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  2. List of energy abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_energy_abbreviations

    BTU—British thermal unit(s) BTU—Board of Trade unit (1 kWh) (UK historical) BTX—from BTX process, a mixture of benzene, toluene, and xylene (oil) BuRec—United States Bureau of Reclamation (government) BWR—Boiling water reactor (nuclear)

  3. Horsepower - Wikipedia

    en.wikipedia.org/wiki/Horsepower

    Two common definitions used today are the imperial horsepower as in "hp" or "bhp" which is about 745.7 watts, and the metric horsepower as in "cv" or "PS" which is approximately 735.5 watts. The electric horsepower "hpE" is exactly 746 watts, while the boiler horsepower is 9809.5 or 9811 watts, depending on the exact year. [clarification needed]

  4. Metrication in the United States - Wikipedia

    en.wikipedia.org/wiki/Metrication_in_the_United...

    Heating, cooling, and combustion are often measured in BTUs per hour or refrigeration tons, and powerplant efficiency is often measured by its "heat rate", in BTU per kilowatt hour. The rated power of engines , electric motors , and power plant steam turbines is frequently measured in horsepower .