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
September 14, 2025 09/13/2025 12:53 PM EDT CSV
September 09, 2025 09/08/2025 12:47 PM EDT CSV
September 10, 2025 09/09/2025 12:36 PM EDT CSV
September 12, 2025 09/11/2025 12:40 PM EDT CSV
September 13, 2025 09/12/2025 12:48 PM EDT CSV
 
Preliminary Real-Time Binding Constraints
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Description Timestamp Download
Current 09/13/2025 10:25 PM EDT CSV
September 09, 2025 09/09/2025 11:55 PM EDT CSV
September 10, 2025 09/10/2025 07:55 PM EDT CSV
September 11, 2025 09/11/2025 10:25 PM EDT CSV
September 12, 2025 09/12/2025 10:55 PM EDT CSV
 
Preliminary Real-Time 15-Minute Binding Constraints
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Description Timestamp Download
Current 09/13/2025 11:51 PM EDT CSV
September 10, 2025 09/10/2025 11:21 PM EDT CSV
September 11, 2025 09/11/2025 11:21 PM EDT CSV
September 12, 2025 09/12/2025 11:21 PM EDT CSV
September 13, 2025 09/13/2025 11:21 PM EDT CSV
 
Final Real-Time 15-Minute Binding Constraints
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Description Timestamp Download
Current 09/12/2025 01:40 PM EDT CSV
September 07, 2025 09/08/2025 03:52 PM EDT CSV
September 08, 2025 09/09/2025 01:16 PM EDT CSV
September 09, 2025 09/10/2025 02:26 PM EDT CSV
September 10, 2025 09/11/2025 01:01 PM EDT CSV
 
Final Real-Time Five-Minute Binding Constraints
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Description Timestamp Download
Current 09/12/2025 01:40 PM EDT CSV
September 07, 2025 09/08/2025 03:52 PM EDT CSV
September 08, 2025 09/09/2025 01:16 PM EDT CSV
September 09, 2025 09/10/2025 02:26 PM EDT CSV
September 10, 2025 09/11/2025 01:01 PM EDT CSV