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kW-hr

kW-hr

3.7
The amount of energy a 1,000-watt device uses in one hour
  • noun
  • Specialized
translation icon : kW-h
  • One kW-hr is the amount of energy used by a 1,000-watt device running for an hour.

Examples

  • The monthly electricity bill showed a total consumption of 400 kW-hr.

  • Solar panels on the roof generated over 5 kW-hr today.

  • The device consumes 5 kW-hrs of energy daily.

  • Our monthly bill showed a total of 300 kW-hrs used.

  • One kW-hr is the amount of energy used by a 1,000-watt device running for an hour.

  • Solar panels on the roof generated over 5 kW-hr today.

  • The monthly electricity bill showed a total consumption of 400 kW-hr.

Synonyms

kilowatt hour
vskW-hr
  • Specialized
8 3.2

The energy used by a 1,000-watt device in one hour

is commonly used to report amounts of electricity consumption
Board of Trade unit
vskW-hr
  • Archaic
7.1

The energy used by a 1,000-watt machine running for one hour

is the more general term used widely to measure electricity consumption

Surface Forms

kW-hr singular
kW-hrs plural

Morphology

kW-hr = kilowatt + hour (transparent) = kW + hr

The term 'kW-hr' is a clear abbreviation of 'kilowatt-hour', indicating a unit of energy consumption.

Etymology

KW-hr is short for kilowatt-hour, made of kilo- meaning 'thousand', watt (a unit of power named after engineer James Watt), and hour meaning 'time'. So a kW-hr is the energy you get when 1,000 watts run for one hour, which is why it is used to measure electricity on bills.