Geothermal-powered green hydrogen pilot using AEM electrolyser begins construction in Indonesia

State-owned energy giant Pertamina sees project as stepping stone to producing green ammonia and methanol in future

The ground-breaking ceremony marking the start of construction of the Ulubelu green hydrogen project in Indonesia.
The ground-breaking ceremony marking the start of construction of the Ulubelu green hydrogen project in Indonesia.Photo: PT Pertamina Geothermal Energy
Published 10 September 2025, 14:09Updated 10 September 2025, 14:09
Green H2GeothermalAEM electrolysersIndonesiaAsia