NERC Horizon (0 - 13 months)

ATC Implementation Document, V78
(Effective 10/23/2023)

ATC Implementation Document Version History
(Effective 10/23/2023)

TRM Implementation Document, V9 (MOD-008-1) (Effective 09/27/2023)

CBM Implementation Document (Effective 04/14/2023)

System Operating Limits Methodology for the Operations Horizon

Map of Short-term BPA Constraints (Effective 11/01/2023)

Data Request Form (MOD-001-1 R9) *

TTC Study Report Request Form (MOD-029-1 R4) *

* The forms above are only for use by the specific entities identified in each form. Send all completed forms to with the name of the form in the subject line.

Reference Documents

Contact Information

Please send any data-sharing requests, questions about BPA’s TTC/ATC/TRM/CBM methodologies, and/or documents pertaining to specific requirements in the NERC ATC Standards or NAESB WEQ-023 to  Please specify the nature of your request in the subject line.  For general comments or questions about ATC, email and specify “ATC-related” in the subject line.

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