Substation

Thayer Power & Communication (Thayer PC), a division of Thayer Infrastructure Services, provides complete substation solutions—from design and construction to commissioning, maintenance, and project management—with turnkey, safety-first, schedule-driven execution. Our team delivers engineering, protection and control, SCADA integration, foundations, equipment installation, testing, and full documentation. Preventive and predictive maintenance, 24/7 emergency response, and strict QA/QC ensure reliable performance. With expert project and construction management overseeing scope, schedule, cost, safety, and logistics, we deliver efficient, high-quality results that keep substations operating safely and effectively.

Core Capabilities

Substation Construction & Commissioning

Greenfield and brownfield substation builds

Equipment installation, wiring, and functional testing

Commissioning and energization support

Engineering Support

Substation design review and constructability assessments

Protection & control systems integration

Relay testing and verification

Transmission Services

Line construction, upgrades, and rebuilds

Integration with substation projects for seamless delivery

Fiber, Wireless, and Underground Services

End-to-end communications and connectivity infrastructure

Engineering and installation to support grid modernization

Safety Commitment

  • Industry-leading safety metrics and comprehensive programs
  • Dedicated safety department overseeing training and compliance
  • Embedded safety culture across all projects

Why Partner with Thayer PC?

  • Proven track record in delivering safe, reliable, and efficient infrastructure projects
  • Multidisciplinary expertise across substation, transmission, engineering, fiber, wireless, and underground services
  • Commitment to customer satisfaction and long-term relationships
  • Backed by the resources of Thayer Infrastructure Services