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High Voltage Power Transformers for Sale

Explore power-transformer inventory with a listed high-side voltage of 69 kV or above. This catalog grouping helps buyers navigate the equipment; maximum system voltage, insulation levels and engineering acceptance are reviewed separately.

79 catalog listings · 45 new/unused · 27 pre-owned

Submit your specifications
What the matching catalog currently lists
Capacity range5–600 MVA based on each listing’s maximum stated rating. Full ratings and cooling conditions govern usable capacity.
Low-side options in this collection115/69 kV, 12.47 kV, 13.2 kV, 13.8 kV, 13.8 kV + 13.8 kV separate windings, 13.8 kV at 60 Hz, 138 kV, 14.4 kV, 15 kV, 15.5 kV, 15.5/17.5/19 kV, 21.6 kV, 22 kV, 24 kV, 24.9 kV, 24.94 kV, 30 kV, 33 kV, 34 kV, 34.5 kV, 36.3 kV, 4.16/2.4 kV, 69 kV, 7200/12470Y/7200 V. Multiple options do not establish simultaneous windings.
AvailabilitySubject to prior sale and written confirmation. Listing counts are not unit quantities; no dispatch date is guaranteed by catalog inclusion.

Matching transformer listings

Technical selection

Nominal voltage is only the first screen.

Ask for winding voltages, insulation levels, connection diagrams, neutral arrangements and tap ranges. Keep exact ratings distinct: a 138 kV listing, a 140.9 kV listing and a 145 kV listing are not automatically interchangeable. The owner’s insulation-coordination and system studies control selection.

Compare condition and documentary evidence

For new/unused equipment, confirm storage and preservation, factory records, completeness and any transferable warranty. For pre-owned equipment, request operating and maintenance history, removal details, oil and electrical testing, and documented repairs. A catalog condition label does not establish a remaining service life or test result.

Request the unit-specific package

Ask for the nameplate, winding diagram, general arrangement, available tests, accessory list, shipping configuration, weights and oil information. List missing records and proposed inspections in the purchase review.

Read the related procurement guide

Make delivery part of
the equipment decision.

Confirm origin and destination, site access, preparation, oil handling, accessory shipments, transport permits, offloading and installation scope. Agree whether a quoted date means factory release, pickup, site arrival or readiness for commissioning.

Discuss turnkey delivery and installation
Where can I buy this transformer configuration?

Contact Transformer Traders using the equipment ID from this collection or submit your specification. We review published inventory and additional sourcing opportunities, with price, availability and scope confirmed in writing.

Can an available unit be delivered immediately?

Catalog availability is not a dispatch commitment. Document review, inspection, preparation, loading, permits and receiving-site readiness determine the delivery plan for the individual unit.

What if none of the listed equipment fits?

Send the mandatory ratings, winding voltages, physical constraints, quantity and deadline. We can review other surplus and pre-owned sources or discuss a new-build option. Engineering acceptance remains project-specific.

Continue your equipment search

New & unused inventory · Used & pre-owned inventory · Documentation checklist · New-build options

Request a technical package.

Include an equipment ID or your required MVA, voltages, quantity, location and delivery date.

Discuss your projectCall (248) 250-0407