Reliable Substation Transformer Sales and Services for Power Distribution & Industrial Applications
Greenville Transformer Company specializes in the sales, service, and maintenance of substation transformers for utilities, industrial plants, data centers, commercial facilities, and renewable energy projects. Whether you need a new, reconditioned, or custom-built substation transformer, we offer high-performance solutions that meet or exceed IEEE, ANSI, and NEMA standards.
Our Substation Transformers
Power Substation Transformers
Available from 500 kVA to 1000 MVA
Ideal for utility substations, industrial plants, and large-scale power distributionLiquid-Filled Substation Transformers
Mineral oil, silicone, or biodegradable ester fluid cooling options
High dielectric strength for extended lifespan and efficiencyDry-Type Substation Transformers
Ventilated or cast-resin designs for indoor applications
Fire-resistant, low-maintenance, and eco-friendlyStep-Up & Step-Down Substation Transformers
Supports grid-tied and facility-level voltage adjustments
Ideal for renewable energy, power plants, and heavy industriesAuto & Phase-Shifting Transformers
Improves power flow and reduces voltage imbalances
Optimized for smart grid and power quality applications
Substation Transformer Services & Maintenance
Preventive Maintenance & Inspections
Thermal imaging, insulation resistance testing, and load performance evaluations.Transformer Testing & Diagnostics
DGA (Dissolved Gas Analysis), power factor, and turns ratio testing to detect early failures.Oil Analysis & Filtration Services
Dielectric oil testing, purification, and retrofilling to improve insulation performance.On-Site & In-Shop Repairs
Bushing replacements, coil rewinding, and cooling system repairs to restore transformer efficiency.Load Tap Changer (LTC) Repair & Maintenance
Inspection, contact replacement, and control calibration for voltage regulation systems.Transformer Retrofitting & Upgrades
Custom modifications for efficiency, load capacity, and environmental compliance.Emergency Repair & Rapid Response Services
24/7 on-site support for power outages, failures, and urgent repairs.
Customization & Modifications
Greenville Transformer Company offers custom-built substation transformers and retrofitting solutions tailored to your specific power distribution needs.
Voltage & Winding Configurations – Step-up, step-down, and multi-tap transformer designs.
Cooling System Enhancements – Upgrades to ONAN, ONAF, OFWF, or dry-type cooling.
Bushing & Connection Modifications – Side-mounted, top-mounted, or special high-voltage bushings.
Explosion-Proof & Arc-Flash Protection – Safety-enhanced enclosures for hazardous environments.
Smart Monitoring & Grid Integration – IoT-enabled sensors for real-time condition monitoring.
Discuss your custom transformer needs today! Call (903) 455-1610
Sell Your Used and Recovered Substation Transformers
If you have surplus or decommissioned transformers, Greenville Transformer Company offers competitive purchasing programs to help you recover value from your old equipment.
Why Sell to Greenville Transformer?
Eco-Friendly Recycling & Disposal – Compliant with environmental sustainability standards.
Hassle-Free Pickup & Logistics – We handle transportation and removal, making the process seamless.
Top Market Prices – We pay competitive rates for used and surplus transformers.