Joseph Trentacosta

Southern Maryland Electric Cooperative was founded in 1937. Through the Rural Electrification Administration, the co-op received a loan of $165,000 to construct 175 miles of line to serve 600 customer-members. SMECO operated a generating plant at Popes Creek, Maryland, from 1938 to 1953. SMECO has had five general managers: 1938, Forrest Coakley; 1974, Walter H. Smith; 1989, I. Wayne Swann; 2003, Austin J. Slater, Jr.; and 2020, Sonja Cox. As of January 2020, SMECO served 165,000 customers and is one of the largest electric co-ops in the country. SMECO serves all of Charles and St. Mary's counties, the southern portion of Prince George's County, and all but the northeast portion of Calvert County.