Kinder Morgan, Phillips 66 Advance Western Gateway Pipeline to California Markets

Phillips 66 and Kinder Morgan are moving forward with the Western Gateway Pipeline after strong shipper interest, positioning the system to deliver refined products into California markets through reversed and new pipeline capacity.

(P&GJ) — Phillips 66 and Kinder Morgan have closed an initial open season for transportation service on the proposed Western Gateway Pipeline, citing strong shipper interest and commitments for capacity moving refined products toward California.

Following the close of the initial open season, the companies said they will launch a subsequent open season in January 2026 to market remaining capacity. The next phase will include additional delivery options west of Colton, California, enabled through a joint tariff with an existing SFPP line that will be reversed between Watson and Colton to allow westbound product flows into the Los Angeles market.

The Western Gateway system is planned as a combination of new and existing infrastructure. It would include a new-build pipeline running from Borger, Texas to Phoenix, Arizona, paired with Kinder Morgan’s SFPP pipeline segment from Colton to Phoenix, which would be reversed to support east-to-west movements into California.

Supply for the system would originate from refined products connected at Borger, as well as volumes already tied into the SFPP system in El Paso, Texas. In addition, the Phillips 66-operated Gold Pipeline, which currently moves products from Borger to St. Louis, would be reversed to direct Midcontinent refinery supply toward Borger for delivery into the Western Gateway system.

Once completed, the pipeline would link Midwest and Midcontinent refinery supply with markets in Phoenix and California, with additional connectivity to Las Vegas through Kinder Morgan’s CALNEV Pipeline.