US Oil Refineries Map / Louisiana

Oil Refineries in Louisiana: Map and Full List (2026)

Every oil refinery in Louisiana, from Lake Charles to Baton Rouge and the Mississippi River parishes, with operator and crude capacity.

Hiring refinery engineers?

Louisiana has 14 operable oil refineries with about 3.0 million barrels per day of crude distillation capacity, 17% of the US total and second only to Texas. The largest is the Garyville Refinery in Garyville, run by Marathon Petroleum.

14operable refineries in Louisiana
3.0Mbarrels per day of crude capacity
17%of US refining capacity
11operating companies
Operating Idle Closed in 2026 Circle size = crude capacity. Pins are approximate.

RefineryOperatorLocationCrude capacity (b/d)StatusSource
Garyville Refinery Marathon Petroleum Garyville, LA (St. John the Baptist Parish) 617,000 Operating Source (2026-06-26)
Baton Rouge Refinery ExxonMobil Baton Rouge, LA (East Baton Rouge Parish) 523,500 Operating Source (2026-06-26)
Lake Charles RefineryA court-approved sale of Citgo to Elliott-backed Amber Energy was still awaiting US Treasury (OFAC) approval as of September 2026. Citgo Petroleum Lake Charles, LA (Calcasieu Parish) 471,200 Operating Source (2026-09-27)
Lake Charles Refinery Phillips 66 Westlake, LA (Calcasieu Parish) 263,700 Operating Source (2026-06-26)
Norco Refinery Shell Norco, LA (St. Charles Parish) 231,153 Operating Source (2026-06-26)
St. Charles Refinery Valero Energy Norco, LA (St. Charles Parish) 215,000 Operating Source (2026-06-26)
Chalmette Refinery PBF Energy Chalmette, LA (St. Bernard Parish) 190,000 Operating Source (2026-06-26)
Lake Charles Refinery (Calcasieu Refining) Calcasieu Refining Co. (Transworld Oil USA) Lake Charles, LA (Calcasieu Parish) 135,500 Operating Source (2026-06-26)
Meraux Refinery Valero Energy Meraux, LA (St. Bernard Parish) 125,000 Operating Source (2026-06-26)
Krotz Springs Refinery Delek US Krotz Springs, LA (St. Landry Parish) 80,000 Operating Source (2026-06-26)
Port Allen Refinery Placid Refining Co. Port Allen, LA (West Baton Rouge Parish) 75,000 Operating Source (2026-06-26)
Shreveport Refinery Calumet Shreveport, LA (Caddo Parish) 57,000 Operating Source (2026-06-26)
Cotton Valley Refinery Calumet Cotton Valley, LA (Webster Parish) 13,020 Operating Source (2026-06-26)
Princeton Refinery Calumet Princeton, LA (Bossier Parish) 8,300 Operating Source (2026-06-26)

Capacity is atmospheric crude distillation capacity in barrels per calendar day from the EIA Refinery Capacity Report (data as of January 1, 2026), with later closures, restarts and ownership changes applied from the linked sources. "Operable" includes idle refineries, as EIA counts them. Last updated October 2026. See every US refinery on the full map.

Largest refineries in Louisiana

#RefineryOperatorLocationCrude capacity (b/d)
1Garyville RefineryMarathon PetroleumGaryville, LA617,000
2Baton Rouge RefineryExxonMobilBaton Rouge, LA523,500
3Lake Charles RefineryCitgo PetroleumLake Charles, LA471,200
4Lake Charles RefineryPhillips 66Westlake, LA263,700
5Norco RefineryShellNorco, LA231,153
6St. Charles RefineryValero EnergyNorco, LA215,000
7Chalmette RefineryPBF EnergyChalmette, LA190,000
8Lake Charles Refinery (Calcasieu Refining)Calcasieu Refining Co. (Transworld Oil USA)Lake Charles, LA135,500
9Meraux RefineryValero EnergyMeraux, LA125,000
10Krotz Springs RefineryDelek USKrotz Springs, LA80,000

Atmospheric crude distillation capacity in barrels per calendar day. Source: EIA Refinery Capacity Report, with later closures and restarts applied.

Where the Louisiana refineries are

Who runs the Louisiana refineries

#OperatorRefineriesCrude capacity (b/d)
1Marathon Petroleum1617,000
2ExxonMobil1523,500
3Citgo Petroleum1471,200
4Valero Energy2340,000
5Phillips 661263,700
6Shell1231,153
7PBF Energy1190,000
8Calcasieu Refining Co. (Transworld Oil USA)1135,500
9Delek US180,000
10Calumet378,320

Citgo, which owns the Lake Charles refinery, is in the middle of a court-ordered sale of its parent company. As of September 2026 the sale was still waiting on US Treasury approval.

Refinery jobs in Louisiana

Louisiana refineries rely on the same skills as Texas: operators, process and chemical engineers, inspectors, maintenance crafts and large contract crews for turnarounds. Many engineers move between the Lake Charles, Beaumont and Houston refining areas. See the main oil refinery jobs.

Hiring refinery engineers on the Gulf Coast? Apollo Technical recruits process, chemical, mechanical, electrical and controls engineers for refineries and petrochemical plants from our Houston engineering team. See our chemical engineering recruiters.

Louisiana refinery FAQ

How many oil refineries are in Louisiana?

Louisiana has 14 operable refineries with crude distillation capacity, based on EIA data.

What is the largest refinery in Louisiana?

The Garyville Refinery in Garyville, run by Marathon Petroleum, with about 617,000 barrels per day.

See the US oil refineries map for every state, or oil refineries in Texas.