Global geothermal power capacity was north of 14 gigawatts at the end of last year, up 40 percent over the past decade. There’s increasing demand for the form of electrical generation from places in Indonesia and eastern Africa, and lots of the companies that design and install utility-scale geothermal are Japanese: Mitsubishi Heavy Industries, Toshiba Energy Systems, and Toyota Tsusho are huge players in the geothermal space, with Japanese corporations holding over a 60 percent share in geothermal turbines.
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