Pennsylvania Transformer Technology, LLC (PTT) is a U.S.-owned company under Quanta Services with roots going back to 1929, recognized as a trusted leader in manufacturing oil-filled power transformers for utility and industrial markets in North America. The company designs and produces a full range of transformers—from 5 MVA to 750 MVA through 765kV—covering applications such as generator step-up units, autotransformers, grounding/z-zag units, mobile units, and shunt reactors. With ISO 9001:2015-certified facilities in Canonsburg, PA and Raeford, NC, PTT combines advanced engineering tools (like 3D modelling and finite-element analysis), large-scale manufacturing assets and full life-cycle service support to deliver reliable high-performance solutions.
Pennsylvania Transformer Technology, LLC (PTT) is a Quanta Services company and a trusted leader in oil-filled power transformer production. Serving Utilities, Data Centers, Renewables, BESS and Industrial markets across the USA and Canada, we provide proven reliability and nearly a century of transformer expertise.
We provide a full range of transformer sizes from 5 MVA to 750 MVA through 76kV. Our engineering and production expertise allow us to meet diverse power requirements.
PTT has invested heavily in its U.S. production facilities, delivering world-class capabilities.
Our ISO-based systems guarantee maximum dielectric and short-circuit strength, producing transformers with long, trouble-free service lives.
PTT goes beyond high voltage transformer production by offering comprehensive parts, field service, and technical support.
CANONSBURG, PA OPERATIONS The former site of McGraw-Edison and Cooper Power Systems transformer operations has undergone extensive modernization to make it a state-of-the-art transformer production facility
Location • 30 Curry Avenue., Canonsburg, PA 15317• 20 miles from Greater Pittsburgh International Airport• Near the intersection of Interstate Highways 79 and 70• Visible From I-79 at Canonsburg Exit 45 Plant • 90 Acres of Land • 18 Buildings, 1 million square - feet Features • Test Capability: 765 kV, 2400 kV BIL • 500 Tons of Lifting Capacity • North America’s largest GEORG Automatic Core Cutting and stacking Line • 200,000 square-foot Tank Fabrication Bay• Certified ISO 9001:2015 with Design
RAEFORD, NC OPERATIONS Our Raeford, NC facility was built in 1992 and is devoted to the production of small power transformers and distribution transformers
Location • 201 Carolina Dr., Raeford, NC 28376• 20 Miles From the Fayetteville, NC Airport• 2 Hours from Raleigh, NC Airport• 10 Acres of Land• 56,000 square - feet Features • Test Capability: 161kV, 650 kV BIL• 60 Tons of Lifting Capacity• Vacuum Oil Filling• Vapor-phase Processing• Oil De-aeration Facility
