Products
Substation Transformers
High-voltage liquid-filled power substation transformers are designed to provide efficient power distribution for utility companies and large industrial complexes.
Substation Transformers Built to Meet Your Exact Specifications.
With high voltages up to 345 kV and ratings up to 300 MVA, Giga Energy liquid-filled three-phase power substation transformers meet applicable NEMA®, ANSI®, IEEE® and DOE standards.
Up to 230kV
Ratings up to 300 MVA
American Engineering. Global Supply Chain.
Giga combines the best of both worlds — fast global production and top-notch American design, quality assurance, and service.
Fast lead times
Our made-to-order production timelines are highly competitive as fast as 26 weeks depending on project specifications.
Design conformance
We maintain rigorous oversight to ensure every transformer adheres precisely to your exact specifications.
Comprehensive warranty
We stand behind our products with a robust warranty that covers both materials and workmanship.
Competitive pricing
We deliver exceptional value so you receive top-tier, reliable, high-quality products without the premium price tag.
Exceptional quality
We implement strict quality control measures at every stage of production to ensure our products meet or exceed industry standards.
Dedicated support
Our support team is always at your service, offering expert guidance from initial inquiry through post-installation support.
Standard Specifications
- LBOR Switch
- External Lockable Gauges, Bayonet Fuses, and Switch
- Liquid Temperature Gauge (Dial-type Thermometer)
- External Lockable Drain & Sample Valve
- Liquid Level Gauge
- Pressure Vacuum Gauge
- Pressure Relief Valve
- DOE 2016 Efficiency
- UL-Listed
- 5-Legged Grain-Oriented Silicon Steel Core
- All Stainless Steel Hardware
- Nitrogen Sampling Port
- Circular / Disc Winding Design (High Voltage)
- Oil Conservator & Buchholz (High Voltage)
- Rapid Rise Relay (High Voltage)
- Copper (High Voltage)
Optional Specifications
- Gauges with Alarm Contacts
- Fan Package
- Bi-Directional (Step-Up) Rated with Electrostatic Shield
- Throated Connection for Close-Coupling
- External Drain and Sample Valve in Lockable Box
- Skid-Mounted Options
- K-Factor up to K-13
- Extended Cabinet Depth to allow for T-OP connectors
- Amorphous Steel Core
- Dual Voltage
- FR3
- LTC (High Voltage)
- Inert Gas Oil Preservation System (High Voltage)
- Fan Package (High Voltage)
Choose from in-stock and custom solutions.
Built to Order
Our team works with you to design and manufacture substation transformers that meet your exact custom specifications with lead times as fast as 26 weeks.
customer stories
Satisfied Customers Across the Country
Delivered 9 Transformers in 14 weeks for an expedited data center rush order
"The 3000 kVA padmounts not only arrived on the tight timeline, but we've been satisfied with the quality of the equipment since the site was energized."
Energized 6 1.4 MW containers & PDUs in West Texas
“Our electricians let us know multiple times how much they prefer the GIGA PDUs and equipment to anything else they have installed. It’s the best packaging and delivery on any single piece of infrastructure we ordered.”
Seamless transformer
Giga makes the experience of sourcing substation transformers as seamless as possible. From initial quote to ongoing support, our expert team is committed to guiding you through every step of the journey with ease.
Build a quote
Place your order
Approve design drawings
Receive order updates
Receive your transformer
Enjoy ongoing support
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Our extensive selection of custom-built solutions and comprehensive inventory ensures that we can provide the ideal equipment to power your projects.
Let’s build what’s next together.
