Sources Sought Announcement-Headgate Rock Substation McGraw Edison Power Transformer Load Tap Changer Retrofit Project

The Department of Energy’s Western Area Power Administration, Desert Southwest Region, is seeking capability statements from qualified parties for a turnkey retrofit of the load tap changer on the active McGraw Edison Power Transformer at the Headgate Rock Substation in Parker, Arizona. The project involves replacing the degraded, legacy oil-type load tap changer with a modern, reliable system on transformer serial number C-05324-5-1, ensuring continued safe and efficient operations at this critical infrastructure site. All proposers must demonstrate technical expertise, relevant experience, and the ability to deliver a complete retrofit solution without disruption to ongoing substation functions. This sources sought notice, issued under solicitation number 26WA161605 and classified under NAICS code 335311, is not a request for quotes or proposals but a market research effort to identify capable vendors. Responses are due by July 13, 2026, and should be submitted to the point of contact, Georgette Flores Reyes-Wiltz, at reyeswiltz@wapa.gov. The work will be performed at the Headgate Rock Substation in Parker, Arizona, and interested parties must be prepared to address all technical, logistical, and safety requirements associated with retrofitting an energized high-voltage transformer in an operational substation environment.