Transmission Rates

This page provides details and documentation on current and previous rates for BPA's transmission services.

On July 24, 2025, BPA released the Administrator's Final Record of Decision in the BP-26 Rate Proceeding, including Appendix D: 2026 Power Rate Schedules and General Rate Schedule Provisions and Appendix E: 2026 Transmission, Ancillary, and Control Area Service Schedules and General Rate Schedule Provisions. BPA also released its Final Studies and Documentation on the same day. To view these documents, please refer to the BP-26 Rate Case page.

Current Transmission Rates

BPAs wholesale power and transmission rates for the FY 2026-2028 rate period were established during the BP-26 Rate Case. The rate proceeding, conducted through a formal process described in Section 7(i) of the Northwest Power Act, concluded when the Administrator signed the Interim Record of Decision on July 24, 2025. The complete rate proceeding record was then sent to the Federal Energy Regulatory Commission for their review and approval of the rates. The Commission granted interim approval for the 2026 Power Rate Schedules and General Rate Schedule Provisions and the 2026 Transmission, Ancillary and Control Area Service Rate Schedules and General Rate Schedule Provisions on Sept. 23, 2025. These rates took effect on Oct. 1, 2025.

Additional Customer Resources 

How BPA sets Transmission & Power Rates

BPA is a self-financed federal agency.  This means that BPA does not receive appropriations or tax dollars for operations and maintenance.  BPA pays it expenses from revenues it received from the sales of power and transmission services to eligible customers. 

Learn How BPA sets Power and Transmission Rates

Historical Rates Cases 

For past rate cases, please see Historical Rate Cases.