PJM will be performing system maintenance to Markets Gateway, Data Miner, Security Constrained Economic Dispatch (SCED), and Ancillary Services Optimizer (ASO) in the Production environment on Thursday, August 6, 2026, from 2:50 p.m. - 5:00 p.m. EPT (1450 - 1700 hours).

During this maintenance, there will be an outage of up to 30 minutes. Stale data will appear on Data Miner, PJM Now, Data Viewer and PJM.com. PJM may utilize manual economic dispatch for generation control.