Transformers for Solar Projects

We have the transformers you need to power on your next renewable project, built specifically for solar, step-up applications.

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Renewable projects powered by Maddox transformers

Solar Transformers Installed

This 2500 kVA padmount (12470GY/7200 - 600Y /347) is one of three Maddox transformers at this solar farm in Oregon.

Solar Transformers

Maddox stocks liquid-filled and dry-type transformers for solar projects. If we don’t have what you need in stock, we can build it for you with the shortest lead times in the industry.

Used substation transformers in Maddox's reconditioning queue

Padmount transformers designed for solar applications

K rated options for harmonic mitigation
Suitable for step-up Operation
Electrostatic shielding (E-Shield)
Bio-degradable FR3 Fluid
Wye Wye connected windings
Bayonet & current limiting fuses
LBOR switching
Separated neutral bushings
Gauges with alarm contacts
Remote monitoring
Inverter compatible
Surge arrestors

Low-voltage dry type transformers designed for solar applications

5 Legged core or tertiary winding
Electrostatic shielding
Suitable for step up operation
Solar Rated Dry-Type transformers
kVA: 15 - 3000 kVA
Voltage: 100v - 800v (Configurable in Delta or Wye)
K Rating: K1-K20

We are a solar installation company based in MA. We've used many suppliers and distribution partners, and none have been as good as the kind folks at Maddox. They deliver high quality products on budget, and more importantly, on time... They've won our business for life and we'll continue to order from them for our commercial and utility scope projects.

Tom Wu | CEO at Invaleon

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