OASIS The Open Access Same-Time Information System (OASIS) provides information about available transmission capability for point-to-point service and a process for requesting transmission service on a non-discriminatory basis. OASIS enables transmission providers and transmission customers to communicate requests and responses to buy and sell available transmission capacity offered under the Open Access Transmission Tariff. Production: Sign In | Register for an account: User | System Train: Sign In | Register for an account: User | System User Guide | API Guide PDF 3.19.2019 Tech Change Forum - Special Session - OASIS Training & Education Product Name Changes from OASIS Legacy to Refresh PDF Command Line Interface - Java 8+ ZIP | Checksums: SHA2 | SHA3 NAESB BPS WEQ 001-13 Standardized Information NAESB Home Page Performance Metrics Business Practices, Waivers & Exemptions ATC Information Business Practices, Waivers & Exemptions Regional Practices: Clean PDF | Redline PDF Regional Practices & Merchant Business Practices Amendment Process PDF PJM Waivers and Exemptions Intra-BA Transaction Submission Method Selection PDF OASIS Reference Date Open Access Transmission Tariff WEB | PDF Credit Overview PDF Overview of PJM UDS Fail Procedures PDF OASIS Transmission Path Source/Sink Values XLS 4.15.2025 Fixed Weighted-Average Aggregate Definitions North American Electric Reliability Corporation Tagging - Priority Codes Job Aid DOC PJM Transmission Charges Example PDF Options for Procuring New Firm PTP Transmission Service PDF Designated Network Resources (DNR)* Designated Network Resources (DNR) CSV ** DNR Delisting Requests CSV * DNRs listed are physically internal to PJM. External resources may be queried on the PJM OASIS. ** Does not account for delisting requests. Confirmed OASIS Requests Process of Sharing or Transferring Unused Allocations PDF PJM is posting confirmed transmission reservation data in an effort to provide more efficient access to historical reservation data. The monthly posting is posted approximately 6 business days after the last day of the previous month. Note: All hours in the files below are in Eastern Prevailing Time (EPT) unless otherwise noted. 2025 June CSV May CSV April CSV March CSV February CSV January CSV Previous Requests 2024 ZIP 2023 ZIP 2022 ZIP 2021 ZIP 2020 ZIP 2019 ZIP 2018 ZIP Contact PJM (866) 400-8980 (610) 666-8980 Member Relations First-Time Users User Guide PDF System Requirements Purchasing OASIS During DST PDF PKI Certificates and Two-Step Verification Browserless/API PDF Manuals Manual 2: Transmission Service Request WEB | PDF MISO JOA | Progress JOA PDF Holidays & business calendars can be found in the Billing, Settlements & Credit section. Forms Open Access Transmission Tariff – Attachment A (Firm Point-to-Point Transmission Service) WEB & Attachment F (Network Integration Transmission Service) WEB Pricing Date Guide to Billing PDF 7.1.2010 Dispatch Rates Locational Marginal Prices Pricing Point Calculator Transmission Owner Formula Rates Regional Through & Out Rates Date Notification PDF 5.30.2019 Additional Information XLS 3.19.2007 Available Transfer Capability (ATC) References Algorithms for Available Flowgate Capability (AFC) & ATC Calculations PDF Planning References Planning Strawman Required by the Federal Energy Regulatory Commission in Order No. 890 PDF Queues: Queues, Retirements & Retools New Services Queue New Service Requests Generation Deactivations