I bought one of these things that you plug into the socket then plug the device into that to measure the energy usage and went round the house testing all the devices. I was able to see where about 16kwh went on things that are on all day. The American style fridge freezer used the most at 2kwh per day, another 2 for the drinks fridge and the freezer. Nearly 2kw for the pond filter, 2.7kw on 3 computers with ancillaries, 1.5kw on the air purifiers and then lots of small amounts. Only about 8kw was actually on things that we consciously turn on/off like lights, tv, washing machine, cooker etc.
On the days I charge my car our usage can be over 100kwh in just 1 day, thankfully that’s only once or twice a month!
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