Markets & Operations


eDataFeed is a web service that allows subscribers to select and “stream” PJM locational marginal price data, as well as some operational data directly into their system. eDataFeed delivers information in a format called Simple Object Access Protocol (SOAP) that enables data capture, analysis and decision support to meet the trading, risk management and business decisions of PJM’s members.

WSDL (requires authentication) | Register

eDataFeed is available for production access for registered users.

Acceptable Terms of Use
Data connections should not exceed 600 per minute.

Information and data contained in eDataFeed is for internal use only and redistribution of information and or data contained in or derived from eDataFeed is strictly prohibited without an effective PJM-issued Redistribution License.

New features include support for compression of result sets during transfer, WS-Security, Microsoft .Net client and 72-hour load forecast data. 

User Guide DOC
Commercial eDataFeed Terms of Use PDF
Sample XML File XLS
Example Client: .Net | Java ZIP
.Net Client with Visual Studio 2015 ZIP
XML Documentation - getAllBusLMP Results XMLgetAllAggregateLMP Results XML