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• A British Thermal Unit is a measure of the heating value of a fuel. It is the amount of heat energy required to raise the temperature of one pound of water one degree Fahrenheit.

  FERC - Cite This Source - This Definition
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  Cite Definition for British thermal unit (Btu)

  American Psychological Association (APA)

  British thermal unit (Btu). (n.d.). Guide to Market Oversight Glossary. Retrieved February 8, 2023, from website: http://www.expertglossary.com/definition/british-thermal-unit-btu.

  Chicago Manual of Style (CMS)

  British thermal unit (Btu). www.ferc.gov. Guide to Market Oversight Glossary. FERC. http://www.expertglossary.com/definition/british-thermal-unit-btu (accessed: February 8, 2023).

  Modern Language Association (MLA)

  "British thermal unit (Btu)." Guide to Market Oversight Glossary. FERC. 8 February. 2023 http://www.expertglossary.com/definition/british-thermal-unit-btu.

• Browse Related Terms: British thermal unit (Btu), Cooling degree days (CDD), Gas turbine, Heating degree days (HDD), Injection season, Liquefied natural gas (LNG), Natural Gas, Sendout, Winter heating season

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