Installation of binary power generation equipment in Hishikari Mine

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March 10, 2021
Sumitomo Metal Mining Co., Ltd.

Sumitomo Metal Mining Co., Ltd. (Head office: Minato-ku, Tokyo; President & Representative Director: Akira Nozaki) has installed captive consumption binary power generation equipment at the Hishikari Mine that utilizes hot-spring heat. In February of this year, we began operation of this equipment. This is a captive consumption system, where the power generation equipment utilizes heat from the hot-springs that spout underground at the Hishikari Mine to generate electric power that is then used within the Hishikari Mine. Through generating power using naturally occurring hot-spring heat, we're able to reduce our greenhouse gas emissions.

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Installation of binary power generation equipment in Hishikari Mine