Last mentioned: Mar 3, 2026
Market Assessment
Analysis confirms the state is on track to lose nearly 20% of its total refining capacity as other facilities idle.
Official Closure
The Phillips 66 Los Angeles Refinery officially ceases all operations across its Carson and Wilmington facilities.
Production Decline Data
EIA data confirms California has dropped to 7th in national crude oil production.
Phillips 66 Announcement
Industry giant Phillips 66 announces plans to close its Los Angeles-area refinery by the end of 2025.
California's energy landscape is undergoing a structural shift as major refineries from Phillips 66, Marathon, and Valero shutter or idle, removing nearly 20% of the state's refining capacity. This transition, driven by aggressive environmental regulations and declining local production, raises critical questions about fuel security and the redevelopment of massive industrial sites.