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K

kA

kilo-amperes

KfW

Kreditanstalt für Wiederaufbau

kHz

kilohertz

kilovolt

kV - 1,000 volts. Usually used in connection with medium-voltage and high-voltage transmission lines.

kilowatt

kW - unit electrical power equal to 1,000 watts. 1 kW = 3,413 Btu/hr = 1,341 horsepower.

kilowatt peak

kWp - nominal power output of a PV array under standard test conditions.

kilowatt-hour

kWh - 1,000 watt-hours. Power multiplied by time. The most commonly-used unit of electrical energy, consumed or produced. 1 kWh means 1 kW of electricity supplied/prodcued for 1 hour.

kinetic energy

The energy an object possesses due to its motion

Kreditanstalt für Wiederaufbau

German Cooperation Agency

Kt

clearness index

kV

kilovolt

kW

kilowatt

kWh

kilowatt-hour

kWh/m2a

kilowatt hour per square metre per Annum

kWhel

kilowatt hour (electric)

kWp

kilowatt peak