# Power: Difference between revisions

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Power is the ''rate'' of doing work or producing or expending [[energy]]. Electrical power is measured in watts (W). A kilowatt (kW) is 1,000 watts. A megawatt (MW) is 1,000,000 watts. In relation to other sources of power, 1 W is equal to 1 joule (J) per second. | Power is the ''rate'' of doing work or producing or expending [[energy]]. Electrical power is measured in watts (W). A kilowatt (kW) is 1,000 watts. A megawatt (MW) is 1,000,000 watts. A gigawatt (GW) is 1 billion (10<sup>9</sup>) watts. In relation to other sources of power, 1 W is equal to 1 joule (J) per second. |

## Latest revision as of 12:42, 10 August 2017

Power is the *rate* of doing work or producing or expending energy. Electrical power is measured in watts (W). A kilowatt (kW) is 1,000 watts. A megawatt (MW) is 1,000,000 watts. A gigawatt (GW) is 1 billion (10^{9}) watts. In relation to other sources of power, 1 W is equal to 1 joule (J) per second.