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  • NAESB Home Page

  • Standards of Conduct

  • Performance Metrics
    Transmission Study Metrics
    Transmission Service Request Metrics
  • ACE - Prior Year 1-Minute Averages

  • ACE - Prior Year 10-Minute Averages

  • Interface Definitions

  • Marketplace Portal

  • Marketplace Public Data for Re-pricing
    Business Practices, Waivers, and Exemptions
  • Business Practices

  • Marketplace Information
    ASOM 2016
    Emergency OOMEs
  • Market Protocols

  • Market System Status

  • Marketplace Violation Relaxation Limits (VRLs)
  • Active Configuration for Priority Group Assignment

  • ATC Information
    FAC-13-2 Methodology
    Current Available Transfer Capability Implementation Document - ATCID
    Current CBM Process Document - CBMPD
    Current TRM Implementation Document - TRMID
    ATC Methodology Contact
    Current Load Forecast Descriptive Statement
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    Current Flowgate Methodology Grandfathered Agreements
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  • List of PORs/PODs available on OASIS

  • Sources and Sinks Mapped to AFC Zones
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  • Discretion

  • Message Notification Setup
    NITS on OASIS Educational Session
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  • Archive Muskogee Posting 20161116
    Archive 2/28/17: NITS on OASIS Transition Update
    Archive NITS on OASIS Transition Status and Application Mapping
    Archive NITS on OASIS deployment
    SPP BA Information
    Calculating Regulating Reserves
    SPP Regional Tariff
    Customer Schedule 7/8 Purchases
    Customer Tariff Purchases
  • SPP Regional Open Access Transmission Tariff

  • Transmission Owner Revenue
  • SPP Effective Planning Criteria

  • SPP Operating Criteria and Appendices

  • Attachment P - Timing Requirements
    Attachment AU MW Mile Allocations
    Customer Registration - Credit Policy - Attachment X
    Attachment S - Base Plan Upgrades
    SPP Billing Breakout Disclosure
    Network Service
  • Aggregate Transmission Service Study Process

  • List of SPP NITS Customers
  • List of Network Resources

  • Rate Information
  • Discounts (ARCHIVE)

  • Updated Discount Information
  • Price Matrix

  • Transmission
  • CBM

  • DC Tie Reservation/Preemption and Competition modifications
  • DC Ties Update

  • Interface values
  • Outages

  • CROW to Offline Model Mapping Information
  • IS West-Side Transmission Outages

  • Welsh HVDC Tie Project
  • Transmission Loading Relief

  • TLR Curtailments

  • All OOMEs (Weekly Update)
    Montana Hi-Line Load Switching
  • LLR Report

  • Congestion Constraints by Flowgate
    Congestion Constraints by Flowgate
    SWPP Flowgates
    Flowgate Archive (prior to May 2014)
    SECI - Wind Conference Coordination
    Bus to Bus Facilities Layout - Ratings Increases
    Bus to Bus Facilities Layout - Shoulder Ratings
    Nerc Alert Plan
    SECI Facility Rating Updates
    SECI Wind Coordination Process
  • SPP Corporate Website

  • Delayed Offering
    Discretion Log and Late Tag Exceptions
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  • SPP Memo of Authority 07/07/2017
  • Past Due List

  • Member Related Postings

  • Customer Assistance Proposal
    Overview of Customer Assistance Process
    Member Related Postings
    Grain Belt Express Clean Line Transmission Project
    Plains and Eastern Transmission Project
    EIS Market Information
  • SFTDA Posting

  • Supply Adequacy Calculator
  • Deployment Test Scenarios

  • EIS Price Correction

  • FERC 890 Postings
  • FERC 890 Postings

  • Granting ATC Waiver
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    ATC Changes due to 10% or Greater TTC Change
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    Interchange Scheduling Reference Manual
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    Transmission Service Reference Manual
    Current Copy of Fax Transmission Service Request Form
    Current Copy of Fax Tag Form
    Reserving Point-to-Point Transmission Service utilizing MKEC Facilities
    General Rule for Reserving SPP Service
    SPP Reserve Sharing Group
  • SPP Reserve Sharing

  • Long Term Tariff Studies
    GI transition for IS
  • Posted Planning and System Impact Studies

  • Roll-In Criteria
    Order 890 Effect on Pending Transmission Service Request (Revised)
    Local Area Planning Criteria
    Fixed TSR List
  • Posted Congestion Management Process (CMP) between SPP, MISO, and PJM

  • NNL ASTFC Data Report

  • About the NNL ASTFC Data Report
    SPP Business Systems Updates - Updated 8/23/2012
    *Updated* Daily Non-firm On/Off-Peak Transmission Service
    Network Reservation Limit Validation Activation
    OATI webOASIS Private Cloud Migration
    OASIS Transition News
    January 2012 SPP Business Practice Update
    Integrated System Transition Updates
    Transition Plan for Transmission Customers of Integrated System
    Interconnection Requirements
    Transmission Owner Interconnection Requirements
    Archive RFP Interconnection Requirements
    MKEC Interconnection Requirements
    Sunflower Electric Power Corp Interconnection Requirements
    WFEC Interconnection Requirements
    Test Archive doc
    Archive: Business Practice Revision Items
    BPR List
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    BPR Approval History
    Transition to Revision Request Process
    BPR001 Report
    BPR002 Report
    BPR004 Report
    BPR005 Report
    BPR006 Report
    BPR007 Report
    BPR008 Report
    BPR009 Report
    BPR010 Report
    BPR011 Report
    BPR012 Report
    BPR013 Report
    BPR014 Report
    BPR015 Report
    BPR016 Report
    BPR017 Report
    BPR018 Report
    BPR019 Report
    BPR020 Report
    BPR021 Report
    BPR022 Report
    Completed BPRs
    Transition the Revision Request Process
    BPR003 (not in BPR format)

    Welcome to SWPP


    DC Ties Update - Updated 3-19-2018 12:25 CPT
    SWPP Flowgates- Updated 3-21-2018 19:31 CPT:
    Emergency OOMEs - Updated 08-18-2017 01:35 CPT CPT
    Montana Hi-Line Load Switching- Updated 11-29-17 15:15 CPT

    Real Time Operations Notices:


                              Working under normal operating conditions.



    SPP OASIS Homepage Modifications to the UPDATES section:

    • Delayed Offerings link has been replaced with a link to SWPP Flowgates.
    • "OOME Instructions" has been renamed "Emergency OOMEs."
    • "Manual Curtailments (Previously called NDR Curtailments)" has been renamed "All OOMEs (Weekly Update) - Previously called Manual Curtailments"

    These links provide easy access to documents which are also accessible from the DOCUMENTS section on the left side of the page; those links have been renamed as well.



    In the spring of 2016, SPP identified an error in the model used for the MW-mile impact calculation in which the ownership of certain transmission facilities were not attributed to ITC Great Plains. The error resulted in the incorrect distribution of PTP revenues to other SPP Transmission Owners. SPP corrected the error in the model and the MW-mile impact calculation in the June 2016 billing cycle. Since that time, SPP has spent significant time reviewing the settlements data and determined that the net impact of this error was de minimus. As a result, SPP does not plan to initiate a resettlements process to correct this error historically.

    Please direct any questions regarding this error to Steve Davis at

    Recently FERC approved Docket ER17-1413 which modified the “No Earlier Than” submission time for Hourly transmission service from 12:00 Noon Day Prior to 10:00 am Day Prior.  SPP Staff is currently testing this change to ensure the change introduces no unintended consequences.  Until such time as the testing confirms no adverse results, Hourly Transmission Service will retain a No Earlier Than submission time of 12:00 Noon Day Prior.  At such time as the change is made, an OASIS posting will serve as Transmission Customer notification.

    Attention SPP Network Customers:

    Updates regarding NITS on OASIS transition status and application mapping information are posted in the OASIS Notices folder.

    Preemption and Competition information can be found in the document "DC Tie Reservation and Preemption and Competition modifications" which is within the Transmission Folder in the left column.

    The SPP Primary Coordination Center is located at 201 Worthen Drive, Little Rock, AR 72223-4936. Contact telephone number for primary Operations:  501-614-3900

    FAX numbers:Primary Coordination Center 501-482-2031   Alternate Coordination Center 501-851-6580

    The previous SPP OASIS is still available for research purposes. Only TSRs in a status of QUEUED, RECEIVED, STUDY, ACCEPTED, COUNTEROFFER, and CONFIRMED with an end date after June 24, 2009 were moved over to the webOASIS system. All other TSRs are still available for review at

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