Potomac Edison Takes Next Step with Power Line Upgrades to Benefit Frederick and Montgomery County Customers Accessibility StatementSkip Navigation WILLIAMSPORT, Md., March 31, 2026 /PRNewswire/ -- Potomac Edison, a subsidiary of FirstEnergy Corp. (NYSE: FE), is seeking approval from the Maryland Public Service Commission (PSC) to move forward with a transmission project that will make the power grid more reliable for area residents and businesses and support future economic growth. The Maryland portion ...