United Utility companies lead the electrical contractor industry in the highly specialized installation, maintenance and repair of underground high voltage cable transmission systems. Our clients include the nation’s foremost electric utility companies and independent power producers, and we offer turnkey services on all types of new projects and emergency response. We approach every underground cable installation, repair, and maintenance project from the vantage point of specific needs, challenges, desired outcomes and operating standards.

Our companies are one of the very few underground transmission contractors that have installed, repaired, maintained and serviced all types of underground power and pipe cable systems, ranging from superconductors, extruded systems and everything in between. Our fleet of dedicated underground equipment includes winch trucks, splice vans, XLPE splice tools, vacuum pumps, high definition cameras for inspecting pipes and probes that provide X, Y and Z coordinates – all operated by experienced, highly-trained personnel.

Our complete-scope expertise allows us to provide a full range of installation, repair, and maintenance services on underground cable systems:

  • XLPE Cable Systems
  • High-Pressure Fluid Filled and Gas Filled Pipe-Type Cable
  • Low and Medium Pressure Self-Contained Cable Systems
  • Submarine Pipe-Type Cable Systems and Submarine Armored Self-Contained Cable Systems
  • EPR
  • Superconductor
  • Compressed Gas Insulated Systems
  • Maintenance and Emergency Response Contracts