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US benchmark gas price hits winter peak on cold

  • Spanish Market: Natural gas
  • 22/02/21

Spot natural gas prices at the Henry Hub hit a 2020-21 winter peak last week as extreme cold across the southern US curbed gas production and boosted heating demand.

The Henry Hub index on 17 February rose to $23.91/mmBtu, the highest since Argus began publishing the US benchmark price in October 2009. Prices have fallen sharply since reaching that high, declining on 18 February to $7.43/mmBtu. But the index was still 25pc higher than a week earlier and well above last winter's peak of $2.84/mmBtu.

Extreme cold last week led to widespread weather-related shut-ins. These so-called freeze-offs occur when water in the gas stream freezes, causing wellheads to ice up.

Freeze-offs limited gas output from the Permian basin of west Texas and southeastern New Mexico, the Cana-Woodford shale in Oklahoma and the Denver-Julesburg formation in Colorado, cutting output as of 16 February by 6.3 Bcf/d (178mn m³/d), according to the US Department of Energy. That decline represents a 30pc drop in gas production from the south-central US, a key supply region, and represents a 7pc decline in US output.

Analysts with BTU Analytics put the total weather-related shut-ins across Texas, the midcontinent and Louisiana at a minimum of 12 Bcf/d. The combination of peak heating demand and limited production sent prices across the Gulf coast and midcontinent to all-time highs. Prices at the Houston Ship Channel last week peaked at $400/mmBtu.

Inventories last week may have fallen by more than 300 Bcf, among the largest weekly declines on record, because of the spike in heating needs. The US Energy Information Administration (EIA) is scheduled to release that withdrawal data on 25 February. The EIA's inventory reports provide the US gas market's best weekly indicator of the balance between supply and demand.

The large draw would take US gas inventories below the five-year-average levels for the first time since 2019. Those lower inventories could provide additional support for gas prices this spring, when weather-related gas demand goes slack and injections into storage resume, according to analysts with Tudor Pickering Holt.


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