AVO Diagnostic Services:
Johnsbury, VT, Houston, TX, Sacramento, CA ~ www.avodiagnostics.com

  • Insulation Technology
  • Transformer Accessories
  • Laboratory Services/Oil Analysis
  • Engineering Services
  • InsuLogix HMA Monitoring Equipment – InsuLogix HMA Data Sheet

BAE Batteries USA/Hindle Power Chargers:
Somerset, WI ~ www.baebatteriesusa.com

  • Full line of DC Power Systems & Products
  • DC Charging System by Hindle
  • Substation Racks & Outdoor Enclosures

Delta Star Transformers:
Lynchburg, VA, San Carlos, CA, Canada ~ www.deltastar.com

  • Medium Power Transformers up to 150 MVA & 230kV
  • Mobile Substations & Portable Substation Equipment
  • Skid-Mount Substations
  • Mobile Substation Repair & Reconditioning
  • Transformer Field Service

Delta Star Field Services
~ www.deltastar.com

  • Service to ANY brand, size, and type of transformer.
  • Mobile Substation Repair & Reconditioning
  • Transformer Field Service
    • Bushing replacements
    • Relocations
    • Repairs & Preventative Maintenance
    • Inspections, Engineering services and more

Passive Cooling Chamber:
Golden, CO ~ www.electrical-technologies.com

  • Protects batteries from destructive temperature extremes
  • Double or triple battery life in hot weather
  • Insure at least 80% capacity in the cold
  • Fully insulated interior design with R-20 insulation
  • Includes two racks that are tiered and draw out for easy maintenance
  • Passive cooling/heating reservoir & radiator filled with regular water
  • Comes standard with a hydrogen venting system
  • Standard PCC designed for 300 amp/hr battery systems and lower
  • Optional Battery Charger cabinet mounted to side of PCC enclosure

Koncar Instrument Transformers Inc:
Zagreb, Croatia ~

  • High quality Instrument Transformers since 1947
  • Current Transformers – Type AGU
  • Inductive Voltage Transformers – Type VPU
  • Capacitor Voltage Transformers – Type VCU
  • Combined Transformers – Type VDU
  • Power Voltage Transformers – Type VPT

MindCore Technologies: Montreal, Canada ~ www.mindcoretech.com

  • Substation disconnect switches from 15kV to 800kV (100A to 4000A)
  • Vertical break, double end break, center break, power fusers & hook-sticks
  • Motor operator – intelligent control and operation of a disconnect switch

OTC Services: Louisville, OH ~ www.otcservices.com

  • Transformer Repair up to 100 MVA & 825kV BIL
  • Furnace and Rectifier Transformer Repair
  • Reconditioning Services – Transformers

Royal Smit Transformers:
Nijmegen, The Netherlands ~ www.smitusa.com

  • Large Power Transformers up to 1000 MVA & 800kV
  • Autotransformers, GSU Transformers, Three Winding Transformers
  • Fixed & Variable Shunt Reactors
  • Phase Shifting Transformers

TPC Wire & Cable: Macedonia, OH ~ www.tpcwire.com

  • Extremely flexible Medium Voltage Cables (5kV to 35kV)
  • Custom cut lengths with no minimums required
  • Terminations by factory-certified installers to provide a plug and play solution
  • Storage and Deployment Solutions
  • Deep inventory for significantly reduced lead times

Trojan Dry-Out Systems:

Phillipstown, New Zealand www.dryoutsystems.com

  • Effective removal of gases and moisture on energized transformers of all sizes, oil
  • Highly portable and can be rotated between transformers
  • Three selectable online oil treatment cycles (water in Oil Analysis; oil
  • Remote communications standard: monitoring, operation and data download      

Electrical Technologies also provides field services:

  • See Field Services tab for more information.


Konark Inc: – Solar Panels
Irving, Texas ~

Based in the US. Established production facilities in India.

  • Bifacial Modules – uses dielectric passivation film on the rear surface of cells. PERC cells in front to absorb sunlight while rear surface absorbs scattered or reflected light.
  • Mono Facial – AR Coated tempered glass, anti-reflective module surface. MBB Half-cell technology.

Kore Power/Kore Solutions:
Village Historic District, VT ~

US Based Company

  • Reliable Energy Storage Solutions for micro-grids to grid-scale utilities.
  • Energy Management System (EMS), Real-time monitoring and alerts, lifetime reporting, data aggregation, system operations, WeatherSense monitoring and market integration.
  • Customized solutions tailored by project to ensure peak reliability, efficiency, and safety.
  • DC block products are scalable systems that can be configured for virtually any application. Sizes ranging from 300kWh to 1.3 MWh and beyond.