Idemitsu Kosan

Performance

About Idemitsu Kosan

Idemitsu Kosan is a Japanese energy and petrochemicals company engaged in oil refining, petrochemical product manufacturing, and the development of low-carbon solutions. It operates a nationwide network of refineries, oil depots, and service stations, and leverages its CNX Center and Smart Yorozuya initiatives to support carbon neutrality and community-focused energy infrastructure. The company also produces petrochemical feedstocks from crude oil refining, and maintains leadership in ethylene production while pursuing sustainable material development through R&D capabilities. In addition to refining and chemicals, it owns diverse energy assets including renewable power sources and low-emission gas-fired plants, and conducts wholesale and retail energy businesses for industrial and residential customers in Japan and overseas.