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Java–Sumatra Gas Pipeline Network Moves Forward as Indonesia Accelerates National Energy Connectivity
Firda Dwi Muliawati, CNBC Indonesia
29 June 2026 16:45
JAKARTA — Indonesia's Ministry of Energy and Mineral Resources is accelerating the development of its national natural gas transmission network to connect Java and Sumatra, extending the country's integrated gas infrastructure from Java to **Banda Aceh>. The initiative aims to strengthen domestic gas distribution and improve energy security for industrial consumers.
Minister of Energy and Mineral Resources Bahlil Lahadalia said the government is currently prioritizing construction of the Dumai–Sei Mangkei (Dusem) gas transmission pipeline, which will serve as a key link in Indonesia's expanding national gas network.
"The project is currently under construction. Parts of it have already been completed, while the remaining sections are scheduled for completion in 2027. We are building the Dumai–Sei Mangkei pipeline to connect Sumatra with Java," Bahlil said following a press conference at the Indonesian House of Representatives on Monday.
Expanding Pipeline Capacity
In addition to constructing new pipeline segments, the government is also expanding the capacity of existing transmission lines to enable more efficient interregional gas distribution.According to Bahlil, the upgraded network will allow surplus natural gas from one region to be redirected to areas with higher demand.
"We are increasing the pipeline capacity. If there is surplus gas in Sumatra, it can be delivered to Java. Likewise, if East Java has excess supply, it can be transmitted to West Java," he explained.
Nationwide Gas Connectivity by 2027
The integrated transmission network is expected to be fully completed in 2027, creating a continuous gas pipeline system connecting Sumatra and Java.Bahlil also confirmed that construction is underway on the East Java–West Java transmission pipeline to further strengthen domestic gas distribution.
Supporting Future Gas Supply from the Andaman Block
The project builds upon the completion of several strategic pipeline developments.The Cirebon–Semarang Phase 1 (Cisem-1) gas transmission pipeline was completed in 2023 and is currently supplying natural gas to the Batang Integrated Industrial Estate in Central Java.
Meanwhile, Cisem-2 has recently entered operation, enabling gas transportation from East Java to West Java.
Once the Dusem pipeline is completed, the integrated network will also be capable of transporting future gas production from the Andaman Block, one of Indonesia's largest recent offshore natural gas discoveries.
According to CNBC Indonesia, the Dumai–Sei Mangkei pipeline carries an estimated investment value of Rp6.6 trillion and is designed to transport natural gas from the Agung and Andaman working areas in Aceh to industrial consumers across Sumatra and Java, significantly enhancing Indonesia's long-term energy security and industrial competitiveness.
Pipa Gas Jawa-Sumatra Bakal Tersambung, Ini Progresnya
Pipa gas Jawa-Sumatra bakal tersambung
www.cnbcindonesia.com
