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Rates and repayment services

Upper Great Plains region​

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Firm Power Rate Schedules

2018 Firm Power Service, Firm Peaking Power Service, and Sale of Surplus Product Rate Schedules, effective January 1, 2018 to December 31, 2022, or until supersceded


2017 Modified Drought Adder Charges, effective January 1, 2017 to December 31, 2019, or until supersceded

2015 Firm Power Service and Firm Peaking Power Service Rate Schedules, effective January 1, 2015 to December 31, 2019, or until supersceded


Firm Power Rate Adjustment Process 


Power Customer notifications



Transmission and Ancillary Service Rates

NOTE:  Western-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)

2018 Transmission and Ancillary Service Rates​


2017 Transmission and Ancillary Service Rates​


Power Reporting


If you have any questions, call Linda Cady-Hoffman, UGP Rates Manager, 406-255-2920

Page Last Updated: 12/1/2017 10:01 AM