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Rates and repayment services

Upper Great Plains region​

News Room

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Power Service, and Sale of Surplus Product Rate Schedules, effective January 1, 2018 to December 31, 2022, or until superseded

2017 Modified Drought Adder Charges, effective January 1, 2017 to December 31, 2019, or until superseded

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Power Service and Firm Peaking Power Service Rate Schedules, effective January 1, 2015 to December 31, 2019, or until superseded

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​ocuments-filings/?id=18162 . 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)

2020 Transmission and Ancillary Service Rates​

2019 Transmission and Ancillary Service Rates​


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: 6/11/2021 10:51 AM