Markets & Operations

Data Miner

Data Miner 2 is now live
Visit Data Miner 2 for all available data.

In response to member feedback, PJM has improved the way public information, such as historic locational marginal pricing data, is made available through The new Data Miner tool provides a new method for requesting specific public data through the website as well as a method for making system-to-system requests (via Web Services). This enhancement enables stakeholders to request public data over a date range of their choosing, as well as for specific pnodes, and allows this data to be downloaded in formats that are easier to analyze and manage (.csv, .xml). While this new application provides extended capability for the user, the existing methods and formats for retrieving public data from have not been affected.

Access Data Miner

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

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New Features Available

  • New Pricing Node Portfolio feature allows signed in users to save a portfolio of locational marginal pricing nodes for later searches
  • Query pricing nodes by state and zip code
  • gzip file compression, which allows users to download large amounts of data more quickly
Frequently Asked Questions
User Guide PDF