Tech

Subsea Cables 101: Indonesia in Focus

Publication
April 13, 2026

In this brief, Mandala breaks down the fundamentals of subsea cable infrastructure, maps out current projects and key stakeholders shaping Indonesia's SKKL landscape, and examines the geopolitical dimensions that make these cables more than just wires on the ocean floor.


Without subsea cables, Indonesia's digital ambitions remain incomplete.

As the physical arteries of global internet connectivity, these underwater networks, also known as Sistem Komunikasi Kabel Laut (SKKL), carry over 95% of intercontinental data traffic. For an archipelagic nation like Indonesia, they are essential not only for international links but for binding the country's far-flung regions together.

In this brief, Mandala breaks down the fundamentals of subsea cable infrastructure, maps out current projects and key stakeholders shaping Indonesia's SKKL landscape, and examines the geopolitical dimensions that make these cables more than just wires on the ocean floor. Read below


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The purpose of this document is to provide general information about Subsea Cables 101: Indonesia in Focus. The contents of this document should not be construed as specific recommendations or advice. For questions about the contents of this document, please contact Mandala Consulting. The information in this article is accurate as of the publication date. However, due to the rapidly changing nature of the law in Indonesia, the accuracy of the information will be limited.

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