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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.
 

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Search Historical Data Constraints Hourly reports are available from the past seven years and five minute reports are available from the past six months. Downloads are provided as .zip files. Choose one or many reports. Day-Ahead Binding Constraints Preliminary Real-Time Binding Constraints Preliminary Real-Time 15-Minute Binding Constraints Final Real-Time 15-Minute Binding Constraints Final Real-Time Five-Minute Binding Constraints Select a date range of one to 15 days From: To: Enter CAPTCHA text from image below Click the captcha box to request a new captcha image. Refresh CAPTCHA Text Verification (Required)   Cancel