High-Capacity Power & Specialty Transformers
5–600 MVA, up to 345 kV
Power & Specialty Transformer Experts
Pennsylvania Transformer Technology offers a full range of power and specialty transformers, from compact pad-mount and substation units to large generator step-up and autotransformers, with ratings up to 600 MVA and 345 kV. The company also provides mobile transformers, shunt reactors, and custom specialty designs engineered for utilities, industrial facilities, and critical infrastructure. With decades of proven expertise, PTT delivers reliable, U.S.-made solutions built to meet demanding performance, safety, and efficiency standards.
Comprehensive Power Transformer Solutions & More
Custom Transformer Solutions Delivered
Pennsylvania Transformer Technology manufactures a wide range of specialty transformers—including transit, furnace, mobile, unit substation, zig-zag, and series-multiple designs—along with options for three-phase regulators and alternative fluid solutions to meet diverse utility, industrial, and infrastructure needs.
Pad-Mount & Substation Transformers
Pennsylvania Transformer Technology delivers custom-engineered pad-mount and substation transformers up to 7,000 kVA and 34.5 kV, combining advanced safety, efficiency, and durability features to power utilities, renewables, data centers, and industrial operations with reliable performance.
Mobile Transformers & Substations
Pennsylvania Transformer Technology, in partnership with Elgin Power Solutions, delivers U.S.-made mobile transformers and substations up to 50 MVA and 230 kV, combining proven transformer expertise with advanced system design to provide reliable, high-quality solutions for utilities, industry, and critical infrastructure.
U.S. Shunt Reactor Manufacturing Leader
Pennsylvania Transformer Technology is one of the only U.S. manufacturers of extra-high voltage shunt reactors, delivering oil-filled designs up to 150 MVAr and 345 kV (with plans to 765 kV) that provide reactive power compensation, voltage control, overvoltage protection, and improved grid stability for long transmission lines.
QUESTIONS...LET'S TALK
Need assistance or want to discuss how our power transformer solutions can support your utility or industrial project? Contact Pennsylvania Transformer Technology, a U.S.-based leader in transformer manufacturing—reach us below to get expert help from our engineering, sales, or technical services teams.
CONTACT PTT