Monday, August 31, 2026

PJM Interconnection Issues Maximum General Alert, Load Management Alert For Sept. 1

On August 31, the
PJM Interconnection issued a Maximum General Alert and a Load Management Alert for September 1 to help maintain reliable grid operations through unusually hot and humid weather.

These alerts do not require any action from customers.

A Hot Weather Alert remains in effect for the entire region PJM serves through September 3.  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.

A Maximum Generation Alert is targeted at transmission/generation owners, who then determine if any maintenance or testing on equipment can be deferred or canceled. 

By deferring maintenance, the units stay online and continue to produce energy that is needed to serve electricity demand within the PJM region. 

This alert is also used to notify neighboring systems that electricity exports from PJM may be curtailed, serving as a procedural step that allows those neighboring regions to plan accordingly.

A Load Management Alert gives advance notification that load management action may be declared, including Pre-Emergency and Emergency Demand Response. 

Demand Response programs pay customers in advance who sign up to allow reduction of their electricity use in emergencies.

Click Here to read more about PJM’s emergency procedures and messages.

Forecasted Load Peaks

PJM's current forecasted load peaks are--

-- September 1 - 150,913 MW (was 154,522 MW)

-- September 2 - 155,966 MW (was 155,046 MW)

-- September 3 - 156,083 MW (was 156,103 MW)

PJM’s peak record was 165,563 MW, set on Aug. 2, 2006.

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.

[Posted: August 31, 2026]  PA Environment Digest

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