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Line and Load Interconnection Procedures (LLIP)

​The interconnection of Lines and of Loads to the Federal Columbia River Transmission System (FCRTS) is governed by BPA's Open Access Transmission Tariff.

A request for a new interconnection should be submitted on the appropriate form, which is posted here. See the Technical Requirements for interconnecting to the FCRTS.
For further information, please contact the appropriate Transmission Account Executive, or the Line and Load Interconnection Procedures Administrator.
US Postal Service​ Bonneville Power Administration
Transmission Marketing and Sales - TSE-TPP-2,
P.O. Box 61409,
Vancouver, WA 98666-1409​
Overnight Delivery Service​
Bonneville Power Administration
Organization Mailstop: TSE-TPP-2
905 NE 11th Avenue
Portland, OR 97232
Facsimile (fax)​
(360) 619-6940
A cover page specifying the number of requests and the total number of pages should accompany requests submitted by fax.
BPA Transmission Services is not responsible for the failure of fax transmissions.​
Submit LLIRs to:
Important: Enter “LLIR” as the Subject Line of the email.
BPA Transmission Services will not accept an LLIR that is sent by email to other BPA Transmission Services email addresses. Emails sent to other email addresses will not be entered into the Interconnection Request Queue.​