Advanced Electric Systems

Advanced Electric Systems (AES) is a specialist electrical infrastructure services company headquartered in Heber City, Utah. It tests, maintains, and repairs critical power systems for electrical utilities, energy contractors, and industrial businesses. The company is a subsidiary of Quanta Services, and its team is described as having more than 50 years of combined experience.

AES works across high and low voltage substations, power transformers, and wider critical power infrastructure. Its service lines include transformer services, acceptance testing and commissioning, and high voltage SF6 and oil circuit breaker services. The company also provides DC power system services and fibre optic work, specifically OPGW fibre splicing and terminations. In SF6 gas services, specially trained and factory-certified technicians handle, fill, and test SF6 insulating gases for transformers and equipment of any size.

Alongside project and commissioning work, AES runs preventative maintenance programmes intended to identify problems before they cause failures, and it maintains 24/7 emergency response availability for outages, equipment failures, and natural disasters. The company describes its work as mission-critical and reliability-focused, with an emphasis on safety and on responsive delivery under challenging conditions and timelines.