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Substation technician vs relay technician

The differences between substation technicians and relay technicians can be seen in a few details. Each job has different responsibilities and duties. It typically takes 2-4 years to become both a substation technician and a relay technician. Additionally, a relay technician has an average salary of $68,823, which is higher than the $39,335 average annual salary of a substation technician.

The top three skills for a substation technician include hand tools, circuit breakers and substation equipment. The most important skills for a relay technician are transformers, SCADA, and test equipment.

Substation technician vs relay technician overview

Substation TechnicianRelay Technician
Yearly salary$39,335$68,823
Hourly rate$18.91$33.09
Growth rate-1%-1%
Number of jobs44,87257,914
Job satisfaction--
Most common degreeAssociate Degree, 35%Associate Degree, 43%
Average age3737
Years of experience44

What does a substation technician do?

Substation technicians are electrical professionals who are responsible for performing routine maintenance and emergency repairs on electrical substations. These technicians must possess skills in using basic hand tools to install or replace defective parts while assembling or disassembling electrical equipment. They are required to make professional electrical wiring and other repairs to electrical systems so that they can ensure safety to residents and other employees. Substation technicians must also work outdoors to perform maintenance on high voltage equipment that is installed in high and confined areas.

What does a relay technician do?

Relay technicians do relay maintenance and repairs in electrical power stations. The technicians repair circuit breakers, test various components, calibrate generators, and replace wires. They make sure that electricity is routed through the electrical station towards commercial or residential areas at the right voltage. They read electrical schematics and diagrams to learn the issues and utilize the information for the installation of new components. Skills needed for this job include communication, attention to detail, and electrical knowledge.

Substation technician vs relay technician salary

Substation technicians and relay technicians have different pay scales, as shown below.

Substation TechnicianRelay Technician
Average salary$39,335$68,823
Salary rangeBetween $29,000 And $53,000Between $39,000 And $120,000
Highest paying City--
Highest paying state--
Best paying company--
Best paying industry--

Differences between substation technician and relay technician education

There are a few differences between a substation technician and a relay technician in terms of educational background:

Substation TechnicianRelay Technician
Most common degreeAssociate Degree, 35%Associate Degree, 43%
Most common majorElectrical Engineering TechnologyElectrical Engineering
Most common collegeNew Mexico State UniversityNew Mexico State University

Substation technician vs relay technician demographics

Here are the differences between substation technicians' and relay technicians' demographics:

Substation TechnicianRelay Technician
Average age3737
Gender ratioMale, 97.3% Female, 2.7%Male, 92.5% Female, 7.5%
Race ratioBlack or African American, 5.5% Unknown, 7.2% Hispanic or Latino, 13.9% Asian, 3.9% White, 69.0% American Indian and Alaska Native, 0.6%Black or African American, 5.5% Unknown, 7.2% Hispanic or Latino, 13.9% Asian, 3.9% White, 69.0% American Indian and Alaska Native, 0.6%
LGBT Percentage3%3%

Differences between substation technician and relay technician duties and responsibilities

Substation technician example responsibilities.

  • Document all work perform to meet WECC and Nerc Cip compliant requirements.
  • Diagnose, repair and replace monitoring and control systems, hoisting equipment, and overhead cranes.
  • Check and refill SF6 on circuit switches.
  • Use ladders and Ariel Lifts/Trek-Lifts when need.
  • Perform NERC compliance relating to system protection.
  • Assist with SCADA installation and wiring at each substation.
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Relay technician example responsibilities.

  • Lead technicians and engineers to accomplish a cross-functional CNC fixture design to improve production capabilities.
  • Test and troubleshoot protective relay scheme for the commissioning of switch yard apparatus and line protection.
  • Assist with SCADA point verification.
  • Work with Nortel and Alcatel switches.
  • Travele with company and put substations into service by wiring cabinets, transformers, and breakers.
  • Involve the wiring and testing of control relays, transformers, and breakers and switching gear.
  • Show more

Substation technician vs relay technician skills

Common substation technician skills
  • Hand Tools, 13%
  • Circuit Breakers, 12%
  • Substation Equipment, 11%
  • Safety Rules, 10%
  • Loaders, 8%
  • Switches, 7%
Common relay technician skills
  • Transformers, 17%
  • SCADA, 13%
  • Test Equipment, 10%
  • Substation Equipment, 10%
  • Protective Relays, 7%
  • Control Circuits, 7%

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