Trades, building and associations
kWp
Abbreviation for kilowatt peak
In short and in plain language
kWp is short for kilowatt peak.
It shows how much power solar panels give in a fixed test.
Outside, the power depends on the sun, the roof and the weather.
Definition
Kilowatt peak is the unit for the rated output of a photovoltaic system under standard test conditions. It allows systems to be compared, but the actual output depends on sunlight, orientation and weather.