Transco Southeastern Trail Expansion

From the ProvenHand pipeline wiki

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

Transco Southeastern Trail Expansion is a natural gas pipeline expansion, operated by Williams (Transco). Construction began in 2020 and the line entered service in 2021. It runs 7.7 miles of 42" pipe.[1]

Transco Southeastern Trail Expansion
Also calledSoutheastern Trail, Southeastern Trail Expansion Project[5], Manassas Loop, Southeastern Trail Project[5]
General information
Project typeExpansion[4]
StatusIn service[4]
CommodityNatural gas[4]
OperatorWilliams (Transco)
Owner and operator
StateVA or GA, LA, SC, VA[6] or AL, GA, LA, MS, NC, SC, VA[4][sources disagree]
Approved17 October 2019[6]
Construction startedJanuary 2020[7]
In serviceMarch 2021[4]
FERC docketCP18-186[6]
Contractors
Technical information
Length7.7 mi[4][6]
Pipe size42"
Capacity296.38 MMcf/d (FERC project list)[6] or 296 MMcf/d additional capacity (EIA)[4][sources disagree]
Cost$404.8 million (EIA estimate; no dollar year given)[4]
On ProvenHand
Hands listed0

Transco Southeastern Trail Expansion is a natural gas pipeline expansion, operated by Williams (Transco). Construction began in 2020 and the line entered service in 2021. It runs 7.7 miles of 42" pipe.[1]

Contractorsedit

ContractorWorkScope
Troy Construction[8]PrimeCompressor Station 175 horsepower addition (Scottsville, VA): one 22,490 HP Solar Titan 130 unit
Troy Construction[8]PrimeStation 115 reversal (Newnan, GA): piping and yard valves for bi-directional flow (page lists it as Station 115 Reversal; Transco)
Troy Construction[8]PrimeListed as SET Station 125 and Station 135 Deodorization (Monroe, GA and Belton, SC): deodorization vessels, canisters and piping (Transco)

Sources disagree

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

FactValues given
Capacity
  • 296.38 MMcf/d (FERC project list)[6]
  • 296 MMcf/d additional capacity (EIA)[4]
States
  • VA (on this page, no source given)
  • GA, LA, SC, VA[6]
  • AL, GA, LA, MS, NC, SC, VA[4]

Crew on ProvenHand

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Referencesedit

  1. ferc.gov · 10-2019-C-2.pdf
  2. williams.com
  3. princewilliamtimes.com · article_de44c3b7-a03c-5642-b031-f68302a8
  4. “U.S. natural gas pipeline projects (Natural Gas Pipeline Projects)”. U.S. Energy Information Administration. Retrieved 3 October 2026.
  5. “FERC eLibrary docket CP18-186”. Federal Energy Regulatory Commission. 11 April 2018. Retrieved 3 October 2026.
  6. “FERC: Approved Major Pipeline Projects (1997-Present)”. Federal Energy Regulatory Commission. Archived from the original on 1 July 2025. Retrieved 3 October 2026.
  7. “Biweekly Construction Status Report (Jan 11-24, 2020), Southeastern Trail Project (CP18-186)”. Transcontinental Gas Pipe Line Company, LLC (filed with FERC). 24 January 2020. Retrieved 4 October 2026.
  8. “Facility Construction | Troy Companies”. Troy Construction. Retrieved 3 October 2026.

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