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Lower petrochemical use of propane

Hydrocarbon Engineering,

According to the US Energy Information Administration (EIA), propane demand (measured as product supplied) is expected to be 100 000 bpd lower on average in 2014 compared to 2013 because of reduced demand for petrochemical plants.

In contrast to propane used as a heating fuel in buildings during colder months and as a crop drying fuel during the harvest season, both of which are highly seasonal and weather dependent, petrochemical consumption of propane has relatively little seasonality.

Beginning in mid-2013, higher propane prices reduced demand from petrochemical users. This decline is evident after accounting for the seasonal variation in annual consumption: even though temperatures (as measured by heating degree days) were 9% colder in first quarter 2014 compared to the previous year, propane consumption was 7% lower.

The primary chemical industry use for propane was feedstock for the production of ethylene and propylene, the basic building blocks of plastics. Ethylene producers are sensitive to feedstock prices. During 2013, when propane prices increased relative to ethane prices, ethylene crackers began substituting ethane for propane. This trend continued into 2014, as the price spread between propane and ethane widened.

The EIA does not expect ethylene plants to switch back to propane feedstock in the coming year, as growing ethane supply is expected to continue to lower ethane prices compared with propane. However, several new propane dehydrogenation plants, which use propane to produce polypropylene for chemical and plastic manufacturing, are expected to come online in 2015 – 2015, which should contribute to some growth in propane use in the chemical industry.

Adapted from a press release by Emma McAleavey.

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