Desert Southwest Expansion Project

From the ProvenHand pipeline wiki

Sources disagree on some of this page's facts. Each value is shown with its sources; see Sources disagree.

Desert Southwest Expansion Project is a natural gas pipeline expansion, operated by Transwestern Pipeline Company, LLC. It runs 516 miles of 48" pipe.

Desert Southwest Expansion Project
General information
KindPipeline project[1]
Project typeExpansion[1][2]
StatusPre-filing[1][2][3]
CommodityNatural gas[2]
Owner and operator
Operator
StatesAZ, NM[2] or AZ, NM, TX[4][sources disagree]
FERC pre-filing docketPF26-9[1]
Technical information
Length516 mi[2]
Pipe size48"[2]
Capacity2300 MMcf/d additional capacity (EIA)[2]
Cost$5600 million (EIA estimate; no dollar year given)[2]
On ProvenHand
Hands listed0

Desert Southwest Expansion Project is a natural gas pipeline expansion, operated by Transwestern Pipeline Company, LLC. It runs 516 miles of 48" pipe.

Sources disagree

These sources give different values for the same fact. Each value is listed with the sources that give it.

FactValues given
States

Crew on ProvenHand

No one on ProvenHand has listed this job yet.

Did you work on Desert Southwest Expansion Project? Add it to your work history on ProvenHand and get it confirmed by someone who was there. Sign in or join.

Referencesedit

  1. “FERC eLibrary docket PF26-9”. Federal Energy Regulatory Commission. 27 March 2026. Retrieved 3 October 2026.
  2. “U.S. natural gas pipeline projects (Natural Gas Pipeline Projects)”. U.S. Energy Information Administration. Retrieved 3 October 2026.
  3. “Draft Resource Report No. 9, Desert Southwest Expansion Project (PF26-9)”. Transwestern Pipeline Company, LLC (filed with FERC; eLibrary filing description). 30 September 2026. Retrieved 4 October 2026.
  4. “Notice of Scoping Period Requesting Comments on Environmental Issues for the Planned Desert Southwest Expansion Project, Transwestern Pipeline Company, LLC (PF26-9)”. FERC (public notice, eLibrary). 6 July 2026. Retrieved 4 October 2026.

This pipeline article is a stub. You can help ProvenHand by expanding it.