Amid global energy pressures, South-east Asia seeks to unlock geothermal power’s promise
High costs have held this energy source back, but more financing and new tech could unlock its feasibility
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[SINGAPORE] With the Iran war unleashing a global energy crisis, geothermal power is gaining renewed attention, including from South-east Asian countries along the Pacific Ring of Fire.
The volcano-rich region has hydrothermal reservoirs: hot water trapped in porous rock or between fractured rocks. Geothermal projects drill into the ground to harness this heat, either for direct heating or to generate electricity.
Such energy is cleaner than fossil fuels, and more reliable than solar or wind power. But this subterranean source is not easy to unlock.
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