The U.S. Army Corps of Engineers is seeking qualified contractors for the inspection, repair, refurbishment, testing, and commissioning of large power transformers at The Dalles Dam in The Dalles, Oregon. The project involves repairing failed Transformer T10 and performing preventative maintenance on Transformer T9, with optional work on Transformer T11. The estimated construction cost is between $1,000,000 and $5,000,000, with a performance period anticipated through calendar year 2029. Work may be performed onsite or at an offsite facility, subject to government approval, and includes specialized tasks such as internal inspections, conductor repairs, and oil handling. This is a sources sought notice for market research only, not a solicitation, and responses are due by 3:00 pm PDT on May 18, 2026.