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Business Details
41 Years
experience
Trusted Electrical Engineering Services in Phoenix, AZ
Tor Engineering, founded in 1985 by Thomas O. Radnoti, has been a trusted provider of electrical engineering services for over four decades. Based in Phoenix, Arizona, we specialize in delivering innovative solutions for electrical substation, transmission, and distribution systems, serving utilities, municipalities, government agencies, and private clients across the Southwestern United States and beyond. Our team of licensed professional engineers combines technical expertise with a commitment to excellence, ensuring reliable and efficient energy infrastructure.

We pride ourselves on fostering a collaborative environment where creativity and experience drive long-term client relationships. From greenfield installations to complex system upgrades, our work supports modernized energy grids and future-ready power solutions. With decades of experience and a focus on continuous improvement, we partner with clients to navigate evolving industry challenges and deliver tailored engineering services that meet the highest standards of quality and safety.
Services
Electrical Substations Electrical Transmission Electrical Distribution Automation & Studies Power System Consulting
Details
  • Year established: 1985
Highlights and features
  • We offer 40+ years of specialized electrical engineering experience.
  • Our team includes licensed professionals in multiple states.
  • We provide end-to-end solutions for complex energy systems.
  • We maintain a client-focused approach with collaborative partnerships.
  • We combine technical expertise with cutting-edge automation solutions.
Services
Electrical Substations
We provide comprehensive substation engineering solutions from 4.16kV to 500kV, including greenfield installations, rebuilds, and upgrades. Our services cover air-insulated and gas-insulated systems, protection controls, and integration with existing infrastructure. Clients benefit from reliable, safety-focused designs that future-proof energy delivery systems.
Electrical Transmission
Our transmission line engineering spans 69kV to 500kV, offering structural design, routing, and regulatory compliance solutions. We optimize conductor performance and address environmental challenges while ensuring projects stay on schedule. Clients receive innovative designs that balance technical precision with operational efficiency for new installations and upgrades.
Electrical Distribution
We design overhead and underground distribution systems for urban and remote areas, incorporating smart grid technologies and reliability enhancements. Services include cable calculations, plan profiling, and infrastructure modernization. Clients gain adaptable solutions that meet current energy demands while preparing for future advancements in power delivery networks.
Automation & Studies
Our automation team delivers SCADA systems, relay programming, and technical analyses like arc flash and power flow studies. We provide actionable insights for grid optimization and regulatory compliance. Clients receive customized automation solutions that enhance system performance and operational control through real-time monitoring and advanced analytics.
Power System Consulting
We offer end-to-end consulting for energy systems including feasibility studies, permitting, and construction support. Our expertise spans substation, transmission, and distribution projects with a focus on innovation and sustainability. Clients partner with us for tailored engineering services that address complex challenges in modern energy infrastructure development.
People
Mario Acevedo
President
Mario Acevedo leads TOR Engineering with strategic vision, driving growth and innovation in electrical engineering solutions while maintaining the company's legacy of excellence since 1985.
Darla Jackson
Chief of Finance
Darla Jackson oversees financial operations, ensuring fiscal stability and strategic resource allocation to support TOR Engineering's long-term client partnerships and project execution capabilities.
Gerardo Brignone
VP of Transmission and Distribution Operations
Gerardo Brignone manages transmission and distribution projects, leveraging technical expertise to deliver reliable infrastructure solutions that meet evolving energy demands across diverse geographic regions.
Nenad Metlic
VP of Substation Operations
Nenad Metlic leads substation engineering initiatives, specializing in high-voltage systems design and implementation to ensure safe, efficient power delivery for utility and private sector clients.
Steve Nappa
VP of Business Development
Steve Nappa drives business growth strategies, expanding TOR Engineering's market presence while fostering partnerships that advance innovative energy solutions for public and private clients.
Questions
What electrical engineering services do you specialize in?
We specialize in substation, transmission, and distribution system design, along with automation solutions and power system studies for utilities and infrastructure projects.
How long has your company been in business?
TOR Engineering has provided electrical engineering services since 1985, maintaining a legacy of innovation and technical excellence for over four decades.
Which geographic areas do you serve?
We primarily serve the Southwestern United States but have project experience extending beyond this region for major utility and infrastructure clients.
What voltage ranges do your services cover?
Our substation services range from 4.16kV to 500kV, with transmission lines from 69kV to 500kV and distribution systems from 120V to 69kV.
Do you work with both public and private sector clients?
Yes, we serve major utilities, government agencies including military projects, municipalities, and private sector clients across various industries.
What makes your engineering approach unique?
We combine technical expertise with automation integration and regulatory compliance strategies to deliver tailored solutions that balance innovation with operational reliability for energy infrastructure.
Reviews (1)
James Wister
May 25, 2021 Report
Critical: Professionalism Cheap contractor that doesn't respect employees sick or not. Very demanding. I'd stay away.