# 2026-12230: Mississippi Gas Storage Field Expansion Reviewed

2026-12230, Gulf South Pipeline Company, LLC; Notice of Schedule for the Preparation of an Environmental Assessment for the Petal Cavern Expansion Project, is a Federal Register notice from Energy Department, Federal Energy Regulatory Commission published 2026-06-18, effective 2026-10-23 (as of 2026-06-25).

- Canonical: https://policyrisk.com/federal-register/2026-12230
- As of: 2026-06-25
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-12230
- Title: Gulf South Pipeline Company, LLC; Notice of Schedule for the Preparation of an Environmental Assessment for the Petal Cavern Expansion Project
- Type: Notice
- Agencies: Energy Department; Federal Energy Regulatory Commission
- Citation: 91 FR 36825
- Published: 2026-06-18
- Effective: 2026-10-23
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-06-25

## In one line

Mississippi Gas Storage Field Expansion Reviewed

## Summary

Gulf South Pipeline is planning to expand its Petal Gas Storage Field in Mississippi by adding a new natural gas cavern and related pipelines. The government will review the environmental impact and aims to finish this assessment by October 23, 2026, with final decisions due by January 21, 2027. This project affects local communities and energy users, promising more storage capacity and smoother gas delivery soon.

## Effects PRIA read

No economic effects identified for this document.

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## Sources
- [2026-12230 on federalregister.gov](https://www.federalregister.gov/documents/2026/06/18/2026-12230/gulf-south-pipeline-company-llc-notice-of-schedule-for-the-preparation-of-an-environmental)
- [2026-12230 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-06-18/pdf/2026-12230.pdf)

## Related
- [Previous: 2026-12229, Texas Eastern Transmission, LP; Notice of Schedule for the Preparation of An En…](https://policyrisk.com/federal-register/2026-12229)
- [Next: 2026-12231, Texas Eastern Transmission, L.P.; Notice of Revised Schedule for Environmental…](https://policyrisk.com/federal-register/2026-12231)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-12230 (as of 2026-06-25).