Sign In
Open Access Transmission Tariff
The Open Access Transmission Tariff (OATT) defines the terms and conditions of point-to-point and network integration transmission services offered by BPA Transmission Services.
Current OATT
The attachments below are included in the OATT above, but are also posted individually for convenience.
Attachment L (LGIP) (5/28/2014)
Attachment N (SGIP) (5/28/2014)
Reference Documents

 Email Sign-Up

Sign up for email notifications from Transmission Services

 Related Links

Stay Connected Related Sites