The abbreviation kWp stands for kilowatt-peak, which describes the maximum power output a solar system can deliver under ideal laboratory conditions: 1,000 watts of sunlight per square meter at a cell temperature of 25 °C. You can think of it as the horsepower rating of your solar. While the kWh tells you how much electricity your system generates, the kWp tells you how high its output is. Combined, the two values stand for the PV yield you can expect. What does "peak" mean? Which is better - STC or NOCT? The unit of measurement for your PV yield is the kilowatt hour. It's a. Robert Reinbrech, a solar expert at Fronius International, gives us a run-through of the abbreviations: “ The abbreviation 'kW' is a common unit for measuring power. It's a measure of power, not energy over time. For example, PV modules with better.
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