FE ▼ -0.6% - FirstEnergy Corp. $FE - Potomac Edison Proposes Rate Adjustment to Support Electric System Reliability Potomac Edison, a FirstEnergy subsidiary, has proposed a rate adjustment aimed at supporting electric system reliability, a move that typically requires regulatory approval and can take months to implement. The stock declined 0.6% today, though rate adjustment proposals are common utility regulatory filings that may reflect investor caution about potential near-term earnings impacts or uncertainty around approval timing. 04-SEP-2026 04:37 PM ET