GS Caltex Corporation is a South Korean energy and chemical company headquartered in Seoul. It operates as a 50-50 joint venture between GS Energy and Chevron Corporation. The company engages in petroleum refining, petrochemical manufacturing, and production of lubricants and base oils, with its primary facilities at the Yeosu Complex.
Established in 1967, GS Caltex maintains refining capacity among the largest single-site operations globally. It supplies petroleum products, aromatics, olefins, polymers, and related chemicals. Recent activities include scheduled maintenance turnarounds incorporating digital and AI tools for efficiency and safety, as well as collaborations focused on utility optimization and emissions reduction.
In 2026, the company advanced partnerships, including an agreement with Veolia for integrated environmental, energy, and digital solutions at Yeosu, and a carbon-free steam supply project with Namhae Chemical slated for 2027 operations, projected to reduce annual CO₂ emissions by approximately 70,000 tonnes.
Also known as GS Caltex Corp and GS칼텍스.
chemXplore tracks 2 projects involving GS Caltex, of which 2 are active.
GS Caltex's role on them: Owner, Investor / Financier, Operator, Developer, and Offtaker.
1 expansion and 1 revamp / retrofit.
Offtakers are recorded on all 2 of them For subscribers
Targeting: Distillates (petroleum), steam-cracked (1), Sulfuric acid hydrogenion (1), Sulphur (1), Sustainable Aviation Fuel (1)
Will deliver 2,000 tons of 100% Neat SAF over the next year, use co‑processing with ISCC EU certification, join a carrier carbon‑reduction service, and complete a dedicated production line within the year.
Nine-unit, ~60-day maintenance used digital and AI tools to speed inspections, clean heater tubes, monitor safety and reinforce safety leadership across operations.
Partnership will integrate utility operations, deploy AI-driven digitalisation and adopt green technologies under a Triple‑X BX/DAX/GX framework at Yeosu Complex.
Reactivating an idle sulfuric acid plant to generate steam from refinery sulfur; pipeline and plant modifications start next year with commercial supply in 2027 and ~70,000 tCO₂eq/yr reduction.
