I picked up a power / energy meter a couple of years ago, when we put on solar panels, and spent a good couple of weeks putting it inline to various appliances

I picked up a power / energy meter a couple of years ago, when we put on solar panels, and spent a good couple of weeks putting it inline to various appliances to identify peak draw or 24h draw (depending on the type of appliance). They're about AUD$30, and highly informative devices - excellent for answering this kind of question.