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 from 5 MVA to 750 MVA through 765kV. The company also provides mobile transformers, shunt reactors, and custom specialty designs engineered transformers for Utilities, Data Centers, Renewables, BESS and Industrial Applications. With decades of proven expertise, PTT delivers reliable, U.S.-assembled solutions engineered to meet demanding performance, safety, and efficiency standards.
Pennsylvania Transformer Technology provides 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.
Pennsylvania Transformer Technology delivers custom-engineered pad-mount and substation transformers with capacities from 500 kVA to 7,500 kVA and voltage levels up to 46kV, combining advanced safety, efficiency, and durability features to power utilities, renewables, data centers, and industrial operations with reliable performance.
Pennsylvania Transformer Technology, in partnership with Elgin Power Solutions, delivers U.S.-produced mobile transformers and substations up to 50 MVA and 230kV, combining proven transformer expertise with advanced system design to provide reliable, high-quality solutions for utilities, industry, and critical infrastructure.
Pennsylvania Transformer Technology runs one of the only U.S. facilities delivering extra-high voltage shunt reactors, engineering oil-filled designs up to 150 MVAr and 345kV that provide reactive power compensation, voltage control, overvoltage protection, and improved grid stability for long transmission lines.
Purpose: Transmission, grid interconnection, and system voltage transformation. Ratings:69–500 kV, 50–800 MVA
Purpose: Supplying continuous, high-load power to production and process facilities. Ratings:34.5–161 kV, 10–200 MVA
Purpose: Step-up, connect and integrate renewable generation (solar farms, wind farms, battery energy storage systems) into the transmission/distribution grid. Ratings: 34.5kV low-side, high-side 115kV / 161kV / 230kV / 345kV; MVA roughly 50-500 MVA
Purpose: Stepping down and isolating power from medium/primary voltage to serve main switchgear, UPS systems, PDUs and IT loads in Tier III/IV data centers. Ratings:13.8kV – 34.5kV medium-voltage input; 480 V/400 V low-voltage output; ~ 500 kVA – 20 MVA typical
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 design—reach us below to get expert help from our engineering, sales, or technical services teams.
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