US butane exports set three consecutive record highs this spring, rising from 661 Mb/d in March to 815 Mb/d in April and 893 Mb/d in May. That’s a 35% increase in just two months, with India emerging as one of the largest sources of incremental demand.
India’s pull on butane is not simply a temporary response to disrupted supply. It is also rooted in the physical characteristics of its LPG market.
India relies heavily on LPG for residential cooking, with propane and butane blended together to meet local specifications. In warmer climates, butane becomes particularly valuable because its boiling point is much higher than propane, at roughly 31° F vs -44° F for propane. That gives butane a lower vapor pressure at a given temperature and makes it well suited for storage, transportation and use in hot climates.
The broader rule of thumb is simple: Warmer LPG markets tend to favor more butane, while colder markets require more propane to maintain adequate vaporization.
Butane also contains more energy density than propane, supporting the steady flame characteristics valued in residential cooking. More importantly, India’s existing LPG storage, distribution and cylinder infrastructure is already designed around a relatively butane-rich LPG mix.
East Daley Analytics models the US butane market in the NGL Purity Product Forecast. In our view, the current shift in trade flows is more significant than a temporary supply disruption.
We expect India’s demand for US butane to remain elevated even if Persian Gulf supply normalizes. Recent disruptions have highlighted the concentration risk associated with relying heavily on Middle Eastern supply, accelerating efforts by major consuming countries to diversify toward the US Gulf Coast.
Reuters has reported that India plans to source roughly one-quarter of its LPG imports from the US in 2027. If realized, that represents a structural change in the Atlantic Basin LPG trade, rather than a short-lived response to geopolitical disruption.
The implication for US butane is significant. The US Gulf Coast is increasingly becoming a strategic source of supply diversification for India, creating a durable new demand pull supported by climate, infrastructure and energy security. – Julian Renton.
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