Power infrastructure · Fog Power

Power in weeks,
not years.

Transformers and UL 891 switchboards for high-density compute, engineered for North American supply, compliance and speed.

Request a quote
A substation on the plains seen from the air, a wind farm running to the horizon behind it

One partner,
drawings to delivery.

We engineer and deliver the transformers and switchboards that sit between the grid and the racks.

Lead time in weeks

  • +Transformers stocked in the US
  • +Switchboards built to order in around 8 weeks
  • +No two-year overseas waits

Certified to standard

  • +UL, cUL, CESI, ISO and CE
  • +ANSI/IEEE, NEMA and DOE
  • +Tested, listed and deployment-ready

Proven at scale

  • +20,000+ units operating
  • +40+ countries, 2,500+ projects
  • +North America based support, 24/7

Transformers,
delivered fast.

Download product flyer

North American transformer supply on demand, in stock and made to order, engineered to UL, ANSI and IEEE standards for AI data centers and Bitcoin mining.

A green pad-mount transformer crated on a pallet

3-phase padmount

Pad-mounted distribution for commercial, industrial and edge compute loads.

Rating
75kVA to 10MVA
Voltage
Up to 34.5kV
Dispatch
14 days, in stock
A grey medium-voltage substation transformer on its pallet

Medium-voltage substations

Liquid-filled substation transformers for data centers, industrial complexes and critical infrastructure.

Rating
750kVA to 20MVA
Voltage
Up to 44kV
A utility-scale transformer on a transporter inside the assembly hall

High-voltage substations

Utility-scale liquid-filled transformers for major AI, HPC and mining facilities.

Rating
15MVA to 500MVA
Voltage
Up to 345kV

UL 891
switchboards.

UL 891 listed low-voltage switchboards engineered for high-density compute, from 1200A edge blocks to 4000A hyperscale blocks. Highly customizable, and built in around eight weeks.

A row of UL 891 switchboard cubicles with the doors openSwitchboard sections lined up on the factory floorA single switchboard section, breakers and metering visible
Download product flyer

End-to-end service,
start to support.

From the first quote to ongoing support, our sales and engineering team takes you through every step: sized, listed and shipped without the long wait.

  1. Request a quote
  2. Engineer to spec
  3. Approve drawings
  4. Track your build
  5. Receive and install
  6. Always-on support

Field-proven
across sites.

Units in build, under test on the bench, and in service on the pad.

Switchboard cubicles open on the floor, breakers and listings visible
Transformers under assembly in the production hall
A pad-mount transformer set on its pad at a live site
A Fog engineer working at an open pad-mount transformer
Finished switchboard sections lined up down the factory aisle

Your power gear, ready to deliver.