The U.S. Energy Department's weekly inventory release showed a slightly smaller-than-expected increase in natural gas supplies, reflecting the commodity's brisk use for power generation. Despite the relatively soft (and below estimate) supply build, the latest injection - the fourteenth in 2012 - has added to already bloated inventories. Gas stocks - currently some 30% above the benchmark five-year average levels - are at their highest point for this time of the year, reflecting low demand amid robust onshore output. This has constantly pressured spot prices that slipped to a 10-year low in April.
While natural gas inventories are no doubt still at elevated levels, injections since late April have been significantly lower than the average for this time, cutting the surplus relative to last year and the five-year average.
About the Weekly Natural Gas Storage Report
The Weekly Natural Gas Storage Report - brought out by the Energy Information Administration (EIA) every Thursday since 2002 - includes updates on natural gas market prices, the latest storage level estimates, recent weather data and other market activities or events.
The report provides an overview of the level of reserves and their movements, thereby helping investors understand the demand/supply dynamics of natural gas.
It is an indicator of current gas prices and volatility that affect businesses of natural gas-weighted companies and related support plays like Anadarko Petroleum Corporation (APC), Chesapeake Energy (CHK), Encana Corporation (ECA), Devon Energy Corporation (DVN), Nabors Industries (NBR), Patterson-UTI Energy (PTEN), Helmerich & Payne (HP) and Halliburton Company (HAL).
Analysis of the Data
Stockpiles held in underground storage in the lower 48 states rose by 62 billion cubic feet (Bcf) for the week ended June 15, 2012, just short of the guidance range (of 63-67 Bcf gain) as per the analysts surveyed by Platts, the energy information arm of McGraw-Hill Companies Inc (MHP).
The increase was also lower than both last year's build of 90 Bcf and the 5-year (2007-2011) average addition of 87 Bcf for the reported week, thereby trimming the surplus relative to the benchmarks.
But in spite of the 'below-average' build during the past week, the current storage level - at 3.006 trillion cubic feet (Tcf) - is still up 680 Bcf (29.2%) from last year and 641 Bcf (27.1%) over the five-year average.
Due to this huge natural gas surplus, inventories in underground storage started to climb since March - weeks earlier than the usual summer stock-building season of April through October. They have persistently exceeded the five-year average since late September last year and are likely to test the nation's underground storage facilities by fall. In fact, the EIA foresees natural gas storage at record highs of 4.02 Tcf by October end.
A supply glut has pressured natural gas prices during the past year or so, as production from dense rock formations (shale) - through novel techniques of horizontal drilling and hydraulic fracturing - remain robust, thereby overwhelming demand.
Natural gas prices have dropped approximately 45% from 2011 peak of $4.92 per million Btu (MMBtu) in June to the current level of around $2.65 (referring to spot prices at the Henry Hub, the benchmark supply point in Louisiana). Incidentally, prices hit a 10-year low of $1.82 during late April.
To make matters worse, near-record mild weather across most of the country curbed natural gas demand for heating all winter, leading to an early beginning for the stock-building season. The grossly oversupplied market continues to pressure commodity prices in the backdrop of sustained strong production.
However, in the recent past (since the week ended April 27 to be precise), repeated smaller-than-average storage builds have rallied back prices to above $2.50 per MMBtu. This can be attributed to strong demand by the utilities, as beaten down prices of natural gas have convinced them to switch to the commodity from the more costly coal.
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