Ludington Pumped Storage Plant Increases Efficiency to Provide Greater Grid Support.

The article reports on the Ludington Pumped Storage Plant on Lake Michigan, owned by Consumers Energy Co. and the DTE Energy Co. and in operation since 1973. The plant was the largest of its kind when built and consisted of six 312-MW units. Steven B. Beachum, senior project manager at the Ludington plant, says that the use reversible pump-turbines to move water uphill 363 feet into the plant's 27 billion gallon reservoir.