Pumping-Generating Units for the Grand Coulee Pumping-Generating Plant

The Grand Coulee Pumping-Generating Plant is the primary source of water for the vast Columbia Basin Irrigation Project. Two new units will be installed to serve dual purposes of irrigation pumping and pumped storage generation. This paper covers the plans of the United States Bureau of Reclamation for integrating the two new pumping-generating units into the ultimate 45 hydroelectric unit complex at Grand Coulee Dam.