Southwest Power Pool OATT Revisions Accepted
Summary
FERC issued a delegated order accepting Southwest Power Pool's March 3, 2026 filing of revisions to its Open Access Transmission Tariff under Docket ER26-1594. The revisions consist of ministerial and clarifying edits to the tariff. FERC's acceptance letter constitutes final agency action on the filing.
What changed
FERC accepted Southwest Power Pool's proposed revisions to its Open Access Transmission Tariff. The revisions are characterized as ministerial and clarifying edits, meaning they are administrative in nature and do not substantially alter existing rights, obligations, or transmission service procedures.
Transmission providers and market participants operating within the Southwest Power Pool region should note that these tariff modifications have been approved without FERC requiring any substantive changes. While the edits are minor in scope, all parties relying on the OATT should review the updated tariff language to ensure their current practices and agreements remain consistent with the accepted revisions.
What to do next
- Monitor for any subsequent FERC orders on related filings
Archived snapshot
Apr 14, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Document Info for Accession Number: 20260414-3026
Details Document: 04/14/2026
Filed: 04/14/2026
Posted: 04/14/2026 10:35:05 AM
First Received Date: 04/14/2026 10:18:04 AM
Security Level: Public
Official: Yes
E-filing: No
Non-decisional: No
Category: Issuance
Library: Electric
Aperture: 0
File Type:
Description* :** Letter order accepting Southwest Power Pool, Inc.'s 03/03/2026 filing of revisions to its Open Access Transmission Tariff to make ministerial and clarifying edits etc. under ER26-1594.
File List
| Docket | Sub-Docket | Type |
|---|---|---|
| ER26-1594 | 000 | On Document |
| Document Class | Document Type |
|---|---|
| Order/Opinion | Delegated Order |
| Correspondent | Last Name | First Name | MI | Role/Org |
|---|---|---|---|---|
| AUTHOR | Tingle-Stewart | N | Y | OFFICE OF ENERGY MARKET REGULATION |
| RECIPIENT | * | * | SOUTHWEST POWER POOL, INC. |
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