When you get your electricity bill, the chances are high that you look at the total cost first. Most likely, you stop at that and don’t bother examining the number of kilowatt-hours (kWh) you’ve consumed. Maybe you don’t even know what those numbers mean and what’s the difference between a kW and a kWh. Well, you’re not alone. Many people, including some who work in the energy industry, don’t know what a kilowatt is (kW) is, more so how it differs from kilowatt-hours(kWh). Some think the two are the same. They’re not. If you want to get a grasp of where your utility bases the amount you pay for your energy bills, this article might be of help.