What is a watt? What is a watt-hour? And what's the difference?
Tableau de conversion en watt - Prof Innovant
Sunrun on Twitter: "Sunrun hit a huge milestone! We surpassed 1 GIGAWATT of cumulative #solar installs! But just how much is a #gigawatt exactly? https://t.co/3qqZzIZOk2" / Twitter