Brahma Chellaney, Taipei Times
What began on Feb. 28 as a military campaign against Iran quickly became the largest energy-supply disruption in modern times. Unlike the oil crises of the 1970s, which stemmed from producer-led embargoes, US President Donald Trump is the first leader in modern history to trigger a cascading global energy crisis through direct military action.
In the process, Trump has also laid bare Taiwan’s strategic and economic fragilities, offering Beijing a real-time tutorial in how to exploit them.
Repairing the damage to Persian Gulf oil and gas infrastructure could take years, suggesting that elevated energy prices are likely to persist. But the most consequential fallout of the Iran conflict may be unfolding thousands of kilometers away from the Middle East — in Taiwan itself.
For Taipei, the war has been not a distant geopolitical crisis, but a stress test of its economic model, energy security and, most importantly, its faith in American strategic reliability. That test is exposing a stark reality: Taiwan’s vulnerabilities are no longer hypothetical; they are being exposed in real time.
Taiwan’s economic miracle has long rested on the assumption of stable, affordable and uninterrupted energy imports. That assumption is now unraveling, as the Iran conflict accelerates a shift toward a more fragmented, volatile global order in which energy is politicized and supply chains are contested.
For an economy that imports roughly 97 percent of its energy, the implications are existential.
Taiwan’s growing reliance on liquefied natural gas (LNG) — now nearly half of its power mix — has created a system optimized for efficiency, not resilience. LNG is difficult to store, and Taiwan maintains only about 11 days of reserves. In normal times, this “just-in-time” model functioned adequately; in crisis conditions, it becomes a glaring liability.
As summer nears and electricity demand surges, the risk of power shortages looms large. For an economy anchored in high-energy industries such as semiconductor manufacturing, even short disruptions can have outsized consequences.
Taiwan’s dominance in semiconductors, long viewed as its “silicon shield,” is increasingly turning into a double-edged sword.
High energy prices are eroding the cost advantages that made Taiwan indispensable to global supply chains. If electricity costs remain structurally elevated, profit margins in energy-intensive fabrication plants will narrow sharply, accelerating the relocation of production to the United States, Japan and Europe.
At the same time, global supply chain disruptions — including higher shipping costs, delays and insurance premiums — are compounding the pressure. Even as Taiwan remains central to advanced chip production, the ecosystem around it is becoming more fragile.
The unpalatable truth is that Taiwan’s economic strength is now directly and acutely exposed to geopolitical shocks far beyond its control.
More troubling for Taipei than the economic fallout, however, is the strategic signal the conflict has sent.
The US has long been Taiwan’s ultimate security guarantor. But the Iran conflict has stretched American military and political bandwidth to its limits. US attention has shifted, and military resources have been diverted from Asia. In geopolitics, distraction can be as dangerous as decline.
For Taipei, the concern is not just that Washington is again mired in Middle Eastern conflict, but that it may emerge weaker from an unnecessary war.
As Trump prepares for a high-stakes visit to Beijing, fears are growing that Taiwan could become a bargaining chip in a broader US-China negotiation. In a transactional framework, issues such as arms sales, military signaling or even core commitments could be quietly adjusted in exchange for Chinese cooperation on trade or Iran.
Even subtle shifts in language carry strategic weight when they introduce ambiguity where clarity once existed.
If Taiwan is under pressure, China is watching closely — and learning.
For Beijing, the Iran conflict has been a live laboratory. For the first time, Chinese planners can observe how a highly developed, trade-dependent economy like Taiwan responds to a sudden, externally induced shock to energy supplies and maritime flows. Given that China has long studied blockade scenarios against Taiwan, this offers invaluable real-world data.
Several insights are already emerging.
First, the crisis reveals the tempo of vulnerability. Taiwan’s limited LNG reserves highlight how quickly energy stress can cascade into industrial disruption. Beijing can now model, with far greater precision, how long it would take before rolling blackouts begin, which sectors would be hit first and how economic pain might translate into political pressure.
Second, it exposes sectoral choke points. The disproportionate impact of energy shortages on semiconductor fabrication, data centers and high-end manufacturing underscores how a narrow set of industries underpins Taiwan’s economic model. From Beijing’s perspective, this suggests that targeted disruption — rather than a comprehensive blockade — could yield outsized effects.
Third, the crisis illuminates maritime and insurance dynamics. The spike in shipping costs, insurance premiums and risk aversion following instability in the Persian Gulf shows how quickly commercial actors retreat from perceived danger zones. China may conclude that it need not physically seal off Taiwan to achieve economic isolation; sustaining a climate of risk may be enough to deter shipping and drive costs to prohibitive levels.
Fourth, Beijing is gaining insight into societal and political thresholds. Energy rationing debates, industrial lobbying and public anxiety offer clues about how resilient Taiwan’s society is under sustained pressure. This is critical for calibrating gray-zone tactics and identifying the point at which pressure generates leverage without triggering outright conflict.
Finally, the war is clarifying a hard truth about external intervention: it is inherently constrained. What Beijing is learning is that timing can redistribute those constraints. If Washington’s attention and resources are tied down elsewhere, it may be slower, more cautious and less willing to escalate in the Taiwan Strait, creating greater space for calibrated Chinese pressure.
Taken together, these lessons may point toward a more refined strategy. Rather than a high-risk invasion, Beijing could prioritize a spectrum of coercive tools — maritime quarantine, selective interdiction, cyber disruption and economic pressure — designed to exploit precisely the vulnerabilities now being revealed. China does not need to act dramatically to shift the balance. Incrementally rising pressure may suffice, especially if the US margin for rapid response in the Indo-Pacific remains constrained.In that sense, Trump’s Iran war is not just reshaping global energy markets; it may be quietly influencing China’s playbook for a future crisis over Taiwan.
Brahma Chellaney, professor of strategic studies at the independent Center for Policy Research in New Delhi, is the author of nine books, including the award-winning Water: Asia’s New Battleground (Georgetown University Press).