Indonesia Launches Innovative Green Hydrogen Pilot Plant in Sumatra

Indonesia's state-backed Pertamina Geothermal Energy (PGE) has commenced construction of a pioneering green hydrogen pilot plant in Ulubelu, Sumatra, aiming to produce 100 kilograms of hydrogen daily using anion exchange membrane electrolysis. With a $3 million investment, this facility is expected to operational by 2026, positioning Indonesia as a key player in the global clean energy supply chain. The project aligns with Indonesia's 2060 net-zero emissions goal, leveraging geothermal energy for sustainable fuel production and supporting downstream applications in low-carbon industries.

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Published Sep 17, 2025

GEOTHERMAL HYDROGEN

In a significant stride towards sustainable energy, Indonesia's Pertamina Geothermal Energy (PGE) has broken ground on an innovative green hydrogen pilot plant at its Ulubelu site in Sumatra. With an investment of $3 million, this facility aims to produce 100 kilograms of green hydrogen daily by 2026, utilizing advanced anion exchange membrane (AEM) electrolysis technology, known for its high efficiency and environmental benefits. This initiative is part of a broader strategy to harness geothermal energy, expanding PGE's role beyond electricity sales and positioning Indonesia within the global clean energy supply chain.

PGE's president director, Julfi Hadi, emphasized the project's potential to transform Ulubelu into an innovation hub for green hydrogen production, which could pave the way for similar initiatives across the region. The integration of geothermal energy with modern electrolysis represents a critical step in Indonesia's energy transition, aligning with national goals to achieve net-zero emissions by 2060. This venture not only addresses the pressing need for eco-friendly fuels but also holds promise for downstream applications, including the production of green ammonia and methanol.

As construction progresses, the stakes are high. Successful data collection on efficiency, hydrogen purity, and cost-effectiveness will determine the commercial viability of green hydrogen at scale. Heavy industries, such as fertilizer and steel production, are keenly observing this development, anticipating a shift from fossil fuels to cleaner alternatives. The insights garnered from the Ulubelu project will be instrumental in shaping policies that could establish Southeast Asia's first national hydrogen market.

With nearly 10 million residents and a thriving industrial base, Lampung province is well-positioned to benefit from local hydrogen production. The strategic location, combined with existing geothermal capabilities, enhances the project's feasibility, promising to make Ulubelu a model for future renewable energy projects.

As PGE pioneers this initiative, it signifies a commitment to a cleaner, sustainable future, with the Ulubelu pilot plant standing as a testament to Indonesia's dedication to innovation in the energy sector. The journey towards a greener tomorrow begins here, where geothermal energy and cutting-edge technology converge to create real-world solutions for the challenges ahead.