Maintenance Testing
    • Why We Test
    • When We Test
    • What We Test
  • Transformer Oil Sampling and Analysis
  • DGA Sample Guide
  • LTC and Regulators Inspections and Maintenance
  • Protective Relay Fundamentals
  • Substation Circuit Breakers
  • Battery Maintenance and Troubleshooting
  • SCADA and Communications
  • Thermography
  • Substation Safety
  • Substation Security

This school is not intended to certify an individual as outlined in (a) (2) (vii) of the 1910.269 Electrical Power Generation Transmission and Distribution Standard.

STUDENT REQUIREMENTSStudents are required to bring the following:

  • Required PPE (hard hat, work gloves, rubber gloves and protectors, ANSI Z87 safety glasses, work boots)
  • Voltage Meter
  • Rain Gear
  • FDR long-sleeve shirt(s)
  • Latest Edition of the APPA Safety Manual

Students are encouraged to bring a clean pair of shoes to wear inside the classroom. Students who are physically restricted to participate will be dismissed. Students with damaged or defective equipment will be dismissed.


  • Monday: 1:00 p.m.– 5:00 p.m.
  • Tuesday – Thursday: 8:00 a.m.– 5:00 p.m.
  • Friday: 8:00 a.m.– 12:00 p.m.


  • Members: $799
  • Associate Members: $1149
  • Non-Members: $1699

PREREQUISITES: Three years of experience in linework or substation operations.

CANCELLATION POLICY: If a course is cancelled by ElectriCities, all registrants will be notified with a full registration fee refund. Participant Cancellation and No Shows: A non-refundable registration fee will be charged for cancellations after the deadline of April 17, 2023

NASH COMMUNITY COLLEGE: This course is part of the Nash Community College Electric Line Construction Technology Degree program. Successful completion of the ElectriCities Substation Maintenance School grants participants credit for Nash’s “Advanced Line Construction” (ELT 221).

INSTRUCTOR: Nick Whitley

Greenville Utilities Commission  

3355 NC Highway 43 N
Greenville, NC 27834-6134

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