City Spotlight – Frederick, Maryland

Frederick and its surrounding communities are connected to the high-voltage grid through Potomac Edison, which was integrated into PJM’s operations in 2002 as a part of Allegheny Energy. It is now a subsidiary of FirstEnergy.

Population of Frederick: 67,421*
Total Potomac Edison customers: Approximately 220,000**
Total amount of megawatt-hours used in Potomac Edison: 3,641,799**

Fun facts:

  • Frederick was founded in 1745 by German settlers and is now the second-largest city in Maryland after Baltimore.
  • Frederick is surrounded by historic Civil War battlefields and served as a major hospital center for the wounded.
  • Francis Scott Key, writer of “The Star Spangled Banner,” practiced law and was interred in Frederick.

*2015 United States Census Bureau population estimate
**2015 Energy Information Administration data

Fun facts are from the National Center for Smart Growth.