27TAIHEIYO CEMENT REPORT 2020 ince introducing a WHR power generation system at its Kumagaya plant in Kumagaya City, Saitama Prefecture in 1982, the company has installed similar facilities in its other plants in Japan. These systems generate power by recovering thermal energy from high-temperature exhaust gas generated in the cement calcination process and contribute significantly to the reduction of CO emissions. In October 2019 the company decided to install a WHR power generation facility incorporating a cutting-edge waste heat recovery boiler at its Saitama plant in Hidaka City, Saitama Prefecture. This facility is scheduled to begin operations in September 2022, marking the completion of the initiative to install waste heat power generation systems at all six company plants. The operation of these facilities is expected to help reduce CO emissions by approximately 27,000 tonnes per