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.

David Shaffer Director, Transmission & Substation davida.shaffer@thayerpc.com

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