Business Details
50 Years
experience
Expert Electrical & Mechanical Engineering Solutions
Fagerstrom Engineering is a professional engineering consulting firm committed to delivering top-quality, cost-effective, and efficient engineered solutions that serve the best interests of our clients and communities. We are dedicated to the highest standards of performance, guided by a strong belief in providing personalized attention and thoughtful consideration to each client's unique needs. Founded in 1976, our firm has served mechanical and electrical engineering needs across California and internationally, with projects spanning seven U.S. states, Europe, the Middle East, and South America.Our team of registered professional engineers brings decades of combined experience in project management, system design, and technical analysis, specializing in power systems, renewable energy integration, and critical infrastructure design.
Services
Electrical Engineering
Mechanical Engineering
Expert Witness
Solar PV Systems
Hydro Generation
Arc Flash Analysis
Smoke Control Systems
HVAC Design
Control Systems
Fire Protection
Details
- Year established: 1976
Highlights and features
- We offer over 40 years of combined experience in electrical and mechanical engineering.
- Our team includes registered professional engineers in multiple disciplines.
- We provide advanced modeling and simulation for critical infrastructure systems.
- Our multidisciplinary approach addresses complex engineering challenges holistically.
- We serve clients across seven U.S. states and international markets.
Services
Electrical Engineering
Our electrical engineering services cover power distribution, emergency systems, arc flash studies, and generator integration. We provide advanced modeling and real-world design support for critical electrical infrastructure, including Smart Grid technologies and utility-scale power systems. Our expertise ensures safe, code-compliant installations that meet performance and reliability requirements across diverse facility types.
Mechanical Engineering
We design and analyze mechanical systems for safe, energy-efficient buildings and infrastructure. Our services include chilled water systems, steam systems, industrial ventilation, and fire protection. We apply practical engineering principles to create HVAC solutions that optimize comfort, air quality, and energy efficiency in commercial, industrial, and healthcare facilities.
Expert Witness
Our engineers provide authoritative technical analysis for high-stakes disputes involving power systems and renewable energy infrastructure. We conduct forensic investigations, system modeling, and standards-based reporting to support legal proceedings. Our services include fault analysis, equipment failure evaluation, and expert testimony for utility, government, and industrial clients.
Solar PV Systems
We offer comprehensive solar PV system services including performance modeling, inverter diagnostics, grounding evaluation, and grid integration analysis. Our engineers conduct production underwriting investigations, design liability assessments, and power quality evaluations to ensure optimal system performance and compliance with industry standards for commercial and utility-scale installations.
Hydro Generation
Our hydro generation engineering services include capital improvement planning, emergency return-to-service support, and machine performance analysis. We provide startup commissioning, outage support, and analytical balancing services for hydropower facilities. Our team specializes in generator inspection, rotor refurbishment, and protection system coordination for reliable hydropower operations.
People
Lars O. Fagerstrom
Principal Engineer
Over 40 years of experience in mechanical, electrical, and control systems engineering. Registered professional engineer in California with expertise in chilled water systems, industrial ventilation, and energy auditing. Graduated from Stockholm Institute of Technology.
Sven E. Fagerstrom
Principal Engineer | President
30+ years of experience in electrical and control systems engineering. Specializes in power systems analysis, Smart Grid technologies, and hydro power generation. Holds MS and BSEE degrees from California State University at Fresno. Registered Electrical Engineer #20630 in California.
Lars M. Fagerstrom
Director of Human Resources, Project Engineer
15+ years of experience in electrical and mechanical systems design. Expertise in HVAC systems, fire/life safety systems, and industrial control systems. Specializes in PLC programming and building energy calculations. Certified AutoCAD expert with healthcare systems design experience.
Questions
What engineering services does Fagerstrom Engineering offer?
We provide electrical, mechanical, and control systems engineering services, including power systems analysis, HVAC design, renewable energy integration, and expert witness support for technical litigation.
Do you offer expert witness services for power system disputes?
Yes, we provide technical litigation support including forensic investigations, system modeling, and expert testimony for power system and solar PV infrastructure disputes.
What industries do you serve?
We serve utility companies, government agencies, industrial facilities, healthcare institutions, and commercial clients across seven U.S. states and international markets.
Can you help with hydropower generation projects?
Yes, we offer comprehensive hydro generation engineering services including capital improvements, emergency return-to-service support, and machine performance analysis for hydropower facilities.
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