# 2025-09242: Court Forces FERC to Double-Check LNG Air Pollution Risks

2025-09242, Commonwealth LNG, LLC; Notice of Availability of the Final Supplemental Environmental Impact Statement for the Proposed Commonwealth LNG Project, is a Federal Register notice from Energy Department, Federal Energy Regulatory Commission published 2025-05-22, effective 2025-05-16 (as of 2026-06-08).

- Canonical: https://policyrisk.com/federal-register/2025-09242
- As of: 2026-06-08
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2025-09242
- Title: Commonwealth LNG, LLC; Notice of Availability of the Final Supplemental Environmental Impact Statement for the Proposed Commonwealth LNG Project
- Type: Notice
- Agencies: Energy Department; Federal Energy Regulatory Commission
- Citation: 90 FR 21913
- Published: 2025-05-22
- Effective: 2025-05-16
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-06-08

## In one line

Court Forces FERC to Double-Check LNG Air Pollution Risks

## Summary

The Federal Energy Regulatory Commission (FERC) has released a final report updating the environmental review for the Commonwealth LNG Project in Louisiana. This update answers a court’s concerns about air pollution, especially nitrogen dioxide, from the project. The project, which involves building a natural gas liquefaction and export facility, is moving forward but now with a clearer look at its environmental impact.

## Effects PRIA read

- FERC SEIS Addresses Nitrogen Dioxide Concern: benefit, low. FERC prepared a final supplemental Environmental Impact Statement (SEIS) that specifically responds to the U.S. Court of Appeals' July 16, 2024 remand about the Commonwealth LNG Project's cumulative nitrogen dioxide emissions. The SEIS is part of FERC’s further proceedings on the Project (dockets C…
- Final SEIS Is Only Available Electronically: mixed, low. The final supplemental EIS is available only in electronic format on FERC's website and eLibrary (docket CP19-502); FERC mailed a Notice of Availability to federal, state, and local officials, Tribes, environmental and public interest groups, potentially affected landowners, newspapers, and librari…

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## Sources
- [2025-09242 on federalregister.gov](https://www.federalregister.gov/documents/2025/05/22/2025-09242/commonwealth-lng-llc-notice-of-availability-of-the-final-supplemental-environmental-impact-statement)
- [2025-09242 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2025-05-22/pdf/2025-09242.pdf)

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Source: PRIA, https://policyrisk.com/federal-register/2025-09242 (as of 2026-06-08).