Mississippi Pipeline Firm Eyes Huge Underground Gas Stash
Published Date: 3/17/2026
Notice
Summary
Gulf South Pipeline Company wants to build a big new natural gas storage cavern and related pipelines in Mississippi to hold more gas—about 10 billion cubic feet extra! This project could affect local energy users and businesses, and the company is asking for approval soon. If you want to speak up or get involved, you’ve got 90 days to jump in before the deadline hits.
Analyzed Economic Effects
3 provisions identified: 2 benefits, 0 costs, 1 mixed.
Big new gas storage: 10 Bcf added
Gulf South is seeking permission to build a new natural gas salt-dome cavern at the Petal Gas Storage Field in Forrest County, Mississippi that would add about 10 billion cubic feet (Bcf) of working storage capacity and roughly 6 Bcf of base gas. The application requests authorization to build the cavern, pipelines, brine disposal wells, and related facilities.
You can formally join the FERC case
You can file a motion to intervene and become a party in the FERC review of Gulf South's Petal Cavern Expansion. The deadline to file a motion to intervene or to submit comments or protests is 5:00 p.m. Eastern Time on April 2, 2026, and there is no fee to file.
Environmental review and notification timeline
Within 90 days of this notice, FERC staff will either complete its environmental review and place it in the public record or issue a Notice of Schedule for Environmental Review that shows when the final environmental impact statement (FEIS) or environmental assessment (EA) is expected. People who comment on the environmental review will be placed on the Commission's environmental mailing list and notified when the EA or EIS is issued and when associated meetings are scheduled.
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Key Dates
Department and Agencies
Related Federal Register Documents
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Previous / Next Documents
Previous: 2026-05189 — Transcontinental Gas Pipe Line Company, LLC; Notice of Request Under Blanket Authorization and Establishing Intervention and Protest Deadline
Transcontinental Gas Pipe Line Company is upgrading parts of its pipeline system in Texas to help deliver more natural gas—about 170,000 Dth per day—to a power plant switching from coal to natural gas. This $7.8 million project includes new taps and valve changes in Wharton, Goliad, and Live Oak counties. If you want to speak up or get involved, you need to act before the set deadline!
Next: 2026-05191 — Gulf South Pipeline Company, LLC; Notice of Application and Establishing Intervention Deadline
Gulf South Pipeline Company wants to update the storage limits and flow rates at its Petal Gas Storage Field in Mississippi to match what the site can actually handle. This means lowering the official storage capacity and how much gas can be put in or taken out each day. If you’re interested, you’ve got until the intervention deadline to speak up or get involved!
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