Goldman Sachs Exchanges
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Natural Gas in Focus: Iran Conflict Could Have ‘Very Painful’ Consequences

While oil dominates headlines amid the Iran conflict, an equally unsettling story is playing out in natural gas markets that may pose an even greater threat. In this episode of Goldman Sachs Exchanges, Samantha Dart, co-head of Global Commodities Research, explains why the length of the Iran conflic

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Executive Summary: The episode argues that the Iran conflict’s biggest economic risk may be in natural gas, not oil: LNG markets are seasonally tight, storage must be rebuilt before winter, and Qatar’s disrupted supply creates a potentially prolonged shock. While prices have risen, the move has been smaller than expected, leaving the market vulnerable to a sharper repricing if disruptions last and demand destruction becomes necessary.

Main Topics: Why natural gas is uniquely vulnerable to geopolitical shocks (Priority: 5/5): Sam Dart explains that gas demand is highly seasonal, especially for winter heating, and relies on storage refill during spring and summer. That makes supply disruptions more dangerous than in many other commodities because the market has a fixed deadline before winter. Qatar LNG disruption and infrastructure damage (Priority: 5/5): The transcript says attacks on Qatari LNG infrastructure have disrupted about 20% of global LNG supply, with some facilities damaged long term. Even if shipping through the Strait of Hormuz resumes, full recovery may take years if liquefaction trains must be rebuilt. Market response and why prices have not risen enough (Priority: 4/5): Gas prices have already risen materially, but Dart says the rally is smaller than she expected for a shock of this size. Prices are only high enough to incentivize switching from gas to coal, not broad demand destruction or fuel switching into oil products. Fuel switching and demand destruction (Priority: 4/5): A central theme is substitution: utilities can switch between natural gas, coal, and in some cases oil products, depending on relative prices. Higher gas prices can reduce industrial output, especially in Asia, and alter power-generation choices in Europe. How quickly supply could return versus what remains uncertain (Priority: 5/5): Qatar could restart some production in weeks if shutdowns were temporary, but the damaged liquefaction trains may require 3-5 years to replace. The real uncertainty is whether hidden damage or logistical bottlenecks extend the outage. Europe’s winter risk and scenario range (Priority: 5/5): Europe is less immediately strained because China has released cargoes into the market, but the situation remains highly duration-dependent. If disruptions persist, Europe could face a painful need for demand destruction before winter, echoing the 2022 gas crisis.

Key Arguments: Natural gas is more vulnerable than oil in this conflict because its market depends on seasonal storage replenishment before winter, creating a hard deadline. Qatar’s disruption matters disproportionately because it accounts for roughly one-fifth of global LNG supply and has likely suffered long-term infrastructure damage. Prices have risen 50%-70%, but that is still not high enough to force substantial industrial shutdowns or broader fuel switching beyond coal substitution. The U.S. is the largest LNG exporter but cannot offset the shock because it lacks spare liquefaction capacity; what is already built is effectively all that is available. China’s weak demand and cargo re-sales have temporarily eased European balances, but that relief may not last if the disruption continues. The key determinant of outcomes is duration: a short outage may be manageable, while a prolonged one could require much higher prices and severe demand destruction. If the market remains too complacent now, it could become dangerously tight as winter approaches, when rebuilding storage becomes much harder.

Data Points: Qatar share of global LNG supply: about 20% - Qatar’s production is described as roughly one-fifth of global LNG supply in 2025. Current disruption to Qatar LNG supply: 20% of global LNG supplies disrupted - The episode states Qatari LNG capacity is shut down following attacks. Price increase in natural gas: 50%-70% - The speaker says gas prices have already risen by this amount depending on the day. Potential recovery time for damaged liquefaction trains: 3 to 5 years - Qatar reportedly said restoring full capacity could take several years due to severe damage. Restart time for fully shut production site: 2 to 3 weeks - If the issue is only a full shutdown and not structural damage, restart could take weeks. U.S. share of global LNG supply: about 30% - The U.S. is identified as the world’s largest LNG exporter, responsible for roughly 30%. Potential balance-of-year LNG supply damage if disruption resolves soon: 5%-6% - If resolved in a few weeks, the remaining-year supply loss is estimated at this level. Potential upside to gas prices from current levels: 50%-100% - If the conflict drags on, prices may need to rise this much to force enough demand destruction. Approximate gas price relative to coal: just above coal - Current prices are said to be high enough to make gas more expensive than coal, but not much else. Time window for rebuilding storage: April to October - This is the period when inventories must be rebuilt ahead of winter heating demand. Heating season window: November to March - The transcript uses this period to explain the inventory drawdown cycle.

Pivotal Quotes: "I would have expected natural gas would maybe become more expensive than some oil products like propane or fuel oil to incentivize additional switching or also to incentivize additional industrial shutdowns in Asia." — Samantha Dart: Explaining why the market response has been weaker than expected after the LNG shock. "When they say three to five years, it doesn't take three years to fix anything. What they're really saying is these two liquefaction trains were so damaged that we need to start over." — Samantha Dart: Describing the severity of damage to Qatari LNG infrastructure. "If this thing drags longer, it will require more demand destruction to fix inventories before we get to next winter." — Samantha Dart: Summarizing the winter-risk scenario if the disruption persists.

Implications: Natural gas, especially LNG, may become the bigger crisis than oil if the conflict persists. Europe and Asia could face higher power and heating costs, industrial slowdowns, and a late-year scramble to rebuild storage, with prices potentially needing to rise sharply to balance supply and demand.

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