Rates and Repayment Services

WAPA’s Media Line: 720-962-7411

Upper Great Plains Region​

2025 Firm Power Rate Adjustment

Current – Firm Power Rate Schedules

2023 Firm​ Power Service, Firm Pea​king Power Service, and Sale of Surplus Product Rate Schedules, effective January 1, 2023 to December 31, 2027, or until superseded

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Power Service, and Sale of Surplus Product Rate Schedules, effective January 1, 2018 to December 31, 2022, or until superseded

2017 Modified Drought Adder Charges, effective January 1, 2017 to December 31, 2019, or until superseded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Power Service and Firm Peaking Power Service Rate Schedules, effective January 1, 2015 to December 31, 2019, or until superseded

Previous – Firm Power Rate Adjustment Process

Transmission and Ancillary Service Rates

UGP’s current and previous rate calculations include; 1) UGP’s Annual Transmission Revenue Requirement (ATRR) for its transmission facilities included in the Southwest Power Pool, Inc. (SPP) Regional Transmission Organization (RTO) Tariff  for the SPP Zone 19 known as the Upper Missouri Zone (UMZ); and 2) UGP’s Annual Revenue Requirement (ARR) for the Ancillary Services it provides under the SPP Tariff in its WAUW Balancing Authority Area. For additional information on UGP’s Transmission and Ancillary Service calculated rates and Rate Schedules, see the homepage and “Rates” folder on UGP’s Open Access Same-Time Information System (OASIS).​

2025 Transmission and Ancillary Service Rate Process

2020 Transmission and Ancillary Service Rate Process

Current – Newsroom

Previous – Newsroom

Linda Cady-Hoffman, Rates Manager

Western Area Power Administration
Upper Great Plains Region
2900 4th Avenue North, 6th Floor
Billings, MT 59101
Phone: (406) 702-4791

Last modified on August 28th, 2024