USACE is conducting sources-sought market research for an upcoming firm-fixed-price Hydropower Technical Research and Knowledge Exchange service contract, with one contract contemplated. The effort seeks access to technical research, practical guidance, industry operating experience, publications, technical exchanges, collaborative investigations, training, and workshop/conference forums supporting hydropower design, operation, maintenance, protection/control, and economic evaluation/modernization planning. The anticipated period of performance is January 1, 2027 through December 31, 2027. Work supports USACE hydropower projects nationwide, with key leadership at the Hydroelectric Design Center in Portland, OR, and ERDC in Vicksburg, MS. Responses are encouraged from large and small businesses, including all small-business socioeconomic categories, to help inform future acquisition decisions.