Electrical and Electronics Repairers, Powerhouse, Substation, and Relay
These technicians keep power plants, substations, and protective relays working by finding faults, testing circuits, and fixing failed components before equipment goes out of service. The job is distinct because the work is both hands-on and highly technical: a lot depends on reading diagrams, using meters, and understanding how a small failure can affect an entire electrical system. The tradeoff is that the pay is strong, but the environment can be risky and the work is tied to specialized sites and equipment that are not available everywhere.
What This Role Looks Like in Practice
Electrical and Electronics Repairers, Powerhouse, Substation, and Relay sits in the Trades category. In practical terms, this role combines day-to-day execution, cross-team coordination, and consistent decision-making under real business constraints.
U.S. employment is currently about ~23K workers, with a median annual pay of $100,940 and roughly 2K openings each year. Based on BLS projections, total employment is expected to grow from 23.4 K in 2024 to 24.7K in 2034.
Most hiring paths start with Postsecondary certificate in electrical technology or power systems, and employers typically expect less than 5 years of related experience. Many careers in this track begin around Electrical Helper and can progress toward Lead Relay Technician. High-value skills usually include Critical Thinking, Equipment Maintenance, and Repairing, paired with soft skills such as Critical Thinking, Reading Comprehension, and Active Listening.
Core Responsibilities
- Test relays, breakers, cables, and circuits with electrical meters to figure out what is failing.
- Compare readings with manuals, wiring diagrams, and schematics to pinpoint the source of a problem.
- Take equipment in and out of service by opening and closing switches, then adjust or replace damaged parts.
- Repair and clean components such as circuit breakers, brushes, and commutators so the system can run correctly.
Keep exploring: more Trades careers or browse all job titles.
A Day in the Life
Industries That Hire
Pros and Cons
Career Progression
Education Paths
Key Skills
Job Outlook and Trends
Employment is projected to rise from 23.4K to 24.7 K over the next decade, representing 5.5% growth. Around 2 K openings per year include both newly created roles and replacement hiring from turnover.
Remote availability is currently Rare. Demand remains strongest where employers need practical domain knowledge plus modern workflow and data skills.