Taiwan

A dense but concentrated cable footprint

Taiwan is served by a substantial number of submarine cable systems, with the active roster including APC, FASTER, GPT, HONTAI-2, JNAC, NACS, New Cross Pacific Cable System, TAIGU, TAILU, TPE2 and Trans-Pacific Express (TPE). The China-US Cable Network (CUCN), which entered service in 1999 with a notably short 30-kilometre run, has since been retired. The Pacific Light Cable Network remains in a planned state. That combination — eleven active systems, one planned, one retired — points to a connectivity market that has attracted sustained investment over multiple cable generations.

Routes and landing points

The documented landing points include Fangshan and Pingtung on Taiwan's southern coastline, reflecting a geographic preference for landing infrastructure away from the more exposed and heavily developed northern coast. Onward connectivity extends to Japan and to the United States via the Pacific, with Oregon recorded as a terminus for at least one system. These routes align with Taiwan's primary trade and data-traffic corridors: trans-Pacific capacity toward North America, and shorter regional links threading through Japan and the broader East Asian network.

What the cable mix implies for resilience

A double-digit count of active cable systems offers a degree of redundancy that many comparably sized economies cannot match. If a single system is cut or degraded — whether by a ship anchor, seismic activity, or scheduled maintenance — traffic can, in principle, be redistributed across the remaining cables. The presence of both long-haul trans-Pacific systems such as FASTER and New Cross Pacific, and shorter regional cables, means Taiwan has routes operating across different physical corridors rather than a single bottleneck path.

That said, the concentration of landing infrastructure at a limited number of coastal sites introduces a different category of risk. Multiple cables making landfall at or near the same physical location share exposure to localised events. The documented landings at Fangshan and Pingtung suggest some geographic spread along the southern coast, but the full picture of landing-point diversity across all eleven active systems is not yet complete in this register.

Geography as a structural factor

Taiwan's island geography makes submarine cables the only practical medium for high-capacity international connectivity. There is no terrestrial cross-border option. This gives the submarine cable network a structural importance that goes beyond commercial bandwidth; it is the sole conduit for the island's integration into global data infrastructure. The depth and diversity of the current cable roster reflect decades of recognition, by both carriers and consortium partners, that Taiwan's connectivity cannot afford a thin margin.