Aptly
Careers · Installation, maintenance and repair

Electrical and Electronics Repairers, Powerhouse, Substation, and Relay

Electrical and electronics repairers in powerhouses, substations, and relays inspect, test, repair, and maintain electrical equipment that generates and distributes power. They work in power plants, utility substations, and relay facilities, diagnosing equipment problems and performing preventive maintenance to keep electrical systems operational.

$103,020median pay, U.S., per year
$81,860–$118,870middle half earn
21Kemployed in the U.S.
Certificate or training programtypical education · 2% hold a bachelor’s or higher
LowAI exposure · AI tools touch only a small share of this work.
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Four short assessments and your background, scored against electrical and electronics repairers, powerhouse, substation, and relay and 13,000 other careers — with the reasons. Free.
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A day in the work

A typical week involves testing electrical components with specialized equipment, replacing faulty parts in generators or transformers, and documenting maintenance work. Repairers may troubleshoot relay systems, inspect wiring and connections, clean equipment, and verify repairs meet safety standards. Work includes both scheduled maintenance tasks and emergency repairs when equipment fails, often requiring coordination with other utility staff.

Who this work suits

Realistic
100Conventional
71Investigative
42Enterprising
5Social
1Artistic
0

Holland code RCI. Realistic work is hands-on, practical work with tools, machines or the outdoors. Aptly’s interest assessment scores you on the same six scales.

You tend to do well in this work if you prefer hands-on problem-solving and follow established procedures reliably. You're comfortable with technical systems, details, and safety protocols, and you value working in essential infrastructure roles where your repairs directly keep power systems running.

What it takes

Preparation: Medium preparation (vocational training, an associate degree, or related experience). Most people in this occupation hold a certificate or training program.

Skills that matter most

Critical ThinkingEquipment MaintenanceRepairingTroubleshootingReading ComprehensionOperations MonitoringQuality Control AnalysisActive Listening

Knowledge areas

MechanicalMathematics (knowledge)Engineering and TechnologyPublic Safety and SecurityEnglish LanguageComputers and Electronics

Pay by state

Certifications people in this field hold

Training

Aptly members see WIOA-approved programs, colleges and certificates near them, with completion and earnings data, on every Path plan.

Related occupations

Are you suited for this?
Four short assessments and your background, scored against electrical and electronics repairers, powerhouse, substation, and relay and 13,000 other careers — with the reasons. Free.
Find out in 15 minutes See openings

O*NET-SOC 49-2095.00 · O*NET OnLine. Pay: BLS OEWS May 2025, annual, U.S. Employment counts are national.