Energy Glossary
To make the informed choice, you need to know the lingo. Learn it here.
K
Kilowatt (KW)
A unit of electrical work equivalent to 1,000 watts, 1.3414 horsepower, or .9478 Btu/sec.
Kilowatt-Hour
The most commonly-used unit of measure to explain the amount of electricity consumed over time. It means one kilowatt of electricity supplied for one hour.