Solar panel glossary: kW, kWh, and mWh defined
If you’re doing research into home solar, you may come across some terminology that you’re unfamiliar with. A few common ones are kilowatts and kilowatt-hours. They’re confusing because of the similar names, but they refer to distinct things. Here’s an attempt at some simple explanations. What is a kilowatt? A watt is a measure of electrical power. A kilowatt is equal to 1,000 watts. The abbreviation for kilowatt is kW. (The W is capitalized because it is named after the Scottish inventor James Watt.