Business Details
Emergency
services
Trusted Electrical Repair & Power Solutions in Central Wisconsin
L & S Electric is a third-generation family-run company dedicated to delivering exceptional electrical repair, maintenance, and power control solutions. Since our founding in the 1950s, we have grown from a small motor repair shop into a nationwide leader serving industries ranging from rail transportation to hydroelectric power. Our team of engineers and industry experts specializes in power system commissioning, predictive maintenance, and integrated control solutions, ensuring reliability for critical equipment. With ISO 9001 certification and UL-listed facilities, we combine technical expertise with a commitment to 24/7 emergency support. Our nationwide network of service centers handles over 10,000 equipment repairs annually, offering capabilities from high-voltage testing to locomotive component reconditioning.We maintain deep expertise in vibration analysis, precision balancing, and electrical system diagnostics to minimize downtime for industrial clients. Our power distribution services include switchgear retrofits, transformer testing, and SCADA integration for utility providers. Through strategic partnerships and a focus on total cost of ownership, we deliver tailored solutions for OEMs and municipalities. Our culture of innovation drives continuous improvement in repair methodologies and customer service standards.
Services
Power System Commissioning
Motor Repair Services
Predictive Maintenance Programs
Power Control Solutions
Emergency Repair Services
Generator Repair
Transformer Services
Vibration Analysis
Electrical Testing
Rail Equipment Repair
Highlights and features
- We offer 24/7 emergency repair services for critical power equipment
- Our team includes 20+ certified reliability specialists with advanced vibration analysis capabilities
- ISO 9001-certified quality management systems across all facilities
- Nationwide service network with specialized rail industry expertise
- UL-listed for hazardous location motor repairs at multiple facilities
Associations and certifications
- ISO 9001
- UL 508
Services
Power System Commissioning
Our engineers specialize in comprehensive power system commissioning for utility and industrial clients. We provide full electrical testing, equipment startup, and system integration services to ensure optimal performance. With state-of-the-art test equipment and certified technicians, we verify system reliability from 500kV to 120V while meeting NERC compliance requirements.
Motor Repair Services
We offer complete repair solutions for AC/DC motors and generators up to 15,000 HP. Our EASA-accredited facilities handle rewind services, VPI insulation, and hazardous location repairs. Capabilities include precision balancing, shaft alignment, and commutator profiling to restore equipment to original specifications with guaranteed performance.
Predictive Maintenance Programs
Our predictive maintenance programs utilize advanced vibration analysis and thermographic scanning to prevent equipment failures. With 20+ certified specialists and Emerson instrumentation, we implement condition-based monitoring that reduces unplanned downtime through early fault detection and root cause analysis.
Power Control Solutions
We design and manufacture integrated power control systems for hydroelectric, fossil fuel, and municipal power applications. Our UL-508-certified panel manufacturing includes digital excitation systems, governor controls, and protection relays with open-architecture hardware that reduces lifecycle costs while improving system reliability.
Rail Equipment Repair
As a leading rail industry supplier, we repair traction motors, alternators, and auxiliary equipment for Class I railroads and transit agencies. Our AAR M-1003-certified facilities provide 24/7 emergency services, unit exchange programs, and locomotive truck customization to maintain fleet reliability and regulatory compliance.
Questions
What industries do you serve?
We specialize in rail transportation, power generation, mining, pulp & paper, municipal utilities, and industrial manufacturing sectors requiring critical power equipment maintenance.
Do you offer emergency repair services?
Yes, our dedicated fleet and 24/7 service teams provide emergency response with no-load testing capabilities up to 2,500 kVA and full-load testing up to 800 HP.
Are your facilities certified to industry standards?
We maintain ISO 9001 quality certification and UL 508 listing, with four AAR M-1003-certified locations for rail equipment repair and hazardous location motor rebuilding.
What power control solutions do you provide?
We design digital excitation systems, hydraulic governors, and protection relays for hydroelectric and fossil fuel plants using open-architecture hardware that reduces spare parts costs and improves system diagnostics.
How do you ensure equipment reliability?
Through predictive maintenance programs combining vibration analysis, thermographic testing, and root cause bearing failure investigations that identify and resolve recurring issues at their source.
