# 2026-16174: FERC sets answer deadline for Southwest power pool

2026-16174, Southwest Power Pool, Inc.; AEP Oklahoma Transmission Company, Inc.; AEP Southwestern Transmission Company, Inc.; Deseret Generation & Transmission Co-Operative, Inc.; Empire District Electric Company; Evergy Kansas Central, Inc.; Evergy Kansas South, Inc.; Evergy Metro, Inc.; Evergy Missouri West, Inc.; GridLiance High Plains LLC; ITC Great Plains, LLC; Mountrail-Williams Electric Cooperative; NextEra Energy Transmission Southwest, LLC; NorthWestern Energy Public Service Corporation; Oklahoma Gas and Electric Company; Prairie Wind Transmission, LLC; Public Service Company of Oklahoma; Southwestern Electric Power Company; Southwestern Public Service Company; Transource Missouri, LLC; Transource Oklahoma, LLC; Tri-State Generation and Transmission Association, Inc.; Upper Missouri G. & T. Electric Cooperative, Inc.; Notice Establishing Answer Period, is a Federal Register notice from Energy Department, Federal Energy Regulatory Commission published 2026-08-07, effective 2026-08-07 (as of 2026-08-14).

- Canonical: https://policyrisk.com/federal-register/2026-16174
- As of: 2026-08-14
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-16174
- Title: Southwest Power Pool, Inc.; AEP Oklahoma Transmission Company, Inc.; AEP Southwestern Transmission Company, Inc.; Deseret Generation & Transmission Co-Operative, Inc.; Empire District Electric Company; Evergy Kansas Central, Inc.; Evergy Kansas South, Inc.; Evergy Metro, Inc.; Evergy Missouri West, Inc.; GridLiance High Plains LLC; ITC Great Plains, LLC; Mountrail-Williams Electric Cooperative; NextEra Energy Transmission Southwest, LLC; NorthWestern Energy Public Service Corporation; Oklahoma Gas and Electric Company; Prairie Wind Transmission, LLC; Public Service Company of Oklahoma; Southwestern Electric Power Company; Southwestern Public Service Company; Transource Missouri, LLC; Transource Oklahoma, LLC; Tri-State Generation and Transmission Association, Inc.; Upper Missouri G. & T. Electric Cooperative, Inc.; Notice Establishing Answer Period
- Type: Notice
- Agencies: Energy Department; Federal Energy Regulatory Commission
- Citation: 91 FR 51165
- Published: 2026-08-07
- Effective: 2026-08-07
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-08-14

## In one line

FERC sets answer deadline for Southwest power pool

## Summary

No summary available.

## Effects PRIA read

No economic effects identified for this document.

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## Sources
- [2026-16174 on federalregister.gov](https://www.federalregister.gov/documents/2026/08/07/2026-16174/southwest-power-pool-inc-aep-oklahoma-transmission-company-inc-aep-southwestern-transmission-company)
- [2026-16174 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-08-07/pdf/2026-16174.pdf)

## Related
- [Previous: 2026-16173, New York Independent System Operator, Inc.; Central Hudson Gas & Electric Corpo…](https://policyrisk.com/federal-register/2026-16173)
- [Next: 2026-16175, PJM Interconnection, L.L.C., AEP Appalachian Transmission Company, Inc., AEP In…](https://policyrisk.com/federal-register/2026-16175)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-16174 (as of 2026-08-14).