FERC Issues Notice of Application for 2026 Great Basin Expansion Project

The Federal Energy Regulatory Commission (FERC) has issued a notice of application for the 2026 Great Basin Expansion Project, a proposed natural gas pipeline expansion that would increase firm transportation capacity by 8,129 dekatherms per day (Dth/d) in response to growing market demand in North Nevada and Northern California. The project, filed by Great Basin Gas Transmission Company, aims to expand the existing natural gas transportation capacity downstream of the Wadsworth Receipt Point in Washoe and Lyon Counties, Nevada. The expansion would consist of installing new pipeline facilities and abandoning existing ones.

Key Takeaways:

  • The 2026 Great Basin Expansion Project would increase firm transportation capacity by 8,129 Dth/d to meet growing market demand in North Nevada and Northern California.
  • The project would expand the existing natural gas transportation capacity downstream of the Wadsworth Receipt Point in Washoe and Lyon Counties, Nevada.
  • The expansion would involve installing approximately 2.3 miles of new 20-inch-diameter steel pipeline loop and abandoning approximately 2.4 miles of existing 10-inch-diameter steel pipeline with new 20-inch-diameter steel pipeline.
  • The Federal Energy Regulatory Commission (FERC) has issued a notice of application for the project and will prepare an environmental assessment (EA) for the project.
  • The EA will be issued for a 30-day comment period, and the final decision on federal authorization is due on February 23, 2026.
  • The project has raised concerns regarding wildlife and special species, survey protocols, and the need for Class III cultural resource inventories in the project area.

Statistics:

  • 8,129 dekatherms per day (Dth/d) increase in firm transportation capacity.
  • 2.3 miles of new 20-inch-diameter steel pipeline loop to be installed.
  • 2.4 miles of existing 10-inch-diameter steel pipeline to be abandoned and replaced with new 20-inch-diameter steel pipeline.
  • 30-day comment period for the environmental assessment (EA).
  • February 23, 2026: Deadline for federal authorization decision.
  • July 18, 2025: Date of the notice issued by FERC.

Sources:

  • [1] [Federal Register, Volume 90, Number 137, pp. 34653-34661, Released 2025-07-22 345 A.M. Eastern Daylight Time[2025-13871]]
  • [2] [FERC, Notice of Application, Docket No. CP25-209, Issuance Date: November 25, 2025, Federal Authorization Decision Deadline: February 23, 2026]
  • [3] [FERC, Environmental Assessment, Docket No. CP25-209, Issuance Date: November 25, 2025, Planned Schedule for Completion of Environmental Review]