Banpu Public Co. Ltd. operates coal mines, exploration & production fields, solar farms, and power plants. Operations are organized into three business units: Energy Resources, Energy Generation, and Energy Technology. Kalnin Ventures operates as a subsidiary of the company. Common shares are listed on the Thailand (BANPU) exchange.
Ban Pu Coal was founded in 1983 by the Vongkusolkit and Auapinyakul families and listed publicly in 1989. Bharinto Ekatama was acquired in 2004, and Peak Pacific Investment was acquired in 2006. The company bought Centennial Coal in 2010, and Somruedee Chaimongkol became CEO in 2015. Kalnin Ventures was formed in 2015.