This pre-solicitation notice announces an upcoming design-build contract for replacing excitation systems at Webbers Falls Powerhouse in Webbers Falls, Oklahoma. The contractor will design, manufacture, deliver, install, and commission new excitation systems, including model validation testing. The contract will be firm-fixed-price, unrestricted, and procured using the Lowest Price Technically Acceptable approach under FAR Part 15. The estimated construction magnitude is between $1,000,000 and $5,000,000, with a construction duration of 300 calendar days. The government will provide certain support, and installation of Unit 1 depends on its availability.