Ethylene Plants in the United States
7 September 2024
General Overview
Ethylene is an important monomer used for the production of many plastic resins and basic chemicals. Worldwide production is on the order of 150 million tons annually. It is produced by the pyrolysis or cracking of light hydrocarbons or alkanes. Typically, US ethylene producers use ethane derived from natural gas as a feedstock. Ethane is mixed with steam and fed to large furnaces called crackers. The process is referred to as "steam cracking". At high temperature, >2000°F, ethane breaks down into ethylene. The outlet of the cracker is quickly cooled and quenched to limit the further breakdown of the hydrocarbons. This process also produces byproducts such as propylene and butadiene. These byproducts are separated from ethylene by distillation. Pure, 99.9 wt%, ethylene and propylene are sold. Unreacted ethane is recycled back to the cracker.
Numerous companies operate steam crackers in the US. Below is a list of these companies:
- CPChem
- ExxonMobil Chemical
- Indorama Ventures
- Westlake Chemical
- BASF/Total (Joint Venture)
- LyondellBassell
- Formosa Plastics Corporation
- Shell Chemical
- Ineos
- Dow Chemical
- OxyChem
- Motiva
- Eastman Chemical
- Nova Chemicals
- Shin-Etsu
- Westlake/Lotte Chemical (Joint Venture)
- Sasol
- Bayport Polymers
CPChem
Chevron Phillips Chemical, (CPChem) is a joint venture between Chevron and Phillips Petroleum. The company is a petrochemical company with global operations. The company operates three ethylene plants in the US.
Cedar Bayou
The Cedar Bayou facility consists of two steam crackers which supply CPChem's adjacent polyethylene plants. Cedar Bayou is located in Mont Belvieu, Texas east of Houston.

One of CPChem's Cedar Bayou steam crackers.

One of CPChem's Cedar Bayou steam crackers.
Sweeny
The Sweeny facility consists of three steam crackers. It is located next to the Phillips 66 Sweeny refinery approximately 50 miles southwest of Houston.

CPChem's Sweeny ethylene plant.
Port Arthur
The Port Arthur facility consists of a single steam cracker. The facility is located near other refining and chemical operations in Port Arthur. Port Arthur is south of Beaumont, Texas.

CPChem's Port Arthur ethylene plant.
ExxonMobil Chemical
ExxonMobil Chemical is a subsidiary of oil and gas giant ExxonMobil which manufactures petrochemicals such as polyethylene. ExxonMobil Chemical operates four ethylene plants at its refineries along the Gulf coast.
Baytown
The Baytown ethylene plant consists of three steam crackers. The plant is located at ExxonMobil's refinery in Baytown east of Houston.

ExxonMobil's Baytown ethylene plant.
Beaumont
The Beaumont ethylene plant consists of two steam crackers. The plant is located at ExxonMobil's refinery in Beaumont, Texas.

ExxonMobil's Beaumont ethylene plant.
Baton Rouge
The Baton Rouge ethylene plant consists of a single steam cracker. The plant is located at ExxonMobil's refinery in Baton Rouge, Louisiana.

ExxonMobil's Baton Rouge chemical plant.
Portland
SABIC is a Saudi Arabian petrochemical company. ExxonMobil formed a joint venture with SABIC to produce polyethylene in Portland, Texas. The Portland facility contains a single steam cracker. The plant is located near the city of Corpus Christi, Texas.

ExxonMobil's Portland chemical plant.
Indorama Ventures
Indorama Ventures is a Thai petrochemical company. The company operates two ethylene plants in the US.
Port Neches
A single steam cracker is located at the company's petrochemical complex in Port Neches. The city is situated near Port Arthur, Texas.

Indorama's Port Neches complex.
Sulphur
Indorama operates a single steam cracker in Sulphur, Louisiana. The site is located in an area near other chemical and refining operations. Sulphur is close to the city of Lake Charles.

Indorama's steam cracker near Lake Charles.
Westlake Chemical
Westlake is a Houston-based PVC and petrochemical producer. The company operates two ethylene plants, and it is engaged in a joint venture with Lotte Chemical.
Sulphur
Westlake operates two steam crackers in Sulphur, Louisiana. The site is located in an area near other chemical and refining operations. Sulphur is close to the city of Lake Charles.

Westlake's Sulphur ethylene plant.
Calvert City
Westlake operates a steam cracker in Calvert City, Kentucky. The ethylene plant is situated next to Westlake's chlor-alkali and VCM operations in Calvert City.

Westlake's Calvert City ethylene plant.
BASF/Total (Joint Venture)
BASF is a German chemical company and one of the largest in the world. Total Energies is a French oil and gas company with numerous petrochemical operations.
Port Arthur
A joint venture between BASF and Total owns a steam cracker situated at Total's refinery in Port Arthur.

BASF/Total JV ethylene plant in Port Arthur.
LyondellBassell
LyondellBassell is one of the largest petrochemical companies in the world. It operates five ethylene plants in the US.
Channelview
LyondellBassell's Channelview complex contains two steam crackers. The complex is located northeast of Houston.

One of LyondellBassell's steam crackers in Channelview.
LaPorte
LyondellBassell operates a steam cracker at its LaPorte facility located along the east Houston ship channel.

LyondellBassell ethylene plant in LaPorte.
Corpus Christi
The Corpus Christi ethylene plant consists of a single steam cracker. The site is located west of the city of Corpus Christi, Texas.

LyondellBassell ethylene plant in Corpus Christi.
Clinton
The Clinton ethylene plant consists of a single steam cracker. The site is located in Clinton, Iowa north of Davenport.

LyondellBassell's steam cracker in Clinton.
Morris
The Morris ethylene plant consists of a single steam cracker. The site is located in Morris, Illinois southwest of Chicago.

LyondellBassell's steam cracker in Morris.
Formosa Plastics Corporation
Formosa Plastics Corporation (FPC) is a Taiwanese PVC and petrochemical producer.
Point Comfort
FPC operates 3 steam crackers at its Point Comfort, Texas complex. Point Comfort is located in Port Lavaca along the Gulf coast of Texas between Corpus Christi and Freeport.

FPC point comfort complex.
Shell Chemical
Shell Chemical is a subsidiary of the oil and gas giant Shell plc. Shell operates 3 ethylene plants in the US.
Deer Park
Shell owns three steam crackers within the PEMEX refinery in Deer Park on the Houston ship channel.

Shell's Deer Park ethylene plant.
Norco
Shell operates a single steam cracker within its refinery in Norco, Louisiana. Norco is located on the Mississippi river north of New Orleans.

Shell's Norco ethylene plant.
Monaca
Shell owns a sigle steam cracker within its chemical complex in Monaca, Philadelphia. The site is located on the Ohio River north of Pittsburg.

Shell's Monaca ethylene plant.
Ineos
Ineos is a British petrochemical conglomerate. The company operates a single ethylene plant in the US.
Chocolate Bayou
The Chocolate Bayou facility consists of two steam crackers. Chocolate Bayou is approximately 40 miles south of Houston.

Ineos steam cracker in Chocolate Bayou.
Dow Chemical
Dow Chemical is one of the largest chemical companies in the world. It operates five ethylene plants in the US.
Freeport
Dow operates a steam cracker within its main Freeport, Texas complex.

Dow's steam cracker within its main Freeport complex.
Oyster Creek
East of Dow's Freeport facility is Oyster Creek. Here, Dow operates two steam crackers.

One of Dow's steam crackers in Oyster Creek.
Orange
East of Beaumont, Texas is Orange, Texas where Dow operates a single steam cracker.

Dow's Orange complex.
Plaquemine
South of Baton Rouge, Louisiana, along the Mississippi river, is Plaquemine where Dow operates two steam crackers.

Dow's Plaquemine complex.
Taft
Dow operates two steam crackers at its Taft, Louisiana facility. Taft is west of New Orleans.

Dow's Taft complex.
OxyChem
Occidental Chemical is subsidiary of the oil and gas company Occidental (Oxy). OxyChem operates a single ethylene plant in the US.
Ingleside
Ingleside is located north of Corpus Christi, Texas. Here, OxyChem operates a steam cracker as part of a joint venture with MexiChem.

OxyChem Ingleside steam cracker.
Motiva
Motiva is the US subsidiary of Saudi Arabian state-owned oil giant Aramco. The company operates a single ethylene plant in the US.
Port Arthur
Aramco operates a steam cracker adjacent to its Port Arthur refinery.

Aramco-owned Motiva's steam cracker in Port Arthur.
Eastman Chemical
Eastman Chemical is a chemical manufacturer known for being the former chemical subsidiary of Eastman Kodak. The company operates a single ethylene plant in the US.
Longview
Eastman operates a steam cracker within its Longview, Texas complex.

Eastman chemical complex in Longview.
Nova Chemicals
Nova Chemicals is a Canadian petrochemical company which operates a single ethylene plant in the US.
Geismar
Geismar, Louisiana is located south of Baton Rouge. Nova chemicals owns a steam cracker in Geismar near numerous other chemical operations.

Nova Chemicals steam cracker in Geismar.
Shin-Etsu
Shin-Etsu is a Japanese PVC producer. Its US subsidiary operates a single ethylene plant.
Plaquemine
Shin-Etsu operates a steam cracker at its Plaquemine chemical complex.

Shin-Etsu's complex in Plaquemine.
Westlake/Lotte Chemical (Joint Venture)
Lotte Chemical is a Korean chemical company. A joint venture between Westlake and Lotte Chemical owns a single ethylene plant in the US.
Lake Charles
The joint venture operate a steam cracker in Lake Charles, Louisiana. The plant is located near other refining and chemical operations.

Westlake/Lotte JV ethyene plant in Lake Charles.
Sasol
Sasol is a South African petrochemical company. It operates a single ethylene plant in the US.
Lake Charles
Sasol operates a steam cracker within its petrochemical complex in Lake Charles, Louisiana.

Sasosl's ethyene plant in Lake Charles.
Bayport Polymers
Baystar (Bayport Polymers) is a Pasadena, Texas based polyethylene producer. It operates a single ethylene plant in the US.
Port Arthur
Baystar operates a steam cracker adjacent to the Total Energies refinery in Port Arthur, Texas to supply its polyethylene plants in Texas.
Baystar's ethyene plant in Port Arthur.