As global demand for liquefied natural gas (LNG) continues to grow, the international market is increasingly reliant on just two dominant exporters: the United States and Qatar. This duopoly has raised concerns about supply vulnerabilities, which were brought into sharp focus in February when geopolitical tensions in the Persian Gulf severely disrupted Qatari LNG exports.

Iran’s blockade of the Strait of Hormuz, through which Qatar ships nearly all of its LNG, combined with subsequent Iranian attacks on the Ras Laffan LNG hub, dealt a significant blow to global LNG supply. The assault has caused damage at Ras Laffan expected to take years to repair, immediately removing roughly 20% of the world’s LNG from the market. This disruption sent gas prices soaring across Asia, a region that depends heavily on Qatar’s exports. Countries including Pakistan, Bangladesh, India, Singapore, and Taiwan receive a substantial majority of their LNG from Qatar, leaving them acutely exposed to the supply shortfall.

Japan, the world’s largest LNG importer after China, had long been aware of the risks associated with this market concentration. Industry officials had expressed concern for years that reliance on just two major suppliers could create strategic vulnerabilities. Analysts note that the energy sector typically encounters major supply disruptions about once every decade, and the narrowing of the LNG market has amplified these risks.

Qatar’s rise as a leading LNG supplier dates back to the early 1990s when a pivotal agreement with Japan’s Chubu Electric enabled Qatar to develop the infrastructure necessary for large-scale LNG exports. This enabled the country, which sits atop the world’s largest natural gas field, to become the world’s top LNG exporter by 2006. Qatar’s LNG exports fueled robust domestic economic growth and helped position it as an essential energy partner, particularly for Asian markets.

Meanwhile, the United States transformed from a potential LNG importer to a leading exporter following breakthroughs in hydraulic fracturing and horizontal drilling technologies starting around 2008. These advances unlocked vast shale gas reserves, facilitating LNG export growth from facilities along the Gulf Coast. By 2023, the U.S. overtook Qatar as the world’s top LNG exporter, cementing the duopoly as other producers, such as Russia and Australia, faced setbacks from sanctions and regulatory challenges.

Both nations had anticipated robust expansion through the 2020s, with Qatar aiming to nearly double its capacity and the U.S. projecting a more than twofold increase by 2029. This placed them in control of roughly half the world’s LNG supply—a dynamic that had increasingly unsettled importers worried about geopolitical leverage and supply security.

The recent disruption of Qatari exports has intensified those concerns. Countries like Pakistan have experienced widespread power outages, while India and Vietnam have implemented gas rationing, reverting to coal-fired power in some cases. Wealthier nations such as Singapore have adopted stringent energy conservation measures.

U.S. officials have sought to position themselves as a reliable alternative amid the crisis. At a March forum in Tokyo, U.S. Interior Secretary Doug Burgum emphasized America’s capacity to supply energy across the Pacific, noting that buyers now have limited options. However, industry experts caution that U.S. LNG expansion will not compensate fully for short-term losses from Qatar. The outlook suggests continued supply tightness in Asia for years, with some analysts predicting increased involvement from producers in Australia, Norway, and Canada to diversify markets.

While Qatari LNG production is expected to recover eventually, the immediate impact heralds a shift from a balanced duopoly toward U.S. dominance in global LNG exports. This evolution raises apprehensions among importers about potential political pressures tied to increased reliance on American supplies, highlighting ongoing challenges in securing stable and diverse LNG sources worldwide.