About Us


Potelco, Inc., a subsidiary of Quanta Services, Inc. (NYSE: PWR), was founded in 1965. We specialize in engineering, procurement, and construction (EPC) services, which include designing, estimating, material acquisition, project management, construction, emergency power restoration, system maintenance, and similar services. Our expertise is in power, transmission, distribution, and substation projects. We are a leading full-service provider of power infrastructure, construction, and support services in utility and energy contracting throughout the Pacific Northwest and neighboring states.
We are proud to be working with some of the region’s largest energy companies as we continue to modernize their electric systems, move towards de-carbonization, and maintain thousands of miles of overhead and underground lines serving millions of residential and commercial customers. We uphold high safety, productivity, and reliability standards as we work with our cust...