AET provides complete services including acceptance testing and commissioning of substation equipment, project management for new installations, retrofits, repairs and maintenance.


AET performs point to point control wiring verification to confirm installation meets design specifications

AET provides testing and commissioning services to utilities for their protection and control projects. On a typical project (apparatus change out or relay protection upgrade), AET will dedicate a Commissioning Engineer to prepare, oversee, test, and install those components and systems. Our Commissioning Engineers understand the big picture and are capable of commissioning greenfield projects as well as challenging retrofits being cut into a live stations. Their knowledge of transmission, distribution, and generation systems enables them to develop and execute plans that work under the customer’s tight outage schedules and requirements. Some of the Commissioning Engineer’s responsibilities are to review the design drawings, develop and execute test plans provide technical direction to the electrical contractor or in-house wiremen, and perform final in-service checks when bringing the equipment online for the first time.

To learn more about what our Commissioning Engineers can deliver, contact AET today.

Testing & Commissioning Services

  • Relay Protection & Control
  • Functional Trip Testing
  • Metering

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