Mon Power and Potomac Edison complete 27-acre solar site in Rivesville FAIRMONT, W.Va., Oct. 18, 2024 /PRNewswire/ -- Mon Power and Potomac Edison, subsidiaries of FirstEnergy Corp. (NYSE: FE), have completed their second utility-scale solar site in West Virginia, less than a year after energizing their first solar site at Fort Martin Power Station in Maidsville. Nearly 14,000 solar panels are now producing up to 5.5 megawatts of clean, renewable power at the Rivesville site in Marion County to help meet th ...