St. Joseph and Benton Harbor, the two principal cities in the Niles-Benton Harbor Metropolitan Statistical Area in Michigan, are connected to the high-voltage grid through Indiana Michigan Power, a unit of American Electric Power. The company was integrated into PJM’s operations in 2004.
Population of metropolitan area: 155,992*
Total Indiana Michigan Power customers in Michigan: 128,046**
Benton Harbor and the City of St. Joseph are twin cities separated by the St. Joseph River and located along the shore of Lake Michigan. St. Joseph’s lighthouse, built in 1832, was the second lighthouse built on Lake Michigan. Both cities also have strong ties to agriculture, and St. Joseph is home to the American Society of Agricultural and Biological Engineers.