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
November 11, 2025 11/10/2025 12:49 PM EST CSV
November 07, 2025 11/06/2025 12:33 PM EST CSV
November 08, 2025 11/07/2025 12:47 PM EST CSV
November 09, 2025 11/08/2025 12:22 PM EST CSV
November 10, 2025 11/09/2025 12:17 PM EST CSV
 
Preliminary Real-Time Binding Constraints
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Description Timestamp Download
Current 11/10/2025 09:00 PM EST CSV
November 06, 2025 11/06/2025 11:55 PM EST CSV
November 07, 2025 11/07/2025 11:55 PM EST CSV
November 08, 2025 11/08/2025 09:45 PM EST CSV
November 09, 2025 11/09/2025 11:55 PM EST CSV
 
Preliminary Real-Time 15-Minute Binding Constraints
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Description Timestamp Download
Current 11/10/2025 08:51 PM EST CSV
November 06, 2025 11/06/2025 11:21 PM EST CSV
November 07, 2025 11/07/2025 11:21 PM EST CSV
November 08, 2025 11/08/2025 11:21 PM EST CSV
November 09, 2025 11/09/2025 11:21 PM EST CSV
 
Final Real-Time 15-Minute Binding Constraints
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Description Timestamp Download
Current 11/10/2025 12:33 PM EST CSV
November 04, 2025 11/06/2025 01:00 PM EST CSV
November 06, 2025 11/07/2025 12:35 PM EST CSV
November 07, 2025 11/10/2025 11:17 AM EST CSV
November 08, 2025 11/10/2025 11:35 AM EST CSV
 
Final Real-Time Five-Minute Binding Constraints
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Description Timestamp Download
Current 11/10/2025 12:33 PM EST CSV
November 04, 2025 11/06/2025 01:00 PM EST CSV
November 06, 2025 11/07/2025 12:35 PM EST CSV
November 07, 2025 11/10/2025 11:17 AM EST CSV
November 08, 2025 11/10/2025 11:35 AM EST CSV