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Showing posts from November, 2025

kW vs kWh vs kW/h Explained: Solar Power Guide for Australians

  If you’ve ever opened your power bill or a solar quote and felt lost in a sea of   kW ,   kWh   and even the odd   kW/h , you’re not alone. Even people who work around energy every day sometimes mix them up. For a solar customer in Australia, though, understanding these three little terms is crucial. They affect how big your system should be, how much it can save you, and what you’ll see on your bill once Greenlight Solar has finished the install. Let’s break it down in plain language, with a focus on how this all plays out in real Aussie homes. Power vs energy: the core idea Before worrying about  kW vs kWh solar , it helps to separate  power  from  energy : Power  is  how fast  electricity is being used or produced right now. Energy  is  how much  electricity has been used or produced over time. Competitors like SolarQuotes and Energy Matters both start with this simple distinction because it’s the key that u...