high voltage substation power

Quality substation construction

Cinterra’s commitment to maintain high standards for quality, safety, and electrical construction has earned the company a superior reputation for substation construction and maintenance.


From planning and foundation work through all phases of equipment and cable installation, our teams have proven experience with substation projects of all sizes and levels of complexity.

Cinterra has delivered a range of high-voltage substation projects with complete power distribution integration to support varied utility and renewable power operations in major cities and urban environments.

The people
The power
The equipment

Many substations are complex systems with unique construction demands which is where Cinterra excels. Our dedicated project managers are highly capable individuals who orchestrate delivery of any size project. We have experience with high voltage systems, control relays, and varied protection schemes whether new installations or maintenance — to support renewable plant operations. 

A broad range of substation services

At Cinterra, we are a single-source substation contractor and bring a broad range of capabilities, with all the necessary equipment to complete multifaceted substation projects. We perform the necessary interconnect work required at all voltage levels to interconnect to utility transmission systems:

  • Foundations
  • Below and above grade grounding/conduit
  • Substation automation
  • CCVT’s, PT/CT combos and GSU installation
  • Control house and MV/HV breakers
  • Station transformers-AUX power, capacitor bank installation and termination
  • Control cable installation and termination
  • Overhead bus and jumpers
  • MV/HV switch installation and timing
  • Testing and commissioning

Rely on the teams at Cinterra to power up your substation project.

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