This page provides information dedicated to helping customers, contractors and vendors conduct business transactions with BPA, to include: buying and selling products or services, submitting invoices, forms, paying BPA, and BPA's Business Code of Conduct for Contract Personnel.
Environmental Services works closely with numerous Federal and State agencies, Tribes, landowners, and the public to protect and recover endangered species, protect and preserve our cultural resources, and reduce impacts to wetlands, air, water, and the human environment.
Available Transfer Capability (ATC) is the transmission inventory that is available over and above committed transmission uses. BPA calculates ATC using its short-term and long-term methodologies that have been developed to reflect topology, operational reliability, load, and market considerations. Transmission customers can acquire ATC by submitting Transmission Service Requests on BPA’s OASIS at OATI webSmartOASIS.
Transmission Availability Reports & Tools
Transmission Services provides reports and tools to assist customers as they reserve and schedule transmission.
Learn more about BPA's Available Transfer Capability Implementation Document (ATCID), ATC and Available Flowgate Capability (AFC) Methodologies for the Planning Time Period and other information pertaining to BPA's management and calculation of ATC and AFC.