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Main Step-Up GSU Transformers

Global (GPS) provides high quality power transformers for fast track projects and emergencies. We feature main step-up transformers and also offer plant auxiliary transformers and medium power substation transformers. Our list of ready to ship inventory includes new surplus and reconditioned equipment.

We also provide remanufactured transformers with new copper windings, new insulation and new controls. We can deliver plant auxiliary transformers with single or dual LV windings in under 30 weeks at a significant cost savings. To support expedited delivery, we frequently purchase used transformers for sale or rewind.

Please follow the link below to view a list of our available inventory. We are continuously updating this list of available equipment and we are able to remanufacturer certain of these transformers to fit your application. Contact us with your transformer needs. Warranties are available on specific equipment.


69 kV Class and Below
Main Step-Up Transformers under 72 kV. All units with 350 kV BIL and under.
115 kV - 161 kV Class
Main Step-Up Transformers with BIL levels between 450kV and 650kV.
230 kV Class
Main Step-Up Transformers with 750 kV BIL.
345 kV Class
Main Step-Up Transformers with 1050 kV BIL.
500 kV Class
Main Step-Up Transformers with 1550 kV BIL and up.
Substations and Plant Aux.
All Step Down and Autotransformers.
50 hz Transformers
Main Step-Up 50 hz Transformers.
Padmount Transformers
Padmount transformers available in wide range of voltages.