What is the difference between a kilowatt and a kilowatt-hour?
The difference between a kilowatt (kW) and kilowatt-hour (kWh) is the most misunderstood topic of understanding electricity and how we measure power and consumption/production. Both concepts are referenced when talking about a photovoltaic solar system and important to understand before buying a solar PV system. kW measure power, it represents the actual electrical size of [...]