Henkels & McCoy provides a full suite of services from engineering and
constructability reviews to substation installations for customers of all
sizes and scopes from small commercial owners and renewable energy
developers to large utility clients.

H&M substation capabilities include:

  • Air-Insulated Substation (AIS)
  • Gas Insulated Substations (GIS)
  • Flexible Alternating Current Transmission Systems (FACTS)
  • High-Voltage Direct Current (HVDC) 
  • Engineering/constructability reviews
  • Clearing, grading, and site work
  • Ground grids and ground connections
  • Underground conduit and cable trench
  • Equipment pads and steel support structures
  • Foundations – drilled pier and form-and-cap
  • Bus work – cable bus and rigid bus
  • Equipment installation and testing
  • Oil containment systems
  • Transformer rigging and unloading
  • Power and control wiring
  • Control building structures
  • Scheduled maintenance




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