IEEE/ASTM SI 10-1997 3.3.2.5 Energy "The SI unit of energy , the joule, together with its multiples and submultiples, is preferred for all applications. The kilowatthour is widely used as a measure of electric energy. This unit should not be introduced into any new fields, and eventually it should be replaced. The unit to use is the megajoule. Duncan -----Original Message----- From: Joseph B. Reid <[EMAIL PROTECTED]> To: U.S. Metric Association <[EMAIL PROTECTED]> Date: December 8, 2000 20:41 Subject: [USMA:9643] New gas meters >Dennis Brownridge in USMA 9639 disapproved of utility billing by the >kilowatt-hour. > >>This is bad news. Instead of modernizing to SI, they have simply switched >>from one antiquated non-SI unit to another. > > >In general I favor SI units. However, I think the kilowatt-hour is more >meaningful to the consumer than the kilojoule or the megajoule simply >because one can more easily recall the duration of most activities in hours >rather than seconds. It is tedious to divide kilojoules by 3600 to get >kilowatt-hours. >
