據油價網6月28日消息：美國天然氣價格上周和周一早盤飆升，原因是天然氣市場吃緊，以及美國許多地區在比往常更熱的天氣下預計電力需求旺盛。

　　截至美國東部時間周一上午8:19，亨利中心的美國天然氣基準價格超過3.50美元/百萬英熱，達到3.549美元，上漲1.52%。這是29個月來即期期貨的最高價格。

　　美國能源情報署(EIA)周四公布，截至6月18日當周，美國能源儲備凈注入量為550億立方英尺，低于分析師的預期。估計中值為620億立方英尺。低于預期的天然氣庫存表明市場趨緊，因為太平洋西北部正處于熱浪中，預計美國許多地區的高溫將持續到7月。

　　EIA周四表示，盡管在熱浪中電力需求激增，截至6月18日，美國的天然氣庫存總量為2482億立方英尺，較上年同期下降17%，較本周的五年平均水平下降6%。

　　去年同期，天然氣儲備凈注入量為1150億立方英尺，是截至6月18日一周的兩倍多。EIA估計，在4月至10月的補充季節，注入儲存庫的平均速度比5年來的平均速度低15%。

　　NatGasWeather.com的數據顯示，在這種供不應求的市場環境下，預計需求將至少持續到7月1日。太平洋西北部的酷熱天氣和西部進入得克薩斯州的高溫高壓使得周末的氣溫達到90到110華氏度，西雅圖和波特蘭的高溫也打破了歷史紀錄。

　　馮娟 摘譯自 油價網

　　原文如下：

　　U.S. Natural Gas Prices Jump To 29-Month High On Extreme Weather

　　U.S. natural gas prices jumped last week and early on Monday amid a tight natural gas market and expectations of high demand for electricity in hotter than usual weather in many parts of the United States.

　　As of 8:19 a.m. EDT on Monday, the U.S. benchmark natural gas price at the Henry Hub was trading at above $3.50 per million British thermal units (MMBtu)—at $3.549, up by 1.52 percent. This was the highest price for the prompt futures in 29 months.

　　On Thursday last week, the Energy Information Administration (EIA) reported net injections into storage of 55 billion cubic feet (Bcf) for the week ending June 18, lower than analysts had expected. The median estimate was 62 Bcf injection into storage of natural gas stocks. The lower-than-expected stockpiles of natural gas signaled a tighter market just as the Pacific Northwest is scorching in a heatwave and high temperatures are expected to continue into July in many parts of the U.S.

　　While power demand is surging in the heat waves, working natural gas stocks totaled 2,482 Bcf in the United States as of June 18, which is 17 percent lower than the year-ago level and 6 percent lower than the five-year average for this week, the EIA said on Thursday.

　　During the same week last year, net injections into gas storage were more than double – 115 Bcf – the injection for the week to June 18. The average rate of injections into storage is 15 percent lower than the five-year average so far in the refill season, April through October, the EIA has estimated.

　　Amid this tight market, demand is expected to stay high at least until July 1, according to NatGasWeather.com. Very hot weather in the Pacific Northwest and hot high pressure in the West into Texas sent temperatures in the high 90s to the 110s in the weekend, including all-time record-breaking heat in Seattle and Portland.

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