Albeni Falls Dam is located on the Pend Oreille River between Oldtown, Idaho, and Priest River, Idaho. It is located on the site of a natural waterfall named Albeni Falls, named after early pioneer Albeni Poirier. Construction on the dam began in 1951 and was completed in 1955 at a cost of $34 million ($261 million in 2007 dollars). It produces over 200 million kilowatt hours of electricity each year for the Bonneville Power Administration and is operated by the U.S. Army Corps of Engineers. The dam is 90 ft high and 775 ft long. Its spillway is 400 ft long.