Upcoming Changes

User Guide (PDF)

This page provides a list of planned outages to PJM tools, websites and apps, as well as delayed data or report deadlines.

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Items per page: 1 - 5 of 5

Date/Time of Change	Details	Duration of Impact
1.8.2026 - 12.31.2026 12:00 a.m. - 12:00 a.m.	Increased Reserve Requirements Tool/Website: Markets Gateway, Messages Impacts: Environment: Production Actions Required: No action required/information only, Please share within your organization Increased Reserve Requirements 1.8.2026 00:00 to 12.31.2026 00:00 Due to the non-performance of committed Synchronized Reserve resources during Synchronized Reserve Events since the implementation of Reserve Price Formation (October 1, 2022) and to maintain compliance with NERC Standards, effective from May 19, 2023, PJM carried an additional 30% on the Reliability requirement component of Synchronized and Primary reserve in the RTO only in the Day-Ahead, and Real-time Markets for all hours. Effective January 9, 2026 instead of 30% PJM will carry an additional 20% on the Reliability requirement component of Synchronized and Primary reserve in the RTO only in the Day-Ahead, and Real-time Markets for all hours until further notice. For example (rounded to whole MW): If the largest single contingency = 1,630 MW Default (100% of largest contingency) Synchronized Reserve requirement: 1,6301 + 190 = 1,820 MW Primary Reserve requirement: 1,6301.5 + 190 = 2,635 MW 30-Minute Reserve requirement: Max(3,000, gas contingency, PR reliability) + 190 = 3,190 MW Increased reliability by 20% Synchronized Reserve requirement: 1,6301.2 + 190 = 2,146 MW Primary Reserve requirement: 1,6301.2*1.5 + 190 = 3,124 MW 30-Minute Reserve requirement: Max(3,000, gas contingency, PR reliability) + 190 = 3000 + 190 = 3,190 MW If you have any questions regarding this message, please contact PJM Customer Service at (866) 400-8980 or send an email to custsvc@pjm.com. Thank you.
7.31.2026 12:00 p.m. - 12:05 p.m.	The EIT application window will open on 7/31/26 at 12pm EPT in NextGen. Tool/Website: NextGen Impacts: Environment: Production Actions Required: No action required/information only, Please share within your organization The EIT application window will open on 7/31/26 at 12pm EPT in NextGen. 7.31.2026 from 12:00 to 12:05 The Expedited Interconnection Track application window will open on 7/31/26 at 12pm EPT in NextGen.
8.19.2026 3:00 p.m. - 6:00 p.m.	Maintenance to Markets Gateway in Prod. on Aug. 19 from 3:00 p.m. - 6:00 p.m. EPT Tool/Website: Data Miner 2, Data Viewer, Markets Gateway, PJM Now, PJM.com and other subsidiary websites Impacts: Stale Data, Tool or website outage Environment: Production Actions Required: Please share within your organization, Users will be unable to access tool or website Maintenance to Markets Gateway in Prod. on Aug. 19 from 3:00 p.m. - 6:00 p.m. EPT 8.19.2026 from 15:00 to 18:00 PJM will be performing system maintenance to Markets Gateway in the Production environment on Wednesday, August 19, 2026, 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, Data Viewer and PJM.com. Impacted Tool Markets Gateway	Up to 30 Minutes
8.20.2026 11:00 a.m. - 12:00 p.m.	Maintenance to Queue Point in Prod. and Train on Aug. 20 from 11:00 a.m. - Noon EPT Tool/Website: Planning Center - Queue Point and Gen Model Impacts: Tool or website outage Environment: Production Actions Required: Please share within your organization, Users will be unable to access tool or website Maintenance to Queue Point in Prod. and Train on Aug. 20 from 11:00 a.m. - Noon EPT 8.20.2026 from 11:00 to 12:00 PJM will be performing system maintenance in the Production and Train environments on Thursday, August 20, 2026, from 11:00 a.m. - Noon EPT (1100-1200 hours). During this maintenance, there will be an outage of up to 5 minutes. Impacted Tool Planning Center: Queue Point	Up to 5 Minutes
8.20.2026 11:00 a.m. - 12:00 p.m.	Maintenance to Queue Point in Prod. and Train on Aug. 20 from 11:00 a.m. - Noon EPT Tool/Website: Planning Center - Queue Point and Gen Model Impacts: Tool or website outage Environment: Train Actions Required: Please share within your organization, Users will be unable to access tool or website Maintenance to Queue Point in Prod. and Train on Aug. 20 from 11:00 a.m. - Noon EPT 8.20.2026 from 11:00 to 12:00 PJM will be performing system maintenance in the Production and Train environments on Thursday, August 20, 2026, from 11:00 a.m. - Noon EPT (1100-1200 hours). During this maintenance, there will be an outage of up to 5 minutes. Impacted Tool Planning Center: Queue Point	Up to 5 Minutes

Items per page: 1 - 5 of 5

Upcoming Changes

Increased Reserve Requirements

1.8.2026 00:00 to 12.31.2026 00:00

The EIT application window will open on 7/31/26 at 12pm EPT in NextGen.

7.31.2026 from 12:00 to 12:05

Maintenance to Markets Gateway in Prod. on Aug. 19 from 3:00 p.m. - 6:00 p.m. EPT

8.19.2026 from 15:00 to 18:00

Maintenance to Queue Point in Prod. and Train on Aug. 20 from 11:00 a.m. - Noon EPT

8.20.2026 from 11:00 to 12:00

Maintenance to Queue Point in Prod. and Train on Aug. 20 from 11:00 a.m. - Noon EPT

8.20.2026 from 11:00 to 12:00

Maintenance Details