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Multiple OEMs

Large Power / GSU Transformer — 60–150 MVA, 230 kV class

Used and surplus large power and generator step-up (GSU) transformer for sale — 60–150 MVA at the 230 kV level, oil-immersed with ONAN/ONAF/ODAF cooling, sourced against multi-year OEM queues.

Available
Condition: Used and surplus. Lead time: In stock — OEM new-build runs 2–4 years.Request a quote →
Multiple OEMs
Power transformer
230 kV
Oil-immersed
ONAN/ONAF/ODAF

Used and surplus large power and generator step-up (GSU) transformers in the 60–150 MVA, 230 kV class available for sale through Pantheon. They connect generation and bulk transmission at utility and merchant power plants and at large datacenter interconnections — oil-immersed with ONAN/ONAF/ODAF cooling and on-load tap changers, built to IEEE C57.12 / IEC 60076. OEM lead times for this class currently run two to four years, GSU transformers longer still; in-stock and surplus units compress that schedule from years to weeks. Typical OEMs include Hitachi Energy, GE Vernova, Siemens Energy, and Virginia Transformer. Exact rating, hours, and configuration confirmed at quote.

Specifications

Asset typeLarge power / GSU transformer
Rating60–150 MVA
Voltage class230 kV class
CoolingOil-immersed · ONAN/ONAF/ODAF
Tap changerOLTC
StandardsIEEE C57.12 / IEC 60076
Typical OEMsHitachi Energy · GE Vernova · Siemens Energy · Virginia Transformer
ConditionUsed and surplus

Specifications shown are headline figures. Confirm full configuration details when you request a quote.

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