PJM will be performing system maintenance to Markets Gateway in the Production environment on Thursday, December 11, 2025, from 3:00 p.m. - 6:00 p.m. EPT (1500 - 1800 hours). During this maintenance, there will be an outage of up to 30 minutes. Stale data will appear on Data Miner, PJM Now, and LMP postings on Data Viewer and on the Markets and Operations page of PJM.com.

Potential Website Outages

PJM.com will be performing system maintenance on Monday, December 15, 2025 from 5:00 p.m. – 7:00 p.m. (1700-1900 hours). During this maintenance, intermittent website outages may occur.