Teijin Launches Gas Cogeneration System to Cut Emissions at Matsuyama Plant

Japanese materials manufacturer Teijin Limited has begun full-scale operations of a new high-efficiency gas-fired cogeneration system at its Matsuyama plant, a move expected to significantly reduce emissions and improve energy resilience.

The facility, located in Ehime Prefecture, uses a Combined Heat and Power (CHP) process—simultaneously generating electricity and heat by capturing waste energy from power production. The system is projected to cut carbon dioxide emissions by around 200,000 tonnes annually at the site.

The Matsuyama plant, Teijin’s largest production base, has undergone a major energy infrastructure transformation as part of the company’s broader sustainability strategy, which prioritises climate change mitigation and adaptation.

With an output of approximately 30,000 kilowatts, the new installation ranks among Japan’s largest industrial gas cogeneration systems. The project required an investment of tens of billions of yen, including upgrades to power reception and distribution infrastructure.

Previously reliant on coal and petroleum-based fuels, the plant has now fully transitioned away from coal use—making Teijin the first Japanese chemical fibre manufacturer with in-house power generation to achieve this milestone.

The company said the upgrade aligns with its long-term goal of achieving net-zero carbon emissions by 2050, while also improving operational efficiency and energy security.

Looking ahead, Teijin plans to expand its use of renewable energy, deploy advanced data-driven energy-saving measures, and further reduce its environmental footprint as part of its commitment to building a more sustainable society.