Data Miner Data Miner provides members and non-members with easier, faster and more reliable access to PJM's public data. The tool features a robust architecture, monitoring of data quality, and the ability to search and filter data. Automatic queries can be received with a PJM account through the Data Miner application program interfaces (API). To learn about upcoming technical changes to Data Miner, please visit PJM’s Tech Change Forum. If you cannot find the data you are looking for, visit the Data Availability page. Data Miner Release Notes Acceptable Terms of Use PDF PJM Members may not exceed 600 data connections per minute. Non-members may not exceed 6 data connections per minute. Information and data contained in Data Miner is for internal use only and redistribution of information and or data contained in or derived from Data Miner is strictly prohibited without an active PJM Membership. A minimum level of Associate Membership is required. Reference Materials Date Marginal Emissions Primer PDF 10.22.2025 Hourly Load Area Mapping XLS 4.17.2023 eDataFeed to Data Miner Feeds List XLS 3.24.2021 FAQs User Guides Date API PDF 9.22.2023 Historic Data PDF 6.26.2020 Getting Started PDF 3.12.2019 Training Date Tech Change Community 7.28.2020