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
More >
Description Timestamp Download
May 27, 2026 05/26/2026 12:37 PM EDT CSV
May 23, 2026 05/22/2026 12:59 PM EDT CSV
May 24, 2026 05/23/2026 12:35 PM EDT CSV
May 25, 2026 05/24/2026 12:41 PM EDT CSV
May 26, 2026 05/25/2026 01:13 PM EDT CSV
 
Preliminary Real-Time Binding Constraints
More >
Description Timestamp Download
Current 05/26/2026 05:55 AM EDT CSV
May 22, 2026 05/22/2026 10:20 PM EDT CSV
May 23, 2026 05/23/2026 05:45 PM EDT CSV
May 24, 2026 05/24/2026 10:20 PM EDT CSV
May 25, 2026 05/25/2026 10:30 PM EDT CSV
 
Preliminary Real-Time 15-Minute Binding Constraints
More >
Description Timestamp Download
Current 05/26/2026 01:06 PM EDT CSV
May 22, 2026 05/22/2026 11:18 PM EDT CSV
May 23, 2026 05/23/2026 11:18 PM EDT CSV
May 24, 2026 05/24/2026 11:18 PM EDT CSV
May 25, 2026 05/25/2026 11:21 PM EDT CSV
 
Final Real-Time 15-Minute Binding Constraints
More >
Description Timestamp Download
Current 05/26/2026 12:55 PM EDT CSV
May 20, 2026 05/21/2026 01:04 PM EDT CSV
May 21, 2026 05/26/2026 10:52 AM EDT CSV
May 22, 2026 05/26/2026 10:56 AM EDT CSV
May 23, 2026 05/26/2026 11:29 AM EDT CSV
 
Final Real-Time Five-Minute Binding Constraints
More >
Description Timestamp Download
Current 05/26/2026 12:55 PM EDT CSV
May 20, 2026 05/21/2026 01:04 PM EDT CSV
May 21, 2026 05/26/2026 10:52 AM EDT CSV
May 22, 2026 05/26/2026 10:56 AM EDT CSV
May 23, 2026 05/26/2026 11:29 AM EDT CSV