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Day-Ahead Energy Market

PJM’s Day-Ahead Market is a forward market in which hourly LMPs are calculated for the next operating day based on generation offers, demand bids and scheduled bilateral transactions.

The following postings provide current and historical information about specific aspects of the Day-Ahead Market.

Postings
Daily Day-Ahead Locational Marginal Pricing (LMP)
Monthly Day-Ahead LMP
Hourly Day-Ahead Demand Bid Data
Monthly Financial Transmission Rights (FTR) Zonal LMP
Day Ahead Frequently Asked Questions (PDF)

Day-Ahead Transmission Constraints
Marginal Value of Day-Ahead Transmission Constraints 2010 (CSV)
Day-Ahead Transmission Constraints 2010 (CSV)
Day-Ahead Transmission Constraints (CSV)
Marginal Value of Day-Ahead Transmission Constraints (CSV)
Day-Ahead Transmission Constraints 2009 (CSV)
Marginal Value of Day-Ahead Transmission Constraints 2009 (CSV)
Day-Ahead Transmission Constraints 2008 (CSV)
Marginal Value of Day-Ahead Transmission Constraints 2008 (CSV)
Day-Ahead Transmission Constraints 2007 (CSV)
Marginal Value of Day-Ahead Transmission Constraints 2007 (CSV)
Day-Ahead Transmission Constraints 2000-2006 (CSV)
Marginal Value of Day-Ahead Transmission Constraints 2002-2006 (CSV)

Historical Data Posting Date
2010 Day-Ahead Demand (XLS) 01.25.2011
2010 Day-Ahead Demand Forecast (XLS) 01.25.2011
Historical Day-Ahead Western Hub Prices
2009 Day-Ahead Demand (XLS) - The cleared demand in the day-ahead case. 04.01.2010
2009 Day-Ahead Demand Forecast (XLS) - The actual load forecast at the time the day-ahead case was kicked off. 04.01.2010
2008 Day-Ahead Demand (XLS) - The cleared demand in the day-ahead case. 04.01.2010
2008 Day-Ahead Demand Forecast (XLS) - The actual load forecast at the time the day-ahead case was kicked off. 04.01.2010
Historical DECSYS, PECGEN and NCMPA1 Day-Ahead LMP Prices (XLS) 02.18.2009
Day-Ahead Oct/Nov Historical Mid-ATL/APS Load-Weighted Average LMP (XLS) 12.02.2004
Nodal Reference Prices for Virtual Bid Screening Posting Date
Jan - Feb 2012 (XLS) 12.22.2011
Nov - Dec 2011 (XLS) 10.26.2011
Missing Day-Ahead Prices Posting Date
Tansboro AE (CSV) 06.05.2006
Bath County (CSV) 07.15.2003
Steel City (CSV) 07.15.2003