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Western Area Power Administration (WAPA)

Open Access Transmission Tariff (OATT) Revision(s), Status and Postings

Last Update(s): 12/08/2024 (NEW): Notice of WAPA's Filing of OATT Revision 24-01 under FERC Docket No. NJ25-4-000

11/26/2024
: Initial Notification of Planned OATT Revision 24-01 (Order 881 Compliance Date Extension), Posting of Proposed OATT Revision 24-01 Redline Documents


Currently planned, active, or completed WAPA OATT revisions:

1. OATT Revision 24-01 (Order 881 Compliance Date Extension) (Active)

 Completed OATT Revisions



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OATT Revision 24-01 (Active) (Order 881 Compliance Date Extension) : (FAQs: WAPA-OATT-Revision-24-01-FAQs.pdf, Version: 11/26/2024)

Please direct questions/comments to your WAPA OATT Regional contact(s).


12/08/2024: Notice of WAPA's Filing of OATT Revision 24-01 under FERC Docket No. NJ25-4-000

WAPA has filed the FINAL OATT Revisions with FERC on December 6, 2024. A copy of the Filing is available at the following link:

WAPA OATT Revision 24-01 Filing (December 6, 2024)

The updated OATT documents will be available in the future on the WAPA OATT Documents page on WAPA's Regional OASIS sites at the following link: http://www.oasis.oati.com/WAPA/WAPAdocs/WAPA-Tariff-Docs.htm

Next Steps:

•    Requested Approval of OATT Revisions (~60 days after WAPA filing, expected February 4, 2025)

•    Implementation of updated Attachment U, expected October 2, 2028

Please direct questions/comments to your
WAPA OATT Regional contact(s).




11/26/2024: Initial Notification of Planned OATT Revision 24-01 (Order 881 Compliance Date Extension), Posting of Proposed OATT Revision 24-01 Redline Documents

WAPA is proposing OATT Revision 24-01 to update the Effective Date of Attachment U (Transmission Line Ratings) from July 12, 2025, to October 2, 2028, to address the necessary delay in FERC Order 881 compliance for the WAPA CRSP, DSW, RMR, and SN Regions.
See announcement here: WAPA-OATT-Revision-24-01-Announcement.pdf.

The necessary delay in Order 881 compliance for the WAPA CRSP, DSW, RM, and SN regions is a result of WAPA statutory limitations, and therefore, WAPA did not identify the need to hold an information meeting to present the proposed 24-01 OATT revisions to stakeholders, or to request comments.  The WAPA filing letter to FERC outlines the reasons for the necessary delay in Order 881 compliance, and the WAPA proposed new compliance date of October 2, 2028. Only the Effective Date of Attachment U is changed.  Attachment U was previously added to the WAPA OATT under OATT Revision 22-02 and accepted by FERC under Docket No. EF23-5-000 on June 12, 2024.

WAPA has posted the proposed OATT Revision 24-01 Redline document below:

WAPA-OATT-Revision-24-01-OATT-Redline-for-Filing.pdf; Proposed update to Effective Date of Attachment U

Next Steps:

•    WAPA plans filing OATT Revision 24-01 to FERC on December 6, 2024
•    Requested Approval of OATT Revisions (~60 days after WAPA filing, expected February 4, 2025)


Please direct questions/comments to your
WAPA OATT Regional contact(s).


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Any other questions can be directed to:  Steve Sanders (WAPA-UGP) at 406-670-7436 (sanders@wapa.gov).

Update History:

OATT Revision 24-01 (Order 881 Compliance Date Extension)
12/08/2024: Notice of WAPA's Filing of OATT Revision 24-01 under FERC Docket No. NJ25-4-000
11/26/2024: Initial Notification of Planned OATT Revision 24-01 (Order 881 Compliance Date Extension),

Posting of Proposed OATT Revision 24-01 Redline Documents