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October 30, 2025
Opening: Target late-2020s (~2029 if sanctioned).
Cost: $10 billion.
Capacity: 12 mtpa (1.58 Bcf/d), hydro-powered concept.
Feed pipeline: The Prince Rupert Gas Transmission (PRGT~900 km); BC confirmed ‘substantial start’ 2025.
Location: Nisg̱a’a Nation lands, Pearse Island/Nass estuary.
Ownership: Western LNG (95%); TotalEnergy (5%).
From 2014 to 2023, the Ksi Lisims LNG project was in the early stages of regulatory planning. A 40-year export license was granted in 2022, and project proponents filed environmental certificate applications in 2023 while selecting FEED and low-carbon compression partners in collaboration with Siemens and Black & Veatch. In June 2025, the BC Environmental Assessment Office declared that the Prince Rupert Gas Transmission (PRGT) pipeline a vital supply route to Ksi Lisims is now “substantially started,” extending the life of its environmental certificate. On May 19, 2025 TotalEnergies signed a 20-year, 2 Mtpa LNG sale-and-purchase agreement (SPA) and took a 5% equity stake in Western LNG, strengthening the project’s commercial viability. These developments mark a shift from planning to actionable pre-construction, backed by commercial partners and regulatory progress signaling momentum toward a late-2020s start, potentially by 2029. The project received BC Government environmental certificate September 2025, however project still have very significant uncertainties.
References:
“Project overview.”, Ksi Lisims LNG, https://www.ksilisimslng.com/project . Accessed 5 September 2025
“Canada: TotalEnergies Signs an Agreement to Export 2 Mtpa of LNG for 20 years from the Ksi Lisims LNG Project.”, TotalEnergies, May 2025, https://totalenergies.com/news/press-releases/canada-totalenergies-signs-agreement-export-2-mtpa-lng-20-years-ksi-lisims-lng
“Pipeline project determined to be substantially started” Government of British Columbia, June 2025 https://news.gov.bc.ca/releases/2025ENV0023-000549
“Canadian regulator says Prince Rupert Gas Transmission pipeline project has started.”, Reuters, June 2025, https://www.reuters.com/business/energy/canadian-regulator-says-prince-rupert-gas-transmission-pipeline-project-has-2025-06-05/
“Prince Rupert Gas Transmission.”, British Columbia Energy Regulator, August 2025, https://www.bc-er.ca/what-we-regulate/major-projects/prince-rupert-gas-transmission/
Newman, Chris. “Enbridge Scrapping Northern BC Natural Gas Pipeline as Project Backlog Swells to C$27B.”, Natural Gas Intelligence, December 2024, https://naturalgasintel.com/news/enbridge-scrapping-northern-bc-natural-gas-pipeline-as-project-backlog-swells-to-c27b/
Kulkarni, Akshay. “Ksi Lisims LNG project in northwest BC survives judicial challenge.”, CBC, September 2025, https://www.cbc.ca/news/canada/british-columbia/hereditary-chiefs-fail-in-ksi-lisims-lng-court-challenge-1.7624098
“Ksi Lisims LNG is granted a 40-year export license.”, Ksi Lisims LNG, December 2022, https://www.ksilisimslng.com/news/ksi-lisims-lng-is-granted-a-40-year-export-license
“Ksi Lisims LNG files application for Environmental Certificate.”, Ksi Lisims LNG, October 2023, https://www.ksilisimslng.com/news/ksi-lisims-lng-files-application-for-environmental-certificate
“Ksi Lisims LNG selects Siemens Energy to support design of low-carbon electrical driven compression system.”, Ksi Lisims LNG, July 2023, https://www.ksilisimslng.com/news/ksi-lisims-lng-selects-siemens-energy-to-support-design-of-low-carbon-electrical-driven-compression-system
“Black & Veatch Chosen for FEED Work on Proposed Ksi Lisims LNG Floating Natural Gas Project in Canada.”, Black & Veatch, July 2023, https://www.bv.com/news/black-and-veatch-chosen-for-feed-work-on-proposed-ksi-lisims-lng-floating