Substation Transformers for Sale — New, Used, and Reconditioned CTG Power Systems carries one of the largest inventories of surplus substation transformers in North America. We stock new, used, and fully reconditioned units across a broad range of sizes — from 300 KVA all the way to 650 MVA and beyond. Our inventory includes three primary types: Generator Step-Up Transformers (GSU) — for utility and power generation applications Step-Down Transformers — for industrial facilities, substations, and distribution systems Distribution Transformers — for smaller commercial and municipal applications We carry equipment from leading manufacturers including GE, Westinghouse, ABB, Square D, Siemens, Kuhlman, Federal Pacific, Waukesha, and more. Fluid options include standard mineral oil, high-flashpoint Silicone, and FR3/Envirotemp — suited for environmentally sensitive or fire-rated installations. With transformer lead times from major OEMs running 2–4 years, surplus inventory is the fastest path to getting equipment in the field. CTG has units available for immediate sale and lease, with shipping coordinated to any location worldwide. Our team is available 24/7/365.