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Product Line — Transformers

JST Power. Representative for AZ.

As an authorized JST Power representative for Arizona, Tech Energy America supplies pad-mounted, pole-mounted, dry-type, and medium-voltage transformers for commercial, industrial, and utility-scale projects. Premium equipment engineered for reliability and efficiency.

Capacity Range15 kVA – 5 MVA
Voltage Classup to 35 kV
ManufacturerJST Power (auth.)
TerritoryStatewide AZ
— In stock now · ready to ship

Pad-mount transformers. In stock now.

US-manufactured three-phase pad-mount transformers, in stock and ready to ship — 500 kVA to 3,500 kVA, 12.47 kV and 34.5 kV primaries to 480Y/277 V. UL Listed, built to IEEE/ANSI standards. The capacity your project needs, without the lead time.

Multiple units in stockMade in the USAUL ListedMore arriving mid-October
Three-phase pad-mount transformer in stock, ready to ship
In stock · ready to ship
kVAPrimary → SecondaryStatus
500 kVA12.47Y/7.2 kV → 480Y/277 VGrdY-GrdY · J tapIn stock — multiple units
1,000 kVA12.47Y/7.2 kV → 480Y/277 VGrdY-GrdY · J tapIn stock — multiple units
1,500 kVA12.47Y/7.2 kV → 480Y/277 VGrdY-GrdY · J tapIn stock — multiple units
1,500 kVA34.5Y/19.92 kV → 480Y/277 VGrdY-GrdYIn stock — multiple units
2,500 kVA34.5Y/19.92 kV → 480Y/277 VGrdY-GrdYIn stock + more mid-Oct
3,000 kVA34.5Y/19.92 kV → 480Y/277 VGrdY-GrdYIn stock + more mid-Oct
3,500 kVA34.5Y/19.92 kV → 480Y/277 VGrdY-GrdYIn stock + more mid-Oct
750 kVA34.5 kV → 480/277 VDelta-wyeIn stock — limited

Inventory reflects the latest supplier list and changes as units ship. More 34.5 kV units arriving mid-October. Send your kVA, primary voltage and project location for a quote.

— Transformer portfolio

Pad. Pole. Dry-Type. MV.

JST Power covers utility, commercial, and industrial applications with factory-direct pricing and warranty support. We hold the AZ representation and own the delivery date — no layered phone tree.

— Underground / Pad
Pad-Mount Transformers

Ground-level transformers for commercial developments, shopping centers, residential subdivisions, and underground distribution systems. 15 kVA through 5 MVA, up to 35 kV class.

15 kVA – 5 MVAup to 35 kVUndergroundTamper-Resistant
— Overhead Distribution
Pole-Mount Transformers

Overhead distribution transformers for utility and rural electrification projects. Single-phase and three-phase configurations, conventional and CSP designs available.

Single & 3-PhaseUtility GradeRural / Distribution
— Indoor / Outdoor
Dry-Type & Substations

Indoor and outdoor dry-type units, plus substation-class transformers for solar farms, mining operations, data centers, and large industrial facilities. MV-rated and engineered to the spec.

Dry-TypeSubstationSolar & MiningData Center
— Why JST Power via TEA

Authorized rep. Direct support.

When you call Tech Energy, you skip the layered phone tree. We carry the JST catalog, we price the configuration, and we own the delivery date. Factory-direct pricing, warranty support, and Arizona-based coordination.

01
— Authorized

AZ Representative

JST Power representative for Arizona. Factory-direct pricing and full warranty support on every transformer.

02
— Coverage

MV Solutions

Transformers rated for medium-voltage applications, engineered for solar farms, mining operations, data centers, and large-scale industrial facilities.

03
— Engineering

Technical Support

Full technical assistance — sizing, specification, delivery coordination, and product application guidance from our team.

04
— Logistics

Fast Delivery

Competitive lead times with reliable logistics throughout Arizona. Direct delivery to your project site coordinated by our team.

— Coverage

Arizona-wide. Mill-direct.

We hold local representation and direct factory channels. Stock configurations are available with shorter lead times than uncoordinated catalog purchases — anything not stocked ships mill-direct with vendor-confirmed lead times on the quote.

For Arizona project sites, we coordinate delivery directly to the pad. Substation-class units and pad-mounts arrive ready for terminations, hot-dip galvanized and tested to spec.

AZ

JST Power Rep

5MVA

Top Capacity

35kV

MV Class

JST

Factory Direct

— Applications

Commercial. Industrial. Utility-scale.

Commercial

Shopping centers, multi-family, healthcare, retail. Pad-mount transformers sized to the service load, coordinated with utility tap fees and switching.

Industrial & mining

Plant main transformers, substation-class units, mining operations. MV-rated for high-capacity feeders and process loads.

Solar & data center

Solar farm collection and inverter step-up transformers, data center MV-to-utility step-down units. Engineered to the project's interconnect requirements.

Need a transformer for your project?

Send the single-line, the kVA, or just the application. We respond same business day with pricing, availability, and technical specs on JST Power transformers.