Can you explain what we are looking at here? Why measure energy usage in kilowatt hours? Wouldn’t watts be a more useful way of measuring consumption? For it to

Can you explain what we are looking at here? Why measure energy usage in kilowatt hours? Wouldn’t watts be a more useful way of measuring consumption? For it to make sense to me for something to use X kilowatt hours, you would have to tell me how long it took to consume that much electricity.