Phillips 66, Kinder Morgan, HF Sinclair approve $5 billion Western Gateway project

August 11, 2026 7:24 AM EDT

HF Sinclair Corp logo is seen displayed in this illustration taken, April 10, 2023. REUTERS/Dado Ruvic/Illustration

Aug 11 (Reuters) - Phillips 66, ‌Kinder Morgan and ​HF ​Sinclair said on Tuesday they have decided to proceed with the proposed $5 billion Western Gateway Pipeline system and finalized a joint ‌venture agreement for the same.

Phillips 66 will own 49.9% of ⁠the venture, Kinder Morgan 35.1% and HF Sinclair 15%.

Companies have been racing to build a ‌major new fuel pipeline to ‌the U.S. West Coast ahead of planned refinery closures in California, a relatively isolated fuel market with limited links to major refining hubs ​that leave it vulnerable to supply disruptions and price spikes.

Western Gateway is a proposed 1,300-mile refined products pipeline system with a design ⁠capacity of 230,000 barrels per day that would establish a new fuel supply route from St. Louis, ​Missouri and Gulf Coast origin points to Arizona and California. The project is targeting completion in 2029.

Phillips 66 and ​HF Sinclair's ability to move product west ‌will be a major positive for their refining systems, UBS analysts said, particularly during the winter months when demand ⁠is softer in the mid-continent and Midwest regions.

Phillips 66's Gold Pipeline, which currently runs from Borger, Texas to St. Louis, will be reversed to supply the ⁠proposed east-to-west system, as will Kinder Morgan's existing pipeline between Colton, California and Phoenix, ​Arizona.

After the completion of a new pipeline from Borger to Phoenix, Kinder Morgan's existing SFPP East Line and West Line assets will also be contributed to the joint ‌venture at a value of about $1.5 billion, the companies said.

Phillips 66 will contribute nearly $2.5 billion in cash for the ‌project — which has an estimated enterprise value of $5 billion — while Kinder Morgan ⁠will contribute about $250 million and ‌HF Sinclair about $750 million.

The ​new system will be underpinned by primarily 10-year take-or-pay contracts, the companies added.

(Reporting by Pooja Menon in Bengaluru; Editing by ‌Jonathan Ananda)



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