Pennsylvania Transformer Technology, LLC
PAD-MOUNT  DISTRIBUTION TRANSFORMERS

Power When and Where You Need It — High-Voltage Mobile Transformer & Substation Solutions up to 245kV / 40+ MVA

HV Power Transformer 40 MVA, 3-Phase
Reliable Mobile Power Transformation Solutions

PTT, in partnership with Elgin Power Solutions, delivers mobile transformers and substations engineered for utility-grade, fully transportable performance. These units offer up to 245kV and 40+ MVA with rapid deployment, integrated protection, and flexible configurations for emergency response and grid support. They serve a wide range of markets with reliable, ISO-certified engineering and SCADA-ready monitoring.

Experience the same trusted performance and reliability you expect from PTT’s oil-filled power transformers—now available in our utility-grade mobile power transformers and mobile substation solutions. Through a partnership with Elgin Power Solutions, PTT combines advanced transformer design with expert mobile substation integration, protection, and control systems. Together, we deliver dependable, ready-to-deploy temporary power solutions for utilities, industrial facilities, and emergency power restoration needs.

Utility-Grade Mobile Substations & Power Transformers

Capacities from 245 kVA / 40+ MVA

  • Voltages up to 245kV with MVA ratings up to 40+ MVA (3-phase on one trailer)
  • Series multiple configurations
  • LTC or non-LTC configurations
  • On- and off-road capabilities
  • Air-ride trailer suspension
  • Custom welded trailer construction minimizes deflection
  • Compliant with state and federal highway regulations
  • Mobile substations available with circuit breakers, circuit switchers, etc.

Flexible, Reliable Mobile Transformer Solutions

PTT’s utility-grade mobile substations deliver reliable, high-performance power in a fully transportable, rapid-deployment package—combining mobile power transformers, protection systems, and precision engineering. Each unit is custom-built to meet your specific operational and voltage requirements, providing unmatched flexibility for temporary power, emergency response, grid support, and system expansion applications. These mobile substation solutions give utilities and industrial operators the dependable, ready-to-energize equipment needed to keep critical operations online.

​MVA Ratings

Utility-Grade Performance

Cooling System Options

Flexible Power Support

Voltage Rating

Fully Transportable Design

Impedance

Custom-Built Solutions

Customizable Mobile Power Solutions
  • Rapid Deployment: Mobilizes in hours, minimizing downtime during substation maintenance or emergencies.
  • Grid Resilience: Provides immediate backup power capacity during system outages or infrastructure upgrades.
  • Flexible Integration: Designed to work across various utility and industrial applications with customizable voltage and relay options.
  • Reduced Project Risk: Factory-tested and field-proven system ensures reliable startup and stable operation under full load.
  • Operational Efficiency: SCADA-ready with comprehensive monitoring and control systems for remote diagnostics and performance management.
Ask How PTT Can Deliver on Your Power Transformer Specifications