Power transformers for sale.
GSU, substation and surplus power transformers for data centers, utilities, EPCs and industrial projects nationwide.
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J&J Transformers LLC is a power transformer supplier in Sugar Land, Texas, serving projects nationwide. Compare GSU, substation and surplus power transformers for sale, plus diesel generators, natural gas generators, gas turbines and steam power plants. Call Tommy at 346-276-9540 or email tommy@jjtransformers.com for specifications, price and current written availability.
About our equipment listings
Compare each listing's rating, condition, frequency, package scope and evidence. Generator and turbine positions are based on received written offers; current availability requires reconfirmation. Record-review dates are not new availability checks. Call or email Tommy with the J&J reference for specifications, price, allocation and delivery terms.
Transformer sales
Transformers for sale by voltage
Compare power transformer, GSU and substation requirements by voltage. Each offer retains its exact nameplate ratings, condition and included scope.
Large projects. Clear equipment scope.
Substation to campus.
One project supply conversation.
High-MVA and high-kV transformer requirements, plus volume orders of padmounts and dry types from 500 kVA, switchgear and circuit breakers. Send the schedule you already use.
Completed equipment sales
Four confirmed transformer projects for data centers, utility temporary power and bitcoin power requirements.
SOLDTwo 100 MVA Waukesha Transformers for Data-Center Power
Two identical Waukesha transformers, each rated 100 MVA at 138/13.8 kV, sold by J&J for a data-center project.
SOLD75 MVA Prolec Transformer for a Texas Data Center
A 75 MVA Prolec transformer with 69/34.5 kV Wye–Wye windings, supplied by J&J for a Texas data center.
SOLD30 MVA GE Transformer for Temporary Utility Power
A 30 MVA GE transformer with a 69 kV primary, supplied by J&J to support a utility customer’s temporary-power requirement.
SOLD46/12.47 kV Wye–Wye Transformer for Bitcoin Power
A Federal Pacific transformer with a 46/12.47 kV Wye–Wye configuration, supplied by J&J for a bitcoin company’s power requirement.
Meet Tommy Marco
Over 10 years selling transformers.
J&J’s owner and CEO works directly with data centers, utilities, EPCs and industrial buyers on equipment requirements, technical records and purchase arrangements.
J&J Transformers LLC supplies power equipment nationwide from Sugar Land, Texas. Work directly with Tommy on specifications, purchase terms and delivery.
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Buy or sell equipment
Need equipment that isn’t listed?
Send your ratings, voltages, quantity and delivery date.
Email for AvailabilityOffering equipment?
Email the nameplate, photos, condition and location.
Offer equipmentWhere is the equipment located?
Equipment dispatch and inspection locations are confirmed privately with J&J when reviewing the quotation. J&J is based in Sugar Land, Texas and serves projects nationwide.
What if my required unit isn’t listed?
Email Tommy your MVA or MW, voltages, quantity and required delivery date. J&J supplies transformers, generators and turbines for projects nationwide.
How do I confirm availability?
Call 346-276-9540 or email tommy@jjtransformers.com. Current condition, availability, price and delivery are confirmed in writing; subject to prior sale.