SIERRA UTILITY SALES, INC.
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  • Transmission & Distribution Poles: Tubular Steel, Spun Cast Pre-Stressed Concrete, Hybrid, Steel/Wood Equivalent (SW)

  • Substation Structures, Octagonal Shape, Tapered, and Wide Flanged

 

  • Steel Lattice Transmission and Substation Structures

  • Aluminum Lattice Transmission Structures

  • Steel Lattice Wind Generator Towers

 

  • Metal – Clad Switchgear Through 38kV

  • Metal Enclosed Air Interrupter Switchgear Through 38 kV

  • Power Control Complexes, EUSERC Metering Capabilities

 

  • PadMounted & Subsurface Switchgear to 25kV, 600A / 40kA

  • Dry Type Transformers to 35kV / 10MVA

  • Line Power – Unit Substations & Metal Enclosed Switchgear to 35kV

 

  • Power Transformers, with or without LTC, to 161 kV, 50MVA

  • Distribution Transformers, 1Æ & 3Æ Poles, 1Æ Pad / Submersible

  • Instrument Transformers, Oil-filled VT’s & CT’s to 69kV, Slip-Over CT’s

  • Transformer Monitoring and Control,  Cooler and Pumps

  • Natural Gas Preheaters, 3-D Service Co, Pump Repair

 
HICO AMERICA

  • UHV Power Transformers (500kV - 765kV)

  • EHV Power Transformers (230kV - 450kV)

  • Distribution Substation Class Transformers 100MVA & Higher

  • Generator Step-Up Transformers

 

  • Air Disconnect Switches, 7.5 to 345kV, 4,000Amps

  • Hookstick or Group Operated, Manual or Motor Operators

 

  • Station Post Insulators 95kV BIL thru 3300 kV BIL

  • Line Post Insulators 15kV thru 345kV (Polymer & Porcelain)

  • Suspension Insulators to 765kV (Polymer & Porcelain)

  • Rodurflex – Composite Insulators

 

  • Generator, Transformer, and Intertie Protection Relays, Capacitor Controls

  • LTC Transformer Control, Voltage Regulator Controls, Transformer Paralleling

  • Generator Control and Synchronization and Sync-Check Relays

 

  • Batteries: Lead Acid & Nickel Cadmium Vented or Valve Regulated

  • Battery Racks: Standard or Seismic Type; Battery Cabinets

  • Battery Chargers: Single Phase or Three Phase, 12 thru 260amps DC

 

  • Test & Measurement Equipment for Relays, Batteries, Breakers, Transformers & Oil

  • Testers for HV Dielectrics, Power Factor, Partial Discharge & Watthour Meters

  • Cable Fault Locating & Power Quality Equipment. Low Resistance Ohmmeter

  • Electrical Maintenance, Safety and Telecom Training

  • Test Switch and Test Blocks, Front Connected, Back Connected, Semi-Flush, and Flush Mounted

 

  • 25 kV – 500 kV POC (Paper Oil) Bushings, 15 kV – 69 kV PRC (Paper Resin) Bushings

  • GSU Transformer Bushings, Replacement Bushings, Dry-Type Bushings

  • Bushing Repair and Diagnostics

  • Bushing Cross Reference List

 

  • Aluminum Switch Rack Assemblies

  • Synchronizing Panels, 19” Rack Panels, SCADA Cabinets

 

  • AC/DC Distribution Panels.  Indoor and Outdoor versions. 

  • Custom and Transfer Switch Control Cabinets

 

  • Vehicle Rated Trenching Systems Manufactured From High Density Polymer Concrete

  • Plastibeton Channel Systems, H20 ratings (40,000 lbs)

 

  • Polymer Box

  • Junction Box

  • Utility Vault

  • Underground Pull Boxes, Handholes, Enclosures

 

  • Medium Voltage 5kV - 35kV Primary and Shielded Power Cables

  • Bare Aluminum Conductor, AAC, AAAC, and ACSR

  • Low Voltage Aluminum, Service Drop and Secondary Type UD Cable, 600V

  • Low Voltage Copper Control Cable, Network Cable, Tray Control Cable, Tray Power Cable

  • Building Wire Copper Conductor

 

  • High Quality Pulse Isolation Relays, Solid State and Mercury Wetted

  • Self Contained Relays for Outdoor Applications, Solid State and Mercury Wetted

  • Metering Pulse Totalizers/Registers

  • Pulse Links

 

  • Transformer Lugs, Connectors, and Clamps

  • Copper and Aluminum Wedge Connectors

  • Compression Connectors and Splices

  • Utility Grade Electronic Photocontrols

  • Aluminum Neutral Splicing Sleeves

  • Copper Jumper Clamps, Extruded Aluminum Parallel Ground Clamps, Hot Line Clamps

 

  • Duro Tape, Electrical Self-Fusing Insulating Tape

  • Rectangular and Triangular Tape

  • Silicone Split Tubing

 

  • Pole Gains

  • Bolt Covers

  • Meter Adapters, Cable Protectors, Penta-Head Wrench

  • HV Signs, Primary Neutral Signs