What is the difference between kW, kWp and kWh?
kWh (kilowatt-hour) is a measure of electricity use (or generation) over time. A 1kW (kilowatt) load running for 1 hour will use 1kWh of electricity. Similarly, a 1kW generator running for 1 hour will generate 1kWh. Electricity is bought and sold in kWh (often termed “units”). kWp is used solely when expressing the nameplate rating of a PV module or array (see above). The actual instantaneous output of an array is measured in kW and the energy production over time is measured in kWh.
KWp = Kilo Watts Peak
Kwp is used to mesure solar panels or photovoltaic cell capacity of catching energy from the sun. In other words it’s the maximum ammount of energy that the solar panel can catch and convert to electricity.
I made a kwp converter have a look
