Doing Business with Transmission Services BPA Transmission Services manages the federally owned transmission lines and facilities in the Pacific Northwest. Transmission Services conducts the sale of transmission services according the rules of its Open Access Transmission Tariff, orders of the Federal Energy Regulatory Commission (FERC), regulatory requirements of reliability organizations such as NERC and WECC, and in accordance with standard industry practices.

Becoming A Customer View information about how to become a BPA Transmission Services Customer. Contact Transmission Services Contact information for Transmission Services business staff. Tariff BPA’s Open Access Transmission Tariff. ATC Methodology Transmission Services ATC Methodology Practices and Procedures Find the rules and procedures for initiating and conducting transmission business with BPA. Business Practices Business Practice Updates Procedures Glossary Interconnection Information about interconnection to the Federal Columbia River Transmission System Rates Transmission Services Rates Schedules Related Information Network Open Season 2008 Network Open Season 2009

Notices Thanksgiving Holiday Closure (11/20/2009) Changes to E-Mail Distribution Lists (11/17/2009) OASIS Release 3.4.11 (11/10/2009) Changes to E-Mail Distribution Lists (11/04/2009) Removal of OASIS Source/Sink Points: COLUMBIAGENST (11/04/2009) Removal of OASIS Source/Sink Points: DGLSSWYD230, & DGLSSWY230MIDC (11/04/2009) OASIS Source Change: CWPAUL500AVA, CWPAUL500PAC, CWPAUL500PSEI (11/04/2009) Consolidation of OASIS Source/Sink Points: GRNDCULEECNTGS & GRNDCULEE500 (9/23/2009) Consolidation of OASIS Source/Sink Points: DWORSHAKCNTGS & DWORSHAK500 (9/23/2009) Consolidation of OASIS Source/Sink Points: MCNARYCNTGS & MCNARY230BPAP (9/23/2009) Consolidation of OASIS Source/Sink Points: RKYRCH230, RKYRCHSS230VAR & RKYRCHSS2 (9/23/2009) Consolidation of OASIS Source/Sink Points: BONNEVILLEPHCNTGS & BONNEVILLE115 (9/23/2009) Removal of incorrect OASIS Source/Sink: Garrison500 (9/23/2009) Customer Meetings and Conference Calls CBPI Customer Conference Call - 11/18/09 Proposed New Conditional Firm Inventory Methodology - 11/18/09 2009 Network Open Season Customer Conference Call - 11/19/09 Customer Update on the Intra-Hour Scheduling Pilot (held via Live Meeting) - 11/19/09 CBPI Customer Conference Call - 12/16/09 CBPI Customer Conference Call - 1/13/10 CBPI Customer Conference Call - 2/10/10 CBPI Customer Conference Call - 3/10/10 CBPI Customer Conference Call - 4/07/10 CBPI Customer Conference Call - 5/05/10 CBPI Customer Conference Call - 6/02/10 CBPI Customer Conference Call - 6/30/10