News & Events

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South of TriCities Reinforcement Project Public Meeting

The Bonneville Power Administration (BPA) is proposing to build a new transmission line, substation, and perform various other system upgrades under the South of Tri-Cities Reinforcement Project. This is part of a broader effort in the Tri-Cities area to reinforce the BPA transmission system to address reliability, flexibility issues and reduce system maintenance.

Scheduling Transmission Service V33 – Energy Imbalance Market (EIM) V4

Bonneville will review proposed changes to these business practices.

TC-24 Tariff Proceeding Comment Period Closing

TC-24 Tariff Proceeding Comment Period Closing


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Products & Services


Hydropower Data & Studies


Hydropower is the most abundant energy source in the Northwest.

Provider of Choice

Provider of Choice is the initiative designed to lay the foundation for the development of policies and contracts BPA will offer its customers to meet their evolving needs and deliver competitively priced power beyond 2028.

How BPA Sets Rates

BPA is a self-financed federal agency. This means that BPA does not receive appropriations or tax dollars. Power Services pays all of its expenses from revenues it receives from the sale of power to eligible customers. Learn more about how BPA establishes power and transmission rates.

Rate and Tariff Overview

Learn more about the formal processes and requirements that BPA follows before establishing and setting power and transmission rates.
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