Global geothermal investment is entering a period of accelerated growth, with capital expenditure (capex) expected to climb about 20% annually through 2030, according to Rystad Energy’s latest geothermal economics model. This momentum comes as geothermal energy, produced by tapping heat from deep within the earth, is no longer defined only by mature hubs in Southeast Asia and the US. Interest in regions such as Africa and Europe has been building at a measured pace, contributing to a steady broadening of activity worldwide. Meanwhile, the…