The Department of Defense, specifically the U.S. Army Corps of Engineers, is seeking industry input for the John Day Security Systems Upgrade project located at the John Day Powerhouse in Rufus, Oregon. This Sources Sought notice aims to gather information on the capabilities and qualifications of potential contractors to enhance the existing security systems, which include replacing light fixtures, upgrading the Electronic Security System (ESS), and installing necessary infrastructure such as server racks and HVAC systems. The project is critical for maintaining the security of a key hydroelectric power plant within the Federal Columbia River Power System, with an estimated construction cost between $1 million and $5 million. Interested parties must submit their responses by November 19, 2025, at 2:00 PM PDT, to the designated contacts, Jonathan MacAdam and Nicole Adams, via email.