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    • Home
    • Inventory
      • New Unused
      • Pre Owned
    • Services
      • Sourcing Beyond Inventory
      • Full-Service Solutions
      • Sell Your Surplus
    • Market Insights
    • Founder Experience
    • Contact
  • Home
  • Inventory
    • New Unused
    • Pre Owned
  • Services
    • Sourcing Beyond Inventory
    • Full-Service Solutions
    • Sell Your Surplus
  • Market Insights
  • Founder Experience
  • Contact

Your Marketplace for Power Transformers

Your Marketplace for Power TransformersYour Marketplace for Power TransformersYour Marketplace for Power Transformers

Explore our extensive inventory of high-performance power transformers

Transformer Inventory

⚡ Recent Sales ⚡

150mva THREE PHASE

(2) 180/240 MVA aUTO tRANSFORMERS

(2) 180/240 MVA aUTO tRANSFORMERS

⚡  SOLD - JUN 2026  ⚡ 

Delivered to Utility Partner Supporting Data Center Development

(2) 180/240 MVA aUTO tRANSFORMERS

(2) 180/240 MVA aUTO tRANSFORMERS

(2) 180/240 MVA aUTO tRANSFORMERS

High-voltage electrical transformers separated by a concrete barrier in an outdoor substation.

⚡  SOLD - JAN 2026  ⚡ 

Delivered to Utility Partner 

(2) 80MVA Siemens Mobile Subs

(2) 180/240 MVA aUTO tRANSFORMERS

(2) 80MVA Siemens Mobile Subs

60MVA SIEMENS MOBILE SUBS SOLD.

⚡  SOLD - NOV 2025  ⚡ 

In Service at Data Center Project 

80 MVA Three Phase

108/144/180MVA Three Phase

(2) 80MVA Siemens Mobile Subs

 ⚡  SOLD  - SEPT 2025  ⚡

 Delivered to Utility Partner 

138/69 kV Three Phase

108/144/180MVA Three Phase

108/144/180MVA Three Phase

138/69 KV THREE PHASE SOLD

 ⚡  SOLD  - AUG 2025  ⚡

 Delivered to Utility Partner 

108/144/180MVA Three Phase

108/144/180MVA Three Phase

108/144/180MVA Three Phase

DRAWING 108/144/180MVA THREE PHASE SOLD

⚡  SOLD - FEB 2025  ⚡

 Delivered to Utility Partner 

⚡NEW ARRIVALS⚡

These units reflect current market opportunities and are updated frequently, ideal for buyers seeking near-term availability without long manufacturing lead times.

GE 115kV - 13.8kV 3 Phase Transformer

(2) Prolec 161kV - 34.5kV New/Unused 3 Phase Transformers

WEG 161kV - 34.5kV New/Unused 3 Phase Transformer

April 2026

115kV - 13.8kV – 28 MVA – 3 Phase Transformer

  •  Manufacturer: GE
  •  Year Built: New / Unused
  • Type: 3 Phase
  • Rating: 28 MVA
  • Voltage Class: 115kV - 13.8kV
  • Status: Available now
  • Location: Southwest U.S.

WEG 161kV - 34.5kV New/Unused 3 Phase Transformer

(2) Prolec 161kV - 34.5kV New/Unused 3 Phase Transformers

WEG 161kV - 34.5kV New/Unused 3 Phase Transformer

February 2026

 (1) 161kV – 34.5kV – 3 Phase Transformer 

  •  Manufacturer: WEG
  •  Year Built: New / Unused
  • Type: 3 Phase
  • Rating: Unit 1 – 72 / 96 / 120 MVA
  • Voltage Class: 161kV / 34.5kV
  • Status: Available now
  • Location: U.S. 

(2) Prolec 161kV - 34.5kV New/Unused 3 Phase Transformers

(2) Prolec 161kV - 34.5kV New/Unused 3 Phase Transformers

(2) Prolec 161kV - 34.5kV New/Unused 3 Phase Transformers

February 2026

 (2) 161kV – 34.5kV – 3 Phase Transformers 

  •  Manufacturer: GE Prolec
  •  Year Built: New / Unused
  • Type: 3 Phase
  • Rating: Unit 1 – 90 / 120 / 150 MVA
  • Rating: Unit 2 – 60 / 80 / 100 MVA
  • Voltage Class: 161kV / 34.5kV
  • Status: Available now
  • Location: U.S. 

Transformer West Inc. 25kV - 12.47kV – Mobile Substation

Transformer West Inc. 25kV - 12.47kV – Mobile Substation

(2) Prolec 161kV - 34.5kV New/Unused 3 Phase Transformers

January 2026

25kV - 12.47kV – 20/27 MVA – Mobile Substation

  • Manufacturer:  U.S. Transformer West, Inc. 
  • Year Built: 2020
  • Type: 3 Phase Auto
  • Rating: 20MVA (27MVA w/fans)
  • Voltage Class: 25kV / 12.47kV
  • Status: Available now
  • Location: Central US

(2) Waukesha 138kV - 13.8kV – 3 Phase Transformers

Transformer West Inc. 25kV - 12.47kV – Mobile Substation

(2) Waukesha 138kV - 13.8kV – 3 Phase Transformers

December 2025

(2) 138kV - 13.8kV – 36/48/60 MVA – 3 Phase Transformers 

  • Manufacturer: Waukesha
  • Year Built: 2012
  • Type: 3 Phase Auto
  • Rating: HV 72/96/120 MVA
  • Rating: LV 36/48/60 MVA
  • Voltage Class: 230kV / 13.8kV
  • Status: Available now
  • Location: Midwest

XD 115kV - 34.5kV – 3 Phase Transformer

Transformer West Inc. 25kV - 12.47kV – Mobile Substation

(2) Waukesha 138kV - 13.8kV – 3 Phase Transformers

XD 115kV / 34.5kV – 3 Phase Transformer

December 2025

115kV - 34.5kV – 54/72/90 MVA – 3 Phase Transformer

  • Manufacturer: XD
  • Year Built: 2012
  • Type: 3 Phase 
  • Rating: 54/72/90 MVA
  • Voltage Class: 115kV / 34.5kV
  • Status: Available now
  • Location: South

Who We Serve

High-Voltage Transformer Sourcing for Data Centers and Electric Utilities

Transformer Traders is a specialized power transformer brokerage and marketplace focused on sourcing and selling large power transformers for utilities, data centers, and energy developers. We provide GSUs, high-voltage utility-grade transformers, and mission-critical power equipment that meet strict technical requirements, delivery schedules, and reliability standards. We work directly with transformer owners, manufacturers, power producers, and data center operators to place surplus and new-build transformers with qualified end users across North America and global markets. 

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Our Partners

Toshiba partner logo
waukesha transformer partner
GE Vernova partner logo
Georgia Transformers Partner
  • Georgia Transformers Partner
  • Toshiba partner logo
  • waukesha transformer partner
  • GE Vernova partner logo
  • Georgia Transformers Partner
  • Toshiba partner logo
  • waukesha transformer partner

Transformer Traders, LLC

Critical Power. Reliable Source.

248.250.0407

jason@transformertraders.com

2025 Transformer Traders - All Rights Reserved.

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