This is the 12442nd most frequent Russian word.
киловатт
Kilowatt: a unit of power equal to 1,000 watts.
The word "киловатт" is used as the unit of measurement indicating the amount of energy consumption.
Этот двигатель потребляет 15 киловатт энергии.
This motor consumes 15 kilowatts of energy.
Here, "киловатт" describes a measure of power capability provided by the generator.
Выходная мощность генератора составляет один киловатт.
The generator's output power is one kilowatt.
In this context, "киловатт" indicates the needed energy capacity to start the machine.