Constraints

Recently Published Constraints Data

Download the latest reports on binding constraints in the Day-Ahead Energy Market and during the operating day.
 

A constraint is the maximum level a transmission system facility (or facilities) can operate to respect the most restrictive of its thermal, stability, and voltage limits. A constraint becomes "binding" when it limits the power flow between locations, which can lead to dispatch of units out of economic-merit order, potentially affecting the spot price.
 

 
Day-Ahead Binding Constraints
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Description Timestamp Download
December 13, 2025 12/12/2025 12:40 PM EST CSV
December 09, 2025 12/08/2025 12:34 PM EST CSV
December 10, 2025 12/09/2025 12:48 PM EST CSV
December 11, 2025 12/10/2025 12:45 PM EST CSV
December 12, 2025 12/11/2025 12:35 PM EST CSV
 
Preliminary Real-Time Binding Constraints
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Description Timestamp Download
Current 12/13/2025 12:55 AM EST CSV
December 09, 2025 12/09/2025 10:55 PM EST CSV
December 10, 2025 12/10/2025 11:55 PM EST CSV
December 11, 2025 12/11/2025 11:30 PM EST CSV
December 12, 2025 12/12/2025 09:10 PM EST CSV
 
Preliminary Real-Time 15-Minute Binding Constraints
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Description Timestamp Download
Current 12/13/2025 02:06 AM EST CSV
December 09, 2025 12/09/2025 11:18 PM EST CSV
December 10, 2025 12/10/2025 11:21 PM EST CSV
December 11, 2025 12/11/2025 11:21 PM EST CSV
December 12, 2025 12/12/2025 11:21 PM EST CSV
 
Final Real-Time 15-Minute Binding Constraints
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Description Timestamp Download
Current 12/12/2025 02:55 PM EST CSV
December 07, 2025 12/08/2025 03:44 PM EST CSV
December 08, 2025 12/09/2025 01:42 PM EST CSV
December 09, 2025 12/12/2025 02:32 PM EST CSV
December 10, 2025 12/12/2025 02:48 PM EST CSV
 
Final Real-Time Five-Minute Binding Constraints
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Description Timestamp Download
Current 12/12/2025 02:55 PM EST CSV
December 07, 2025 12/08/2025 03:44 PM EST CSV
December 08, 2025 12/09/2025 01:42 PM EST CSV
December 09, 2025 12/12/2025 02:32 PM EST CSV
December 10, 2025 12/12/2025 02:48 PM EST CSV