PJM said a combined US Department of Energy emergency order to require large loads to go to backup generation and generating units to exceed environmental limits is still in place, if needed.
A Hot Weather Alert is a routine procedure PJM issues ahead of forecasted hot weather and/or high humidity to prepare transmission and generation staff and facilities for expected increases in electricity demand, or load.
This procedure does not require any action from customers.
The Maximum Generation Alert and Load Management Alerts are no longer in effect.
This is the eighth Hot Weather Alert of the summer. The others were issued for May 18-20, June 5-6, June 11-12, June 18, June 29 to July 5, July 14 to 17 and August 9 to 11.
Click Here for the PJM announcement.
The PJM Interconnection coordinates the wholesale electricity grid and markets for all or parts of 13 states—Delaware, Illinois, Indiana, Kentucky, Maryland, Michigan, New Jersey, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, and West Virginia—plus the District of Columbia.
Related Articles This Week:
-- PA Public Utility Commission Estimates Data Center-Driven Industrial Electricity Use In Pennsylvania Will Increase 18.56% A Year Thru 2030; Up From 0.22% Annually In 2024 [PaEN]
-- PJM Interconnection Extends Maximum Generation Alert, Load Management Alert To Sept. 2; Requested, Received DOE Approval To Require Data Centers, Large Loads To Go To Backup Generation If Needed [PaEN]
-- PJM Interconnection Issues Maximum General Alert, Load Management Alert For Sept. 1 [PaEN]
-- PJM Interconnection Electric Grid Operator Issues Hot Weather Alert For Aug. 31 to Sept. 2 For Its Entire Region - 8th This Summer [PaEN]
-- Independent Fiscal Office Reports 2nd Quarter PA Natural Gas Production Declines Slightly Again; Price Of Natural Gas For Residential Customers Increased By 7.3% From Prior Year [PaEN]
NewsClips:
-- The Guardian: Blackout Risk Rises As Heatwave Stresses PJM Electric Grid; DOE Approves Emergency Order
-- WESA - Rachel McDevitt: Energy Bills Driven By A.I. Data Centers Threaten PA Small Businesses, Report Says
-- Inside Climate News: Maryland Consumer Advocate Challenges PJM Backstop Power Auction Plan Says It Will Expose Customers To $562 Million In Long-Term Costs
-- Reuters: Texas’ Halt On Powering A.I. Data Centers Reflects US Reckoning Over ‘Ghost’ Power Demands And Impacts On Electricity Markets [PJM Included]
[Posted: September 3, 2026] PA Environment Digest
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