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The Btu should not be confused with the Board of Trade Unit (BTU), an obsolete UK synonym for kilowatt hour (1 kW⋅h or 3,412 Btu). The Btu is often used to express the conversion-efficiency of heat into electrical energy in power plants. Figures are quoted in terms of the quantity of heat in Btu required to generate 1 kW⋅h of electrical energy.
One therm is the energy content of approximately 100 cubic feet (2.83 cubic metres) of natural gas at standard temperature and pressure. However, the BTU is not standardised worldwide, with slightly different values in the EU, UK, and United States, meaning that the energy content of the therm also varies by territory.
[1] Compressed natural gas (CNG), for example, is a gas rather than a liquid. It can be measured by its volume in standard cubic feet (ft 3) at atmospheric conditions, by its weight in pounds (lb), or by its energy content in joules (J), British thermal units (BTU), or kilowatt-hours (kW·h). CNG sold at filling stations in the US is priced in ...
This gas is composed almost entirely of CO and H 2, and burns with a pale blue flame similar to natural gas. BWG has a calorific value of 11 MJ/m 3 (300 BTU/cu ft). Blue water gas lacked illuminants; it would not burn with a luminous flame in a simple fishtail gas jet as existed prior to the invention of the gas mantle in the 1890s. Various ...
British thermal unit: Btu Btu 1.0 Btu (1.1 kJ) BTU BTU million British thermal units: MMBtu MMBtu 1.0 MMBtu (1.1 GJ) e6BTU BTU British thermal unit (IT) Btu-IT Btu IT ...
A gigajoule (GJ) is a measure approximately equal to 80 litres (0.5 barrels) of oil, or 28 m 3 or 1,000 cu ft or 1 million BTUs of gas. The energy content of gas supply in Canada can vary from 37 to 43 MJ/m 3 (990 to 1,150 BTU/cu ft) depending on gas supply and processing between the wellhead and the customer.
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Natural gas prices 2000 - May 23, 2022 Comparison of natural gas prices in Japan, United Kingdom, and United States, 2007-2011 Natural gas prices at the Henry Hub in US Dollars per million Btu for the 2000-2010 decade. Price per million BTU of oil and natural gas in the US, 1998-2015