Tuesday, January 27, 2026

PJM Continues Cold Weather Operations, Projects Breaking Winter Peak Demand Record Jan. 28, 29, 30

On January 27, the
PJM Interconnection said it continues to operate through the extreme cold temperatures and corresponding high electricity use brought to the PJM region by Winter Storm Fern.

The extreme cold is currently expected to continue through Sunday, Feb. 1, so PJM is taking additional precautions with its generation and transmission owners to prepare.

Depending on temperatures, PJM projects it will exceed the 143,700 MW Winter Demand Record on January 28, 29 and 30 in its 13 state footprint.

Forecast Peak Loads are expected to be--

-- January 28-- 144,400 MW

-- January 29-- 145,300 MW

-- January 30-- 148,000 MW

-- January 31-- 133,000 MW

-- February 1-- 127,000 MW

Maximum General Alert, Load Management Alert

A Maximum Generation Alert and Load Management Alert currently in effect will expire 11:59 p.m. Jan. 27 and was not extended.

Low Voltage Alert

A  Low Voltage Alert remains in effect across its footprint through Jan. 31. A Low Voltage Alert is an additional precautionary alert that does not require any action from customers.

Data Center Backup Generation

The US Department of Energy issued an order Monday evening directing the deployment of backup generation for data centers.

The DOE’s expedited process for grid operators to obtain emergency orders for use of backup generators will be helpful as a last resort to avoid impacts to residential customers if the PJM generation fleet or transmission system were to experience major outages.

Click Here for the PJM complete announcement.

NewsClip:

-- The Power Line: 10 GW Of Natural Gas Electric Generation Was Forced Offline In PJM Due To Constrained Natural Gas Supplies So Far

Resource Links:

-- PJM Interconnection: US DOE Issues Order To Allow Power Plants To Run Without Regard To Air Quality Or Other Permit Limits Thru Jan. 31  [PaEN]

-- PJM Interconnect Issues Cold Weather Alert For Western Region Jan. 23 Expanding To Entire PJM Area Jan. 24-27; Regional Grid Could Exceed Winter Demand Record on Jan. 27 & 30  [PaEN] 

[Posted: January 27, 2026]  PA Environment Digest

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