WAPA » Regions » UGP » Power marketing

Southwestern power pool (SPP) membership

NOTE:  WAPA-UGP’s revenue requirement for transmission service is included in rate calculations for the Upper Missouri Zone (UMZ), or Zone 19, and all Ancillary Services are under the SPP Tariff.  For additional information on UMZ billing and rates, see the RRR File presently located at    .  If this link has changed please go to     ​to the following page: Home > SPP Documents & Filings > Governing (Tariff, Bylaws, Articles, Criteria, Membership/Seams Agreements, Market Protocols, Business Practices) > RRR for Billing Documents and link to Formula Rate Postings)

Federal Register Notice

  • FRN Notice of transfer of functional control of eligible WAPA-Upper Great Plains Region transmission facilities to Southwest Power Pool, Inc. on October 1, 2015, and Rate Schedules WAUGP–ATRR, WAUGP–AS1, WAUW–AS3, WAUW–AS4, WAUW–AS5, WAUW–AS6 and WAUW–AS7 made effective on that date.  February 18, 2016 (93 KB .pdf) 

Information and Presentations

Press Releases

SPP Submitted FERC Tariff Filings

  • 149 FERC ¶ 61,113 Before Commissioners - Issued November 10, 2014 (492 KB .pdf)
  • Tariff Filing ER14-2850 -Integrated System Open Access Transmission Tariff Revisions proposed to be effective 10/1/15
  • Tariff Filing ER14-2851 -Integrated System Bylaws and Membership Agreement Revisions proposed to be effective 11/10/14

Historical Decision Points

 For further information, contact:

Lloyd Linke, VP of Power Operations for UGP
Western Area Power Administration
Upper Great Plains Region
Phone: 406-255-2910 |email: lloyd​​

Page Last Updated: 4/29/2021 2:09 PM