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    DC Ties Update - Updated 10-12-2016 00:13 CPT
    SWPP Flowgates- Updated 8-2-2013 08:35 CPT
    OOME Directives- Updated 09-16-2016 09:03 CPT
    Montana Hi-Line Load Switching- Updated 11-15-15 10:20 CPT


            Real Time Operations Notices:

          Currently Operating Under Normal Conditions     

    Notification of Bi-Annual Reserve Zone Study Results

    The latest bi-annual reserve zone study has been completed. SPP is not recommending any change to the current reserve zone definitions at this time. No reserve zone definition changes will be made on the bi-annual effective date of June 1, 2016. Details of the study results will be presented at a future MWG meeting.


    Effective Wednesday, July 24, 2013 at 1000 hours. Revisions to Business Practice 1500, 2350, and 1700 with additional information concerning Preemption and Competion can be found in the document "DC Tie Reservation and Preemption and Competition modifications" which can be found under the Transmission Folder in the left column.

                                                         WELSH HVDC Project information may be found under the Transmission Folder in the left column. Or click here for more details.

    The SPP Primary Coordination Center has relocated to 201 Worthen Drive, Little Rock, AR 72223-4936. Contact telephone numbers have NOTchanged. However, the FAX numbers HAVEchanged. FAX numbers are as follows:                         

    RTO Tariff & Interchange:  Primary Coordination Center:  501-482-2031        Back-Up Coordination Center:  501-851-6580

    ATTENTION SPP Network Customers: According to currently posted SPP Business Practice 4200, "The Request Reference Fieldon the [Non-firm Network] reservation should include the original network service [A.K.A. Master NITS] OASIS reference number." Please note that any request for Non-firm Network Service that does not include the Master NITS reservation number in the Request Referencefield will be deemed INVALID.

    The previous SPP OASIS will still be 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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