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Energy

Substation and Relay Electrical and Electronics Repairer

Inspect, test, repair, or maintain electrical equipment in generating stations, substations, and in-service relays.

Annual openings

40

Median wage

$125,560

Typical education

High school (GED)

Growth 2026–2032

+10%

Median wage source: Colorado BLS OEWS (2025).

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Career requirements

What does this career require?

Explore education, required qualifications, voluntary credentials and employer preferences for this role. Check the details to see which apply.

Typical education

High school (GED)

Credential requirement

Credential requirements not reported

Work experience

Moderate on-the-job training and experience is expected.

Employer competency information

  • Safety — Safety knowledge is critical from entry-level to top management.
  • Working with Tools and Technology — Many of the technical roles use tools as an important part of their day-to-day job.
  • Communication and Teamwork — Good communication skills are important both with team members and customers.
  • Problem Solving, Decision Making, and Analytical Thinking — Many of the day-to-day activities of technical and customer service roles are related to solving problems.

Is this work a fit?

What the work actually feels like

How people in this career tend to spend their time, the interests it draws on, and a look at a typical day.

Work style

The type of work can vary by job and employer.

  • With childrenNo
  • On a computerNo
  • OutdoorsMay vary
  • With your handsYes

Interests it draws on

  • Trades
  • Energy and Utilities

Automation exposure

Moderate exposure

Some routine tasks may shift as tools improve, but the role is likely to adapt.

A typical day

  1. Inspect and test equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters.
  2. Prepare and maintain records detailing tests, repairs, and maintenance.
  3. Consult manuals, schematics, wiring diagrams, and engineering personnel to troubleshoot and solve equipment problems and to determine optimum equipment functioning.
  4. Analyze test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications.
  5. Open and close switches to isolate defective relays, performing adjustments or repairs.
  6. Run signal quality and connectivity tests for individual cables, and record results.
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