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What is the difference between kW and kVA ratings on generators?

 What is the difference between kW and kVA ratings on generators?

kW (kilowatts) is the real usable (active) power the generator delivers. kVA (kilovolt-amps) is the apparent maximum load including both active and reactive components. Because generators have efficiency losses, kW is typically a portion (e.g. 0.8 power factor) of the kVA rating.
What is the difference between kW and kVA ratings on generators?

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