PJM’s Real-Time Market is a spot market in which current LMPs are calculated at five-minute intervals based on actual grid operating conditions. The real-time prices are posted on the PJM Operational Data page. Transactions are settled hourly; invoices are issued to market participants monthly.

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

Postings	Posting Date
Units with GSU Modeled and High-Side LMP Calculation (XLS)	05.27.2010
New External Interface Price Definitions (XLS)	05.05.2009
Statuses from eMKT Dispatch Lambda page (XLS)	01.13.2009
7-Day Load Forecast
Monthly Real-Time LMP
Marginal Fuel Type Data
Pricing Point Calculator
Historical MCP Files (TXT)
Hourly Average Control Signal
Historical Bid Data
Preliminary Hourly Load Data
Load Data from 1998
Real-Time Oct/Nov Historical Mid-ATL/APS Load-Weighted Average LMP (XLS)	12.02.2004
Real-Time Transmission Constraints
Marginal Value of Real-Time Transmission Constraints 2009 (CSV)	01.04.2010
Real-Time Transmission Constraints 2009 (CSV)	01.04.2010
Real-Time Transmission Constraints (CSV)
Marginal Value of Real-Time Transmission Constraints (CSV)
Real-Time Transmission Constraints 2008 (CSV)	01.13.2009
Marginal Value of Real-Time Transmission Constraints 2008 (CSV)	01.13.2009
Real-Time Transmission Constraints 2007 (CSV)	01.02.2008
Marginal Value of Real-Time Transmission Constraints 2007 (CSV)	01.02.2008
Real-Time Transmission Constraints 2006 (CSV)	01.12.2007
Marginal Value of Real-Time Transmission Constraints 2006 (XLS)	01.12.2007
Real-Time Transmission Constraints 1998 - 2005 (CSV)	10.16.2006
Marginal Value of Real-Time Transmission Constraints 2003-2005 (CSV)	10.16.2006
Scarcity Pricing
Scarcity Pricing Region Zonal Definitions by Percentage (PDF)	06.27.2008
20070808 Scarcity Pricing Implementation Timeline (PDF)	08.09.2007
Scarcity Pricing Regions (XLS)	06.11.2010
Historical External Locational Marginal Prices (LMP)
Historical PEC Prices, February 2009 - May 2009 (CSV)	03.25.2010
Historical 20 GALIND 345 KV A Prices (XLS)	09.17.2009
Historic Highest and Lowest Bus Prices for DECSYS, PECGEN and NCMPA1 Aggregates (XLS)	03.02.2009
Historical DECSYS, PECGEN and NCMPA1 Real-Time LMP Prices (XLS)	02.18.2009
External Generator Bus Prices 20081218 HE 06-08 (XLS)	12.24.2008

Missing Real-Time Prices	Posting Date
Tansboro AE (CSV)	06.05.2006
Bath County (CSV)	07.15.2003

Hourly Pathway Flow Markets Data	Posting Date
September (XLS)	03.02.2005
August (XLS)	03.02.2005
July (XLS)	03.02.2005
June (XLS)	03.02.2005
May (XLS)	03.02.2005