Northwest Pipeline LLC

From the ProvenHand pipeline wiki

Northwest Pipeline LLC is a pipeline owner-operator based in Houston, Texas.

Northwest Pipeline LLC
Legal nameNORTHWEST PIPELINE LLC[1]
Also called
  • Northwest Pipeline GP[2]
Formerly
  • Northwest Pipeline Corp (wgp) (1 January 2001 – 1 January 2012)[1]
General information
Industry
HeadquartersHouston, Texas[1]
PHMSA operator ID13845[2]
Earlier PHMSA operator ID13845[1]
On ProvenHand
Hands listed0

Northwest Pipeline LLC is a pipeline owner-operator based in Houston, Texas.

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Names

NameKindYears
Northwest Pipeline Corp (wgp)[1]Former name1 January 2001 – 1 January 2012
Northwest Pipeline GP[2]Other name

Pipeline systems and facilities

2 systems and facilities this company owned or operated, current ones first.

System or facilityKindStateRole
Northwest Pipeline[1]Pipeline systemCO, ID, OR, UT, WA, WYOperator
Northwest Pipeline Plymouth LNG[5]LNG peak-shaving or storageWAOperator

Projects

As owner or operator

ProjectRoleStatusProject built
Naughton Coal-to-Gas Conversion[6]OwnerUnder construction2026
Ryckman Creek Lateral Loop Project[3]OperatorProposed2026
Ryckman Creek Loop Project[7]Owner and operatorUnder construction2026
Wild Trail Project[2][8]Owner and operatorApproved2026
2024 1400/1401 Intermountain Pipe Replacement Project[9]Owner and operatorIn service2024
2024 Line 1400 and 1401 Intermountain Pipe Replacement Project[10]Owner and operatorIn service2024
North Fork Nooksack Line Lowering Project[11]Owner and operatorIn service2019
North Seattle Lateral Upgrade Project[3]OperatorIn service2019
North Seattle Lateral Upgrade Project[12]Owner and operatorIn service2019
Union Meter Station Upgrade Project[13]Owner and operatorIn service2016
South Seattle Delivery Lateral Expansion[14]Owner and operatorIn service2013
Kemmerer Mine Relocation Project[15]Owner and operatorIn service2012
North Seattle Delivery Lateral Expansion[16]Owner and operatorIn service2012
Spokane Pipeline Replacement Project[17]Owner and operator2012
Sundance Trail Expansion Project[2] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service2010
Sundance Trail Expansion Project[3] (as Northwest Pipeline Corp (wgp))OperatorIn service2010
Colorado Hub Connection Project[2] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service2009
Colorado Hub Connection Project[3] (as Northwest Pipeline Corp (wgp))OperatorIn service2009
Plymouth Compressor Station Looping Project[18] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service2009
Parachute Lateral Project[2] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service2006–2007
Northwest Pipeline Capacity Replacement Project[2] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service2006
NWPL White River Project[2] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service2005
Everett Delta Lateral Project[2] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service2004
Evergreen Expansion Project[2] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service2003
Rockies Displacement Project[2] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service2003
Rockies Displacement Project[19] (as Northwest Pipeline Corp (wgp))OperatorIn service2003
Gray's Harbor Lateral Project[2] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service2002
Green River Compressor Station Replacement Project[20]Owner and operatorApproved
Huntingdon Connector Project[21][22]Owner and operatorProposed
Kemmerer Horsepower Replacement Project[23]Owner and operatorApproved
Molalla Capacity Replacement Project[24] (as Northwest Pipeline Corp (wgp))Owner and operatorIn service
Northwest Pipeline Acquisition and Reliability Project[2][8]Owner and operatorApproved
Northwest Pipeline CP21-115[25][26]Owner and operatorApproved
Northwest Pipeline CP25-211[27][28]Owner and operatorApproved
Northwest Pipeline PF09-10[29]Owner and operator
Northwest Pipeline PF11-8[30]Owner and operator
Oregon City Compressor Station Project[31]Owner and operator
Oregon LNG Export Project[32]Owner and operator
Plymouth LNG Plant Return to Service Project[33]Owner and operator
Plymouth LNG Plant Vaporizers Replacement Project[34][35]Owner and operatorApproved
Silver Spur Project[36]Owner and operatorPre-filing
Soda Springs Compressor Station Project[37]Owner and operatorApproved
Sumas Compressor Replacements[38]Owner and operatorApproved
Walla Walla Compressor Station Project[39]Owner and operatorIn service
Williams NW Pipeline - Caldwell 22-inch and 24-inch Replacement[40]Owner
Windy Creek Pipeline Replacement and Lowering Project[41]Owner and operator

References

  1. “PHMSA annual report data: annual liquefied natural gas 2010 present”. Pipeline and Hazardous Materials Safety Administration. Archived from the original on 8 May 2026. Retrieved 3 October 2026.
  2. “FERC: Approved Major Pipeline Projects (1997-Present)”. Federal Energy Regulatory Commission. Archived from the original on 1 July 2025. Retrieved 3 October 2026.
  3. “U.S. natural gas pipeline projects (Natural Gas Pipeline Projects)”. U.S. Energy Information Administration. Retrieved 3 October 2026.
  4. “FERC eLibrary docket CP26-538”. Federal Energy Regulatory Commission. 3 June 2026. Retrieved 3 October 2026.
  5. “FERC: U.S. LNG peak-shavers (as of September 22, 2026)”. Federal Energy Regulatory Commission. 22 September 2026. Retrieved 3 October 2026.
  6. “Williams Form 10-Q for the quarter ended June 30, 2026 (MD&A, Power Express)”. The Williams Companies, Inc. 3 August 2026. Retrieved 3 October 2026.
  7. “FERC eLibrary docket CP26-18”. Federal Energy Regulatory Commission. 3 November 2025. Retrieved 3 October 2026.
  8. “FERC: Major Pipeline Projects Pending (Onshore)”. Federal Energy Regulatory Commission. Archived from the original on 20 December 2025. Retrieved 3 October 2026.
  9. “FERC eLibrary docket CP25-299”. Federal Energy Regulatory Commission. 29 April 2025. Retrieved 3 October 2026.
  10. “FERC eLibrary docket CP24-87”. Federal Energy Regulatory Commission. 7 March 2024. Retrieved 3 October 2026.
  11. “FERC eLibrary docket CP17-133”. Federal Energy Regulatory Commission. 6 April 2017. Retrieved 3 October 2026.
  12. “FERC eLibrary docket CP17-441”. Federal Energy Regulatory Commission. 11 May 2017. Retrieved 3 October 2026.
  13. “FERC eLibrary docket CP15-110”. Federal Energy Regulatory Commission. 6 March 2015. Retrieved 3 October 2026.
  14. “FERC eLibrary docket CP12-471”. Federal Energy Regulatory Commission. 4 June 2012. Retrieved 3 October 2026.
  15. “FERC eLibrary docket CP12-98”. Federal Energy Regulatory Commission. 29 March 2012. Retrieved 3 October 2026.
  16. “FERC eLibrary docket CP11-520”. Federal Energy Regulatory Commission. 26 July 2011. Retrieved 3 October 2026.
  17. “FERC eLibrary docket CP12-1”. Federal Energy Regulatory Commission. 3 October 2011. Retrieved 3 October 2026.
  18. “FERC eLibrary docket CP09-426”. Federal Energy Regulatory Commission. 2 June 2009. Retrieved 3 October 2026.
  19. “Northwest Pipeline Corp supplement to application, Rockies Expansion Project (CP01-438)”. Northwest Pipeline Corp (filed with FERC). 2 October 2001. Retrieved 4 October 2026.
  20. “FERC eLibrary docket CP23-479”. Federal Energy Regulatory Commission. 12 May 2023. Retrieved 3 October 2026.
  21. “FERC eLibrary docket CP26-94”. Federal Energy Regulatory Commission. 19 February 2026. Retrieved 3 October 2026.
  22. “Environmental Assessment Report for Northwest Pipeline LLC's 157.205, 157.208, 157.210 – Prior Notice under CP26-94.”. Federal Energy Regulatory Commission (staff document). 1 May 2026. Retrieved 3 October 2026.
  23. “FERC eLibrary docket CP25-204”. Federal Energy Regulatory Commission. 10 April 2025. Retrieved 3 October 2026.
  24. “FERC eLibrary docket CP11-59”. Federal Energy Regulatory Commission. 11 January 2011. Retrieved 3 October 2026.
  25. “FERC eLibrary docket CP21-115”. Federal Energy Regulatory Commission. 5 April 2021. Retrieved 3 October 2026.
  26. “30-day advance notice of replacement of compression facilities at the Rangely Compressor Station (CP21-115)”. Northwest Pipeline LLC (filed with FERC). 5 April 2021. Retrieved 4 October 2026.
  27. “FERC eLibrary docket CP25-211”. Federal Energy Regulatory Commission. 15 April 2025. Retrieved 3 October 2026.
  28. “Environmental Assessment Report for Northwest Pipeline LLC's Section 2.55(b)(3) Advance Notification of Replacement of Facilities under CP25-211.”. Federal Energy Regulatory Commission (staff document). 15 May 2025. Retrieved 3 October 2026.
  29. “FERC eLibrary docket PF09-10”. Federal Energy Regulatory Commission. 16 March 2009. Retrieved 3 October 2026.
  30. “FERC eLibrary docket PF11-8”. Federal Energy Regulatory Commission. 13 July 2011. Retrieved 3 October 2026.
  31. “FERC eLibrary docket CP14-84”. Federal Energy Regulatory Commission. 14 February 2014. Retrieved 3 October 2026.
  32. “FERC eLibrary docket PF12-20”. Federal Energy Regulatory Commission. 10 July 2012. Retrieved 3 October 2026.
  33. “FERC eLibrary docket CP14-515”. Federal Energy Regulatory Commission. 2 July 2014. Retrieved 3 October 2026.
  34. “FERC eLibrary docket CP26-439”. Federal Energy Regulatory Commission. 30 April 2026. Retrieved 3 October 2026.
  35. “Environmental Assessment Report for Northwest Pipeline LLC's Section 2.55(b)(3) Advance Notification of Replacement of Facilities under CP26-439.”. Federal Energy Regulatory Commission (staff document). 20 May 2026. Retrieved 3 October 2026.
  36. “FERC eLibrary docket PF26-15”. Federal Energy Regulatory Commission. 1 September 2026. Retrieved 3 October 2026.
  37. “FERC eLibrary docket CP24-472”. Federal Energy Regulatory Commission. 29 May 2024. Retrieved 3 October 2026.
  38. “FERC eLibrary docket CP23-532”. Federal Energy Regulatory Commission. 21 August 2023. Retrieved 3 October 2026.
  39. “FERC eLibrary docket CP20-54”. Federal Energy Regulatory Commission. 19 February 2020. Retrieved 3 October 2026.
  40. “Recent Projects (archive 2010-11-14)”. Snelson Companies, Inc. Archived from the original on 14 November 2010. Retrieved 3 October 2026.
  41. “FERC eLibrary docket CP07-100”. Federal Energy Regulatory Commission. 9 March 2007. Retrieved 3 October 2026.

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