Geismar Biorefinery

REG Geismar is a renewable diesel production facility in southern Louisiana. The plant uses a wide variety of lower-cost feedstocks to produce approximately 75 million gallons of high-quality renewable diesel, renewable naphtha and renewable autogas annually. 

  • Nameplate capacity: 75 mmgy
  • Feedstocks: High and low free fatty acid feedstocks
  • Loading capabilities: Truck and rail. Finished fuel can be shipped by truck, rail and vessel.
REG Geismar Plant


36187 Hwy 30
Geismar, LA 70734

Hours of Operation

Loading: 24 hours a day, 7 days a week
Office: Monday – Friday: 7:30 a.m. – 5 p.m. CT
Loading appointment required: No
Contact: [email protected] 
Phone: 225-744-1300

Products produced here

About Geismar

Geismar, Louisiana, has over 7,000 residents and is located along the Mississippi River, 20 miles from Baton Rouge and 60 miles from New Orleans. The area is known for its historic sites, outdoor activities and Cajun cuisine. Dutchtown High School is one of the top public high schools in the state and has produced several NFL players.