The Grand River Dam Authority (GRDA) is an Oklahoma agency created to control, develop, and maintain the Grand River waterway. It was created by the Oklahoma state legislature in 1935, and is headquartered in Vinita, Oklahoma. It operates three hydroelectric facilities and two reservoirs, Grand Lake and Robert S. Kerr Reservoir. It also operates the Salina Pumped Storage Project, which includes Lake W. R. Holway
GRDA ECOSYSTEMS & EDUCATION CENTER
420 HWY 28 Langley, OK 74350
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SALINA PUMPED- STORAGE PROJECT
The third hydroelectric project constructed by GRDA, Salina Pumped Storage Project (SPSP) is not located
directly on the Grand River system. With all possible dam sites along the river already utilized in the late 1960s, GRDA built Oklahoma’s first pumped-storage facility in the hills southeast of Salina, Oklahoma, along the Saline Creek arm of Lake Hudson. Though opponents argued that such an experimental facility would ‘break’ GRDA, construction of the first stage was completed in 1968. The second stage was completed in 1971.