Mongabay · Climate & nature

Indonesia's Geothermal Project Faces Local Opposition

Plans for a geothermal power project at Mount Ungaran face renewed local opposition due to concerns over environmental and livelihood impacts.

The government seeks to expand geothermal energy, authorizing exploration at Mount Ungaran with a target of 2031 for electricity generation. Residents fear impacts on water, farming, and cultural heritage.

Local opposition, ongoing since 2008, highlights risks to water sources and agriculture. Concerns include potential pollution, water depletion, seismic activity, and toxic gas exposure.

Indonesia has vast geothermal potential (23.2 GW) but has tapped little (2.78 GW). Ungaran's exploration phase runs until 2029, with drilling planned for late 2028/early 2029.

Estimates of Ungaran's potential vary significantly, from the ministry's 55 MW to lower figures around 20-22.6 MW, raising questions about economic viability.

Critics cite differing estimates and limited public consultation, arguing insufficient information is shared with affected communities.

The area includes the culturally significant Gedong Songo temple complex, which residents aim to protect. Past geothermal projects have faced similar disputes.

The government aims to boost geothermal capacity, but critics warn that financial incentives might overlook local risks, potentially increasing electricity costs.

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