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Java no longer has power oversupply, ministry says

Java no longer experiences an electricity oversupply, an Energy and Mineral Resources Ministry official said, urging immediate development of new energy sources, especially renewables, to meet rising demand.

Divya Karyza (The Jakarta Post)
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Fri, June 20, 2025 Published on Jun. 19, 2025 Published on 2025-06-19T13:14:37+07:00

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Java no longer has power oversupply, ministry says Officials clean the surface of solar panel installed on top of Gedhe Market in Klaten regency, Central Java on Dec. 6, 2023. The rooftop solar panel on the traditional market has a capacity of 207 kilowatt-peak (kWp) and is claimed of reducing the on-grid electricity usage by 40 percent. (Antara/Aloysius Jarot Nugroho)

J

ava no longer experiences an electricity oversupply, an Energy and Mineral Resources Ministry official has said, urging an immediate development of new energy sources, especially renewables, to meet rising demand.

Eniya Listiani Dewi, the ministry’s director general of new and renewable energy, said Java’s electricity supply status has been at a “yellow light” level for the past two years, indicating limited availability.

This indicates a reversal from years of producing more power than the island can consume, a trend that persisted following former president Joko "Jokowi" Widodo's drive to add 35,000 megawatts (MW) of electrical supply over the past decade. 

“Don’t think that Java’s electricity is still experiencing oversupply. Energy demand is rising, especially as the economy recovers post-COVID-19,” Eniya said during a discussion in Jakarta on Wednesday, as reported by Antara.

Read also: New ‘green’ RUPTL risks sidelining, rather than empowering renewables

To meet future needs, the ministry is prioritizing the development of new energy infrastructure in Java. One possible solution is to extend transmission lines from Sumatra, which still has surplus capacity as well as large potential of renewable sources.

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Elsewhere, some parts of Sulawesi Island are facing an energy shortage. While North Sulawesi has a surplus of renewable energy, the industrial centers, such as smelters and mining operations, are located in central regions like Morowali. Lack of transmission infrastructure is preventing the transfer of power to where it is most needed.

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