PEMEX Deer Park Refinery
Large load · 5900 Highway 225 East, Deer Park, TX
The Deer Park refinery in Harris County, Texas, has a production capacity of 340,000 barrels per day and has been wholly owned by PEMEX since January 2022. Its generation resources are registered with ERCOT with a summer maximum sustainable rating of 190 MW.
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Overview
The refinery has a production capacity of 340,000 barrels per day. It produces more than a quarter of a million barrels per day of motor fuels such as gasoline, diesel and jet fuel, and also produces petrochemical feedstocks. The site stretches across 1,500 acres along the Houston Ship Channel. Pemex's Deer Park refinery operated near its top capacity in the second quarter of 2026, processing 322,000 b/d of crude.
Profile
- Electricity and grid
- ERCOT lists the refinery generation resources as SL_SL_G1, SL_SL_G2, SL_SL_G3 and SL_SL_G4 under Deer Park Refining Limited Partnership. The generation resources have a summer Seasonal Net Max Sustainable Rating of 190 MW and a summer Seasonal Net Minimum Sustainable Rating of 120 MW. Deer Park Refining Limited Partnership converted from a Generation Resource to a Settlement Only Transmission Self-Generator as of October 27, 2023, and the resources were not being retired or mothballed.
- Ownership and permits
- In January 2022 PEMEX acquired the remaining interest in the facility to become the sole owner of the refinery, which is operated 100% as PEMEX Deer Park. TCEQ listed a new effective operating permit, O4669, for Deer Park Refining Limited Partnership on June 18, 2025. A Big Block Turnaround was completed in the fourth quarter of 2025, with all units safely restarted.
Facility
- Activity
- Motor fuels (gasoline, diesel, jet fuel) and petrochemical feedstocks
- Industry
- Industrial
- Site type
- Facility
- Operating status
- Operating
Permits and agreements
- Permit
- New Effective Operating Permit O4669, June 18, 2025