Power transformer buying
J&J offers used, pre-owned, rebuilt and reconditioned power transformers for substation and generator step-up projects. Current documented opportunities include ABB rebuilt lots, Westinghouse reconditioned and rebuilt offers, a pre-owned ABB 115/13.2 kV GSU and a reconditioned 65 MVA 138/13.8 kV GSU. Compare the actual MVA stages, winding voltages, service history and work scope; request current photos, inspection access, price and written allocation through Tommy.
J&J Transformers LLC · Sugar Land, Texas · Serving projects nationwide
Tommy Marco · tommy@jjtransformers.com
Current transformer listings
Start with the public ratings below. Call or email Tommy for current availability, pricing, photos and the technical package. Each unit needs project-specific engineering review and remains subject to prior sale.
Technical records reviewed
Email for Specs, Price & AvailabilityTechnical records reviewed
Email for Specs, Price & AvailabilityTechnical records reviewed
Email for Specs, Price & AvailabilityTechnical records reviewed
Email for Specs, Price & AvailabilityTechnical records reviewed
Email for Specs, Price & Availability5 separate used, pre-owned, rebuilt or reconditioned listings are published. Each has its own condition basis and open technical questions. A historical test or rebuild is separate from current inspection, readiness to energize and allocation.
Pre-owned describes a prior ownership history; it does not establish whether equipment was energized. Previously used equipment needs an operating and maintenance history. Rebuilt or refurbished equipment needs a documented work scope and tests after the work. Unused surplus belongs in a separate condition category.
The public lot has a delta high-side winding and a grounded-wye low side. Its published maximum is 59.7 MVA at the stated 65°C basis. Compare each unit's cooling stages, winding connection, taps, insulation and included accessories with the required duty; the lot is not a 100 MVA offering.
The 115/24.9 kV offer represents two 12/16/20/22.4 MVA reconditioned units with new bushings. The separate 66 MVA Westinghouse/GE pair has a supplied report for one unit showing 140.9 kV delta / 34.5 kV wye, different from the nominal 138 kV offer description. Recorded valve leaks and a broken gauge need present repair verification; no readiness-to-energize claim is made.
Request the nameplate, known operating history, preservation records, recent photographs, electrical tests and all documented repair or rebuild work. Ask which records are missing. Match each report to the physical unit and agree on inspection and acceptance requirements before purchase.
A used transformer price is only one part of the comparison. Review technical compatibility, inspection and testing, required accessories or work, loading, transport, offloading and commissioning responsibilities. A lower purchase price cannot resolve a mismatched winding or insufficient continuous rating.
Email Tommy the existing nameplate or one-line, required MVA and cooling duty, high- and low-side voltage, winding connections, frequency, quantity, destination and required arrival date. State whether previously energized, rebuilt or only unused equipment is acceptable.
Written quotes and supporting records control unit-specific ratings, availability, condition, price, and delivery.
J&J reviews used and rebuilt transformer requirements and publishes specific documented opportunities. ABB rebuilt and Westinghouse reconditioned/rebuilt offers are shown separately from new/unused inventory. Read each condition and documentation limit; current availability requires written confirmation.
No. Prior ownership does not establish refurbishment or operating history. Request the condition statement, any documented work scope and the relevant tests for the exact unit.
No. Warranty provider, coverage, start date, exclusions and inspection terms are specific to the quoted unit. Ask for written terms before relying on a warranty claim.
